Page 1
Illustrated Parts Manual
Printed In USA
Self-Propelled Mowers
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Form No. 769-10299
(October 20, 2014)
Page 2
To The Owner
Thank You
Thank you for purchasing an MTD Lawn Mower. It was carefully
engineered to provide excellent performance when properly
operated and maintained.
All information in this manual is relative to the most recent
product information available at the time of printing. Please be
aware that this Illustrated Part’s Manual may cover a range of
product specifications for various models.
Table of Contents
Model Series 12A-AOX ............................................. 4
Model Series 12A-A1X .............................................. 6
Model Series 12A-B2X ............................................. 8
Model Series 12AV/GB2X ........................................10
Model Series 12AVC6X............................................14
Components listed and/or illustrated in this manual may not be
applicable to all models. We reserve the right to change product
specifications, designs and equipment without notice and
without incurring obligation.
Throughout this manual, all references to right (RH) and left (LH)
are observed from the operating position.
Model Series 12AKD3X ...........................................16
Model Series 12ABD2X ...........................................18
Engine Model 5X65RU ........................................... 20
Engine Model 6X65RU........................................... 30
Record Product Information
To ease in ordering replacement parts, please locate the model
plate on the equipment and record the information in the
provided area to the right. You can locate the model plate by
looking beneath the seat.
Model NuMber
Serial NuMber
Painted Parts
When ordering painted service parts, a four digit color suffix must be added to the part number (e.g. 783-XXXXX-0637).
Please refer to the table below for current color codes:
0637 Black
0709 Dark Green (Bolens, Yard-Man)
0662 Oyster Gray (MTD Gold)
0638 Red (Yard Machines, Huskee, Troy-Bilt, MTD)
0691 Black Jack (MTD Gold, MasterCut)
0674 Yellow (Yard-Man)
0650 Metallic Red (White Outdoor)
0629 Silver Flake (MTD Platinum)
04038 Day Orange (Daedong)
04033 Flint Mica (Troy-Bilt XP)
2
Page 3
Page Left Blank Intentionally
3
Page 4
Model Series 12A-AOX
44
36
42
41
14
15
46
39
43
24
17
25
37
40
6
3
20
47
1
27
A
30
35
29
38
7
13
52
23
51
38
2
50
3
31
49
21
22
5
45
4
12
3
16
48
A
18
8
9
19
26
53
28
10
11
33
32
19
34
32
53
4
Page 5
Model Series 12A-AOX
Ref
No.
1 787-01871B Deck , 21”
2 941-00019 Bearing Assembly
3 710-04995A Screw, 5/16-14 x .750
4 712-04222 Nut, Sq., 1/4-20
5 749-04608A Lower Handle
6 710-04998 Carriage Screw ,5/16-18
7 710-04683B Screw, 3/8-16 x 1.00
8 687- 02539 Blade Adapter
9 942- 0741A Mulching Blade
10 736-0524B Blade Bell Support
11 710-104 4 Screw, 3/8-24 x 1.50
12 731- 07203 Trailing Shield
13 732-04675A Transmission Wire
14 731- 07486 Side Discharge Chute
15 987- 02516A Mulch Plug (Incl. 16-18)
16 732-1014C Torsion Spring
17 747- 0710A Hinge Pin
18 78 7-017 79 Chute Deector Bracket
19 720 -0 4130 Adjustment Lever Knob
20 710-05073 Screw, 1/4-20 x .500
21 732-04704 Compression Spring
22 731- 07797 Front Cover
23 787-01793 Front Axle Clip
24 712- 04 0 6 4 Nut, Flange Lock, 1/4-20
25 72 0 -0 412 2 Wing Knob, Black
26 911- 04150 Front Axle Assembly
27 931-04535B Engine Bae
28 911 - 04142A Rear Axle Assembly, 8”
Part Number Description
687- 02538 Balde Adapter, 25mm x 2.66
720 - 04131A Adjustment Lever Knob (Red)
72 0 -0 4124 Wing Knob, Red
Ref
No.
29 917-048 01 Spur Gear, 14T - RH
30 710 - 0 4531 Screw, 1/4-20 x .390
31 918 - 04881A Transmission Assembly
32 712-0 4217 Flange Lock Nut, 3/8-16
33 734-04581 Front Wheel, 8 x 1.8, Bar, Gray
34 734-04563 Rear Wheel, 8 x 1.8, Bar, Gray
35 715-04099 Dowel Pin
36 747- 05210 B Drive Control
37 749-04680B Upper Handle, Non-Adjustable
38 710-0895 Screw, 1/4-15 x .750
39 720 -0279 Knob
40 725-0157 Cable Tie
41 710 -12 05 Rope Guide
42 9 46 -1113 A Control Cable
43 946-04728 Drive Cable
44 747-05184D Blade Control
45 720-05066A Wing Nut
46 738 -04419A Sldr. Screw, .375 x .126 x 1/4-20
47 931- 0 4 486A Rear Bae
48 731-0724 0A Wheel Dust Cover
49 731-07355 Spring Body
50 738-04502 Shoulder Screw, 1/4-20 x 0.50
51 731- 07789 Lower Tray
52 954-0 4259A V-Belt
53 731- 09507 Hubcap, 8”
Part Number Description
917-04802 Spur Gear, 14T - LH
634-05040 Front Wheel, 8 x 2.0, Zag. Black
634-04659 Rear Wheel, 8 x 2.0, Zag, Black
749-04681B Upper Handle, Adjustable
94 6-1114 Control Cable, 50.56
5
Page 6
Model Series 12A-A1X
44
36
42
15
41
46
39
43
24
25
37
14
40
6
47
18
27
3
38
1
7
20
13
23
3
31
5
16
16
17
45
4
12
3
49
38
19
21
51
22
26
48
19
34
32
6
28
33
32
10
11
30
35
2
29
50
8
9
Page 7
Model Series 12A-A1X
Ref
No.
1 787-01876B Deck , 21”
2 941-00019 Bearing Assembly
3 710-04995A Screw, 5/16-14 x .750
4 712-04222 Nut, Sq., 1/4-20
5 749-04608A Lower Handle
6 710-04998 Carriage Screw ,5/16-18
7 710-04683B Screw, 3/8-16 x 1.00
8 687- 02539 Blade Adapter
9 942- 0741A Mulching Blade
10 736-0524B Blade Bell Support
11 710-104 4 Screw, 3/8-24 x 1.50
12 731- 07203 Trailing Shield
13 732-04675A Transmission Wire
14 647-04271 Grass Catcher Frame
15 764-04 077B Grass Bag
16 631- 04369A Rear Discharge Door Assembly
17 732-05061A Torsion Spring - RH
18 732-05062A Torsion Spring - LH
19 720 -0 4130 Adjustment Lever Knob
20 954 - 04259A V-Belt
21 732-04704 Compression Spring
22 731- 07797 Front Cover
23 787-01793 Front Axle Clip
24 712- 04 0 6 4 Nut, Flange Lock, 1/4-20
25 72 0 -0 412 2 Wing Knob
26 911- 04150 Front Axle Assembly
Part Number Description
Ref
No.
27 931-04535B Engine Bae
28 911 - 04142A Rear Axle Assembly
29 917-048 01 Spur Gear, 14T - RH
30 710 - 0 4531 Screw, 1/4-20 x .390
31 918 - 04881A Transmission Assembly
32 712-0 4217 Flange Lock Nut, 3/8-16
33 734-04581 Front Wheel
34 734-04563 Rear Wheel
35 715-04099 Dowel Pin
36 747- 05210 B Drive Control
37 749-04680B Upper Handle
38 710-0895 Screw, 1/4-15 x .750
39 720 -0279 Knob
40 725-0157 Cable Tie
41 710 -12 05 Rope Guide
42 9 46 -1113 A Control Cable
43 946-04728 Drive Cable
44 747-05184D Blade Control
45 720-05066A Wing Nut
46 738 -04419A Sldr. Screw, .375 x .126 x 1/4-20
47 747- 05183 Pivot Rod
48 731-0724 0A Wheel Dust Cover
49 731-07355 Spring Body
50 738-04502 Shoulder Screw, 1/4-20 x 0.50
51 731- 07789 Lower Tray
Part Number Description
917-04802 Spur Gear, 14T - LH
7
Page 8
Model Series 12A-B2X
44
36
42
15
14
41
56
57
46
34
39
43
24
25
59
38
40
6
53
18
27
35
30
3
37
29
1
7
52
13
23
51
37
2
50
8
3
31
49
21
22
5
16
40
16
17
45
4
12
3
58
48
A
47
28
20
9
55
8
32
54
32
33
10
11
19
26
Page 9
Model Series 12A-B2X
Ref
No.
1 787-01871B Deck, 21”
2 941-00019 Bearing Assembly
3 710-04995A Screw, 5/16-14 x .750
4 712-04222 Nut, Sq., 1/4-20
5 749-04608A Lower Handle
6 710-04998 Carriage Screw ,5/16-18
7 710-04683B Screw, 3/8-16 x 1.00
8 687- 02538 Blade Adapter
9 942- 0741A Mulching Blade
10 736-0524B Blade Bell Support
11 710-104 4 Screw, 3/8-24 x 1.50
12 731- 07203 Trailing Shield
13 732-04675A Transmission Wire
14 647-04271 Grass Catcher Frame
15 764-04 077B Grass Bag
16 631- 04369A Rear Discharge Door Assembly
17 732-05061A Torsion Spring - RH
18 732-05062A Torsion Spring - LH
19 720 -0 4130 Adjustment Lever Knob
20 710-05073 Screw, 1/4-20 x .500
21 732-04704 Compression Spring
22 731- 07797 Front Cover
23 787-01793 Front Axle Clip
24 712- 04 0 6 4 Nut, Flange Lock, 1/4-20
25 72 0 -0 412 2 Wing Knob
26 911- 04150 Front Axle Assembly
27 931-04535B Engine Bae
28 911 - 0414 4B Rear Axle Assembly
29 917-048 01 Spur Gear, 14T - RH
30 710 - 0 4531 Screw, 1/4-20 x .390
31 918 - 04881A Transmission Assembly
Part Number Description
96 4- 04116 B Grass Bag (Yardman)
631- 0 4567A Door Assembly, International
917-04802 Spur Gear, 14T - LH
Ref
No.
32 712-0 4217 Flange Lock Nut, 3/8-16
33 734-04581 Front Wheel, 8 x 1.8, Bar, Gray
34 634-04625 Rear Wheel, 11 x 1.75, Bar, Gray
35 715-04099 Dowel Pin
36 747- 05210 B Drive Control
37 710-0895 Screw, 1/4-15 x .750
38 749-04681B Upper Handle, Adjustable
39 720 -0279 Knob
40 725-0157 Cable Tie
41 710 -12 05 Rope Guide
42 9 46 -1113 A Control Cable, 37.75”
43 946-04728 Drive Cable
44 747-05184D Blade Control
45 720-05066A Wing Nut
46 738 -04419A Sldr. Screw, .375 x .126 x 1/4-20
47 7 87- 0177 9 Chute Deector Bracket
48 731-0724 0A Wheel Dust Cover
49 731-07355 Spring Body
50 738-04502 Shoulder Screw, 1/4-20 x 0.50
51 731- 07789 Lower Tray
52 954-0 4259A V-Belt
53 747- 05183 Pivot Rod
54 731- 09507† Hubcap, 8”, Yellow
55 731- 09508† Hubcap, 11”, Yellow
56 731-074 86 Side Discharge Chute
57 987- 02516A Mulch Plug (Incl. 47, 58-59)
58 732-1014C Torsion Spring
59 747- 0710A Hinge Pin
Part Number Description
634-05040 Front Wheel, 8 x 2.0, Zag. Black
634-05062 Rear Wheel, 11 x 2.0, Zag, Black
731- 09429 Hubcap, 8”, Gray
731- 07875 Hubcap, 11”, Gray
687- 02584A Mulch Plug Ass’y, International
† If Equipped
9
Page 10
Model Series 12AV/GB2X
44
42
4
59
58
39
61
36
64
67
71
41
15
43
14
37
56
46
57
24
25
40
6
53
18
3
76
50
77
5
16
40
16
17
45
65
60
66
72
70
66
69
63
1
33
27
4
12
3
20
55
A
54
48
30
35
29
38
7
52
13
31
3
73
68
62
23
49
21
51
38
2
50
22
10
75
28
8
34
9
32
10
11
74
47
32
19
26
Page 11
Model Series 12AV/GB2X
Ref
No.
1 787-01871B Deck , 21”
2 941-00019 Bearing Assembly
3 710-04995A Screw, 5/16-14 x .750
4 712-04222 Nut, Sq., 1/4-20
5 749-04608A Lower Handle
6 710-04998 Carriage Screw ,5/16-18
7 710-04683B Screw, 3/8-16 x 1.00
8 687- 02528 Blade Adapter (159cc)
9 942- 0741A Mulching Blade
10 736-0524B Blade Bell Support
11 710-104 4 Screw, 3/8-24 x 1.50
12 731- 07203 Trailing Shield
13 732-04675A Transmission Wire
14 647-04271 Grass Catcher Frame
15 764-04 082B Grass Bag
16 631- 04369A Rear Discharge Door Assembly
17 732-05061A Torsion Spring - RH
18 732-05062A Torsion Spring - LH
19 720- 05099 Adjustment Lever Knob (Orange)
20 710-05073 Screw, 1/4-20 x .500
21 732-04704 Compression Spring
22 731- 07797 Front Cover
23 787-01793 Front Axle Clip
24 712- 04 0 6 4 Nut, Flange Lock, 1/4-20
25 72 0 -0 412 2 Wing Knob
26 911- 04150 Front Axle Assembly
27 931-04535B Engine Bae
28 911 - 0414 4B Rear Axle Assembly
29 917-048 01 Spur Gear, 14T - RH
30 710 - 0 4531 Screw, 1/4-20 x .390
31 918 - 04881A Transmission Assembly
Part Number Description
787-01873B Deck, 21”
787-01872C Deck, 21”
964-05065 Grass Bag, Remington
631- 04389A Rear Discharge Door Assembly
720 - 04131A Adjustment Lever Knob (Red)
720 -04130 Adjustment Lever Knob (Black)
72 0 -0 4124 Wing Knob, Red
720-05090 Wing Nut, Orange
917-04802 Spur Gear, 14T - LH
Ref
No.
32 712-0 4217 Flange Lock Nut, 3/8-16
33 747-0710A Hinge Pin
34 634-04625 Rear Wheel, 11”, Oyster Gray
35 715-04099 Dowel Pin
36 753-06060A Control Lever Assembly
37 749-04679 Upper Handle
38 710-0895 Screw, 1/4-15 x .750
39 720 -0279 Knob
40 725-0157 Cable Tie
41 710 -12 05 Rope Guide
42 946-04655A Drive Cable
43 946-04703A Control Cable (5X65RU)
44 747-05209 C Blade Control
45 720-05066A Wing Nut
46 738 -04419A Sldr. Screw, .375 x .126 x 1/4-20
47 734 - 04581 Front Wheel, Gray, Pin Bar
48 731-0724 0A Wheel Dust Cover
49 731-07355 Spring Body
50 738-04502 Shoulder Screw, 1/4-20 x 0.50
51 731- 07789 Lower Tray
52 954-0 4260 V-Belt
53 747- 05183 Pivot Rod
54 787- 0177 9 Chute Deector Bracket
55 732-1014 C Torsion Spring
56 731-074 86 Side Discharge Chute
57 987- 02516A Mulch Plug (Incl. 33, 54-55)
58 725 -0 6114 † Plunger Switch
59 731- 09755† Electric Start Housing, LH
60 725- 06121A† Battery Charger
61 710- 0136† Screw, 1/4-20 x 1.75
62 710- 0276† Bolt, Carr., 5/16-18 x 1.00
63 912- 0 429† Nut, Hexlk, 5/16-18
64 731-09728† Key
Part Number Description
634-05062 Rear Wheel, 11 x 2.0, Zag, Black
94 6-113 0 Control Cable (6X65RU)
946-04661A Control Cable (Briggs)
747- 06525 Blade Control, Orange
634-05040 Front Wheel, Black, Zag
731- 07131 Side Discharge Chute
687- 02531A Mulch Plug (Incl. 33, 54-55)
Continued on next page
11
Page 12
Model Series 12AV/GB2X
Ref
No.
65 725-04903† Battery
66 738-04431A† Scr., Sldr., 5/16-14 x .972
67 931- 05131A† Key Switch
68 726- 0201† Speed Nut
69 731- 07135† Battery Housing
70 731- 07154A† Battery Housing Top
71 731- 09753A† Electric Start Housing, RH
72 735-04213B† Lid Seal
73 736 - 0242† Washer, Bell, .340 x .872 x .080
74 731-09429 † Hubcap, 8”, Grey
75 731- 07875† Hubcap, 11”, Grey
76 921-04041 Water Nozzle Adapter
77 731-07487 Water Nozzle
— 925- 06140B† Wire Harness (Not Shown)
— 725-05106† Fuse (Not Shown)
† If Equipped
Part Number Description
12
Page 13
Page Left Blank Intentionally
13
Page 14
Model Series 12AVC6X
56
58
59
55
54
26
25
7
5
3
11
8
57
10
6
4
2
17
24
22
22
42
52
45
27
40
53
49
47
44
51
46
50
60
33
9
23
40
37
39
A
52
48
14
1
67
64
69
38
17
37
36
35
73
41
28
63
61
65
40
12
62
68
71
72
72
71
70
14
29
20
31
A
7” wheel
32
21
30
66
8” wheel
19
43
37
18
13
16
15
34
Page 15
Model Series 12AVC6X
Ref
No.
1 720-04096 Adjustment Lever Knob
2 749-04608A Lower Handle
3 749-04679 Upper Handle
4 710-04998 Carriage Screw ,5/16-18
5 710 -1205 Rope Guide
6 712- 0 4 0 6 4 Nut, Flange Lock, 1/4-20
7 720-0279 Knob
8 720-04072A Wing Knob
9 720-05066A Wing Nut
10 72 5 - 0157 Cable Tie
11 738- 0 4 419A Shdr. Screw, .375 x .126 x 1/4-20
12 7 31-110 64 Front Cover
13 942- 0741A Mulching Blade
14 687-02220 Blade Adapter
15 710 -1044 Screw, 3/8-24 x 1.50
16 736-0524B Blade Bell Support
17 731- 07795 Wheel Dust Cover
18 934- 0 4714 Rear Wheel, 8 x 2
19 634-04733 Front Wheel, 7 x 2
20 750-06036 Caster Hub, Long
21 750-06065 Caster Hub, Short
22 631- 04553A Rear Discharge Door Assembly
23 712-04222 Nut, Sq., 1/4-20
24 731- 07203 Trail Shield
25 732-05061A Torsion Spring - RH
26 732-05062A Torsion Spring - LH
27 747-05183 Pivot Rod
28 687-05069B 21” Deck
29 987-02516A Mulch Plug (Incl. 30-32)
30 732-1014C Torsion Spring
31 747- 0710A Hinge Pin
32 787- 01779 Chute Deector Bracket
33 710-05073 Screw
34 731- 07131 Side Discharge Chute
35 921-04041 Water Nozzle Adapter
36 731-074 87 Water Nozzle
37 738- 04502 Shoulder Screw, 1/4-20 x 0.50
38 710-044 84 Self Tapping Screw, 5/16-18 x .750
Part Number Description
Ref
No.
39 710-04683C Screw, tt, 3/8-16 x 1.00
40 710- 04995A Screw, 5/16-14 x .750
41 736-0362 Washer, Flat, .330 x 1.25 x .06
42 631- 04501A Bearing Assembly
43 631- 04512C Engine Bae
44 710-0 4374 Screw, Hex Washer, .159 x .43
45 710- 0 47 74 Screw, 1/4-15 x 1.25
46 710- 0895 Screw, 1/4-15 x .750
47 732-04826A Exten. Spring, 2.405
48 954-0 4282 V-Belt
49 787-01868A Transmission Bracket
50 787- 01915A Rear Support Bracket
51 918-06 038 Transmission Assembly
52 917-04852 Spur Gear, 10T
53 731- 0 8175 Transmission Cover
54 946-05048 Variable Speed Cable
55 9 46 -1114 Control Cable
56 664-05070 Grass Bag
57 747-05362 A Grass Catcher Frame
58 753-06060A Control Lever Assembly
59 631- 05291 Blade Control
60 911- 0418 9 Rear Axle Assembly
61 682-9024 Caster Bracket Assembly, RH
62 682-9026 Caster Bracket Assembly, LH
63 687-05033 Caster Bracket Assembly
64 911-1146 Caster Axle, .374 Dia. x 2.59
65 712- 0397A Wing Nut, 1/4-20 w/Bell Washer
66 712-0 4217 Flange Lock Nut, 3/8-16
67 914-0104 Cotter Pin, .072 Dia. x 1.13 Lg.
68 726 -0214 Push Cap, 5/8
69 932-0306A Compr. Sprng., .531 OD x 1.75 Lg
70 735-0246A Plug
71 736-0366 Flat Washer, .640 x 1.12 x .125
72 741- 0685 Flange Bearing, .631 ID
73 747- 0924 Lock Pin: Front Wheel
Part Number Description
946-04661A Control Cable (Honda)
664-05071 Grass Bag (Honda)
15
Page 16
Model Series 12AKD3X
44
41
42
37
46
39
25
51
66
43
40
69
14
62
1
3
3
22
53
38
23
16
A
61
3
20
30
35
31
49
56
18
16
17
24
6
5
12
2
29
45
15
4
3
50
71
7
29
52
70
8
19
16
47
67
57
63
38
68
59
21
36
65
48
55
58
60
A
34
32
9
10
11
21
28
32
54
33
27
50
64
38
26
13
50
64
38
Page 17
Model Series 12AKD3X
Ref
No.
1 787-02002B Deck, 21” w/ deck wash
2 631-04501A Bearing Assembly
3 710-04995A Screw, 5/16-14 x .750
4 712-04222 Nut, Sq., 1/4-20
5 749-04608A Lower Handle
6 710-04998 Carriage Screw ,5/16-18
7 710-04683B Screw, 3/8-16 x 1.00
8 687-02220 Blade Adapter
9 942- 0741A Mulching Blade
10 736-0524B Blade Bell Support
11 710-104 4 Screw, 3/8-24 x 1.50
12 731- 07203 Trailing Shield
13 949-04840B Cross Bracket
14 747-05362 A Grass Catcher Frame
15 964-04097B Grass Bag
16 631- 04553A Rear Discharge Door Assembly
17 732-05061A Torsion Spring - RH
18 732-05062A Torsion Spring - LH
19 7 2 0 -0 4113 Adjustment Lever Knob, Red
20 710 -0 4374 Screw, .159 x .43 Hex Washer
21 710 -0 47 74 Screw, 1/4-15 x 1.25
22 731-08057 Front Cover
23 731- 07799 Transmission Cover
24 712- 04 0 6 4 Nut, Flange Lock, 1/4-20
25 72 0 -0 412 2 Wing Knob
26 911- 0 4191A Front Axle Assembly
27 631-04512C Engine Bae
28 911 - 04192 Rear Axle Assembly
29 917-048 49 Spur Gear, 9T
30 732-04826A Exten. Spring, 2.675
31 918-06000 Transmission Assembly
32 712-0 4217 Flange Lock Nut, 3/8-16
33 634-04665 Front Wheel
34 934-04699 Rear Wheel
35 787- 01868A Transmission Bracket
36 732- 04937 Spring
Part Number Description
Ref
No.
37 749 - 04701A Upper Handle
38 710-0895 Screw, 1/4-15 x .750
39 720 -0279 Knob
40 725-0157 Cable Tie
41 710 -12 05 Rope Guide
42 946-04816 Drive Cable
43 9 46 -113 0 Control Cable (Kohler)
44 747-0533 0A Blade Control
45 720-05066A Wing Nut
46 738 -04419A Sldr. Screw, .375 x .126 x 1/4-20
47 710-05204 Scr., Shldr, 1/4-15 x .970
48 731- 08155A Control Lever LH
49 787- 01915A Rear Support Bracket
50 738-04502 Shoulder Screw, 1/4-20 x 0.50
51 946-04729 Speed Adjustment Cable
52 954-0 4282 V-Belt
53 747- 05183 Pivot Rod
54 731- 09429 Hubcap, Grey
55 731- 07875 Hubcap, 11”, Grey
56 731-074 86 Side Discharge Chute
57 987- 02516A Mulch Plug (Incl. 58-60)
58 732-1014C Torsion Spring
59 747- 0710A Hinge Pin
60 787- 01779 Chute Deector Bracket
61 710-05073 Screw, 1/4-20 x .500
62 921-04041 Water Nozzle Adapter
63 731-08804 Control Lever RH
64 741-0492A Bushing, Lock, .505 Dia. X .62
65 787-01851 Cable Adjust Plate
66 731- 08750 Upper Housing
67 731- 0776 4A Lower Housing
68 731- 07804 Speed Adjust Actuator
69 731- 0 8153 Speed Selec Lever
70 731-07731C Wheel Dust Cover
71 731- 07487 Water Nozzle
Part Number Description
17
Page 18
Model Series 12ABD2X
61
62
59
59
11
56
64
63
23
40
42
21
21
26
45
27
39
47
41
52
46
44
51
53
7
22
39
37
38
A
30
50
40
49
18
35
36
28
39
39
13
31
14
16
60
12
6
4
10
8
15
9
5
3
2
25
18
24
29
34
14
33
43
32
A
1
55
17
58
20
19
55
48
54
57
Page 19
Model Series 12ABD2X
Ref
No.
1 731- 09429 Hubcap, 8”, Grey
2 747- 05362 A Grass Catcher Frame
3 710-04998 Carriage Screw ,5/16-18
4 710 -1205 Rope Guide
5 712- 0 4 0 6 4 Nut, Flange Lock, 1/4-20
6 720-0279 Knob
7 720-05066A Wing Nut
8 72 0 -0 412 2 Wing Knob
9 72 5 - 0157 Cable Tie
10 738- 0 4 419A Shdr. Screw, .375 x .126 x 1/4-20
11 749-04608A Lower Handle
12 749-05084 Upper Handle
13 731- 09618 Front Cover
14 720 -0 413 0 Adjustment Lever Knob
15 964-04097B Grass Bag
16 748-05047 Shoulder Spacer, .18 x .315 x .09
17 9 42- 0741A Mulching Blade
18 687-02220 Blade Adapter
19 710 -1044 Screw, 3/8-24 x 1.50
20 736-0524B Blade Bell Support
21 631- 0455 4A Rear Discharge Door Assembly
22 712-04222 Nut, Sq., 1/4-20
23 731- 07203 Trail Shield
24 731- 07875 Hubcap, 11”, Grey
25 732-05061A Torsion Spring - RH
26 732-05062A Torsion Spring - LH
27 747-05183 Pivot Rod
28 787-02002B 21” Deck
29 687- 02531A Mulch Plug (Incl. 32-34)
30 710-05073 Screw
31 731-07131 Side Discharge Chute
32 787- 01779 Chute Deector Bracket
Part Number Description
Ref
No.
33 732-1014C Torsion Spring
34 747- 0710A Hinge Pin
35 921-04041 Water Nozzle Adapter
36 731-074 87 Water Nozzle
37 738- 04502 Shoulder Screw, 1/4-20 x 0.50
38 710-04683C Screw, tt, 3/8-16 x 1.00
39 710 - 04995A Screw, 5/16-14 x .750
40 917-04849 Spur Gear, 9T
41 731-0 8175 Transmission Cover
42 631- 04501A Bearing Assembly
43 631- 04512C Engine Bae
44 710-0 4374 Screw, Hex Washer, .159 x .43
45 710- 0 47 74 Screw, 1/4-15 x 1.25
46 710- 0895 Screw, 1/4-15 x .750
47 732-05150A Exten. Spring, 2.405
48 738-04502 Shoulder Screw, 1/4-20 x 0.50
49 954- 04282 V-Belt
50 787-0186 8A Transmission Bracket
51 787-01915A Rear Support Bracket
52 918-07000 Transmission Assembly
53 911-05029 Rear Axle Assembly
54 911-05022 Front Axle Assembly
55 712- 0 4217 Flange Lock Nut, 3/8-16
56 731- 07731C Wheel Dust Cover
57 634-04665 Front Wheel, 8 x2
58 934-04699 Rear Wheel, 11 x 2
59 710 -1017 Screw, 1/4-14 x .625
60 931- 09823A Handle Console
61 731-09730A Drive Handle
62 747-063 07 Blade Control
63 946 - 05121A Drive Cable
64 946 -05107A Control Cable
Part Number Description
19
Page 20
Engine Model 5X65RU Air Cleaner
117
118
120
121
Ref. Part Number Description
117 710 -04969 Bolt M6X30 Af Base/Coil/E-Starter
118 951-14 439 Air Cleaner Housing Assembly
120 951-10298 Air Cleaner Kit
121 712-05015 Nut M6X10Mm Starter/Carb/Mu
20
Page 21
134
133
134
132
131
130
130
5X65RU Carburetor
a
h
g
l
i
j
f
k
b
c
d
e
128
129
179 - Carburetor Kit
Ref.
Part Number Description
126 951-14419 Air Filter Base Gasket
127 951-14420 Choke Temp Control Bracket
128 951-1442 2 Choke Temp Control Bracket Gasket
129 951-14421 Choke Temp Control Linkage
130 951-14423 Carburetor Assembly
131 951-14424 Carburetor Gasket
132 951 -117 3 8 Carburetor Insulator
133 951 -115 2 8 Carburetor Insulator Gasket
134 951-14425 Carb Stud M6×87
179 951-14446 Carburetor Kit
(Incl.e,j,k,l,o,p,q,r,s,t,u,w,z)
a n/a Choke Shaft
b n/a Choke Plate
c n/a Choke Return Spring
d n/a Choke Shaft Washer
e n/a Choke Shaft Fiber O-Ring
f n/a Throttle Plate
g n/a Throttle Plate Lock Washer
h n/a Screw M3X6 Throttle Plate
127
126
Ref.
Part Number Description
i n/a Throttle Shaft
j n/a Idle Jet Assembly
k n/a Throttle Shaft Fiber O-Ring
l n/a Idle Speed Adjusting Screw
m n/a Idle Mixture Screw
n n/a Carburetor Body
o n/a Emulsion Tube
p n/a Main Jet
q n/a Fuel Bowl O-Ring
r n/a Needle Valve
s n/a Needle Valve Spring
t n/a Float
u n/a Float Pin
v n/a Fuel Bowl
w n/a Fuel Bowl Gasket
x n/a Fuel Bowl Mounting Bolt
y n/a Fuel Drain Plug
aa n/a Fuel Drain Plug Gasket
m
n
o
p
q
r
s
t
v
w
x
u
z
y
21
Page 22
5X65RU Crankcase
176 - Gasket Kit - Complete
177 - Gasket Kit -External
178 - Complete Engine
44
46
47
43
36
43
45
28
44
51
48
49
50
52
53
54
161
166
168
167
166
85
172
169
86
86
73
89
48
79
64
48
64
80
81
88
90
74
71
83
84
82
72
75
22
Page 23
5X65RU Crankcase
Ref.
Part Number Description
28 951-14 4 02 Brake Assembly
36 712- 04219 Brake Arm Nut
38 712- 042 09 Ground Switch Nuts M4
43 750-05384 Brake Spacer
44 710-04980 Bolt M6X35 Af Base/Brake/Dipstick
45 710-04918 Bolt M6×20 Ignition Coil
46 951-116 22 Flexible Clamp, Ignition Coil
47 951-14403 Ignition Coil Assembly
48 710 - 0 4916 Bolt M6X14 Multi-Purpose
49 951-14 404 Breather Cover Plate
50 951-14405 Breather Gasket
51 951-115 9 6 Upper Crankshaft Seal
52 95 1-11730 Breather Screen
53 732-04718 Breather Valve Spring
54 9 51-11614 Breather Valve
64 710 -0 4915 Bolt M6X12 Multi-Purpose
71 951-14408 Choke Linkage
72 951-14409 Throttle Linkage Spring
73 951-14410 Throttle Linkage
74 9 51-14 411 Governor Spring
75 951-14 412 Governor Arm Assembly
79 951-14413 Component Bracket
80 951-14414 Air Vane Bracket
81 951-115 2 9 Air Vane
Ref.
Part Number Description
82 714-04074 Governor Arm Shaft Cotter Pin
83 9 51-115 74 Governor Seal
84 951-14416 Governor Arm Shaft
85 9 51-115 2 0 Breather Hose Assembly
86 726 -04101 Breather Hose Clamp
88 951-14 415 Crankcase Cover Gasket
89 951-14447 Short Block
(Incl.48-54,82-84,88-92,95,97-100,
110-116,126 ,132 ,133 ,149,152 ,156,
157,159-161,16 6 -169,172)
90 951-113 69 Main Bearing
161 951-14 433 Piston Ring Set
166 951-1160 3 Piston Pin Snap Ring
167 951-14 434 Piston
168 951-14 435 Piston Pin
169 951-14 436 Connecting Rod Assembly
172 710 - 05115 Connecting Rod Bolt
176 951-14443 Gasket Kit - Complete
(Incl . 50,51,83 , 88,95,113,116,126 ,
128,131-133,149,152 ,156)
177 951-14444 Gasket Kit -External
(Incl . 50,95,113,126,128,
131-133,149,152)
178 952Z5X65RU Complete Engine
23
Page 24
5X65RU Crankshaft & Crankcase Cover
94
92
91
44
95
96
95
114
175
113
111
112
112
112
Ref. Part Number Description
44 710- 04980 Bolt M6X35 Af Base/Brake/Dipstick
48 710- 04916 Bolt M6X14 Multi-Purpose
91 9 51-14417 Crankshaft Assembly
92 951-10307 Flywheel Key
94 951-14440 Oil Dipstick Assembly
95 9 51-115 46 Dipstick / Oil Fill Tube O-Ring
96 951-14441 Oil Fill Tube Assembly
97 9 51-117 33 Oil Return Seal
98 736-04491 Crankshaft Thrust Washer
99 95 1-116 09 Governor Gear Mounting Plate
48
48
99
9897
112
100
110
112
115
112
112
116
Ref. Part Number Description
100 951-115 49 Governor Gear/Shaft Assembly
110 715-04092 Crankcase Cover Dowel Pin 7×14
111 715-04089 Crankcase Cover Dowel Pin 9×14
112 710 -04931 Bolt M6X28 X65/P65 Crankcase
113 736-04440 Oil Drain Plug Washer
114 710-04906 Oil Drain Plug
115 951-14 418 Crankcase Cover
116 951-115 45 Lower Crankshaft Seal
175 951-10370 Oil Drain Plug & Washer Assembly
24
Page 25
5X65RU Flywheel & Shroud
3
2
1
26
2
2
6
16
15
19
19
19
18
15
25
20
24
27
21
Ref.
Part Number Description
1 951-1439 6 Starter Recoil Assembly
2 712- 0429 0 Starter Acorn Nut
3 731- 07925 Starter Handle
6 9 51-117 21 Recoil Pulley & Spring Assembly
15 951-14397 Starter/Shroud Rear Stud M6×78.5
16 951-14398 Starter/Shroud Front Stud M6×74
18 951-14399 Engine Shroud Assembly
Ref.
Part Number Description
19 750 -05320 Engine Shroud Spacer
20 951-14442 Carbon Canister Assembly
21 951-14126 Carbon Canister
24 951-14400 Carbon Canister Filter
25 951-14127 Carbon Canister Filter Cap
26 712- 04287 Flywheel Nut M14
27 951-14401 Flywheel
25
Page 26
5X65RU Cylinder Head
121
121
155
154
176 - Gasket Kit - Complete
177 - Gasket Kit -External
178 - Complete Engine
48
48
173
174
OPTIONAL
150
149
48
142
144
141
148
148
147
147
139
151
146
153
141
146
64
152
138
145
145
138
151
136
137
143
136
160
157
159
158
156
159
158
157
136
135
136
26
48
Page 27
5X65RU Cylinder Head
Ref.
Part Number Description
48 710 - 0 4916 Bolt M6X14 Multi-Purpose
135 951-14448 Cylinder Head Asm
(I ncl.132,133,135,138 -143,
145 -149,152 ,156)
951-14445 Cylinder Head Service Kit
(Incl .136,139,149,156)
136 710-04982 Bolt M8X54 Cylinder Head
137 951-14437 Spark Plug, F5Rtc
138 951-10313 Valve Kit
139 951-11818 Intake Valve Seal
140 951-10313 Valve Kit
141 951-1200 4 Valve Spring
142 951-11977 Valve Spring Retainer
143 95 1-116 87 Push Rod Guide
144 951 -116 06 Rocker Arm Assembly
145 710-04902 Rocker Arm Stud
146 951-12001 Rocker Arm
147 751-1112 3 Fulcrum Nut
148 751-1112 4 Jam Nut
149 951-11551 Valve Cover Gasket
150 951-14426 Valve Cover
Ref.
Part Number Description
151 710-05094 Muer Stud M6X95
151 951-10342 Muer Stud Assembly
152 951-14427 Muer Gasket
153 951-14428 Choke Temp Control Thermostat
154 951-14429 Muer Assembly
155 951-14430 Muer Shield
156 951-14431 Cylinder Head Gasket
157 715-04108 Cylinder Head Dowel Pin 10×16
158 951-10314 Push Rod Kit
159 951-14432 Ta p pet
160 9 51-11741 Camshaft Assembly
173 951-10351 Spark Arrestor
174 710 - 0 4983 Spark Arrestor Screw
176 951-14443 Gasket Kit - Complete
(Incl . 50,51,83 , 88,95,113,116,126 ,
128,131-133,149,152 ,156)
177 951-14444 Gasket Kit -External
(Incl . 50,95,113,126,128,
131-133,149,152)
178 952Z5X65RU Complete Engine
27
Page 28
5X65RU Fuel Tank
57
65
48
63
64
56
55
58
68
67
69
70
68
28
Ref. Part Number Description
48 710- 04916 Bolt M6X14 Multi-Purpose
55 731-08133 Fuel Tank Lower Grommet
56 951-14406 Fuel Tank Upper Grommet
57 731-08104 Fuel Tank Nut
58 951-14407 Fuel Cap Assembly
63 931-04629 Fuel Tank
64 710- 0 4915 Bolt M6X12 Multi-Purpose
65 951-1168 0 Flexible Clamp, Vent Hose
67 951-10358A Fuel Filter
68 951-11700 Fuel Hose Clamp
69 9 51-14438 Fuel Line Kit
70 723-04071 Plastic Support Clamp
Page 29
29Notes
Page 30
Engine Model 6X65RU Air Cleaner
132
134
135
136
Ref. Part Number Description
132 710 -04969 Bolt M6X30 Af Base/Coil/E-Starter
134 751-14 439 Air Filter Cover Kit
135 951-14 632 Air Filter Element, Paper
136 712-05015 Nut M6X10Mm Starter/Carb/Mu
30
Page 31
149
6X65RU Carburetor
149
148
147
145
146
142
141
143
144
Ref.
Part Number Description
141 951-14419 Air Filter Base Gasket
142 951-14 420 Temp Control Guide Bracket
143 951-14 422 Temp Control Guide Bracket Gasket
144 951-14421 Temp Control Linkage
145 951-14 423 Carburetor Assembly
146 751-14758 Carburetor Rebuild Kit
146 951-14 424 Carburetor Gasket
147 95 1-11738 Carburetor Insulator
148 95 1-11528 Carburetor Insulator Gasket
149 951-14 425 Carb Stud M6×87
a n/a Choke Shaft
b n/a Choke Plate
c n/a Choke Return Spring
d n/a Choke Shaft Washer
e n/a Choke Shaft Fiber O-Ring
f n/a Throttle Plate
g n/a Screw M3X6 Throttle Plate
h n/a Throttle Shaft
Ref.
Part Number Description
i n/a Idle Jet Assembly
j n/a Throttle Shaft Fiber O-Ring
k n/a Idle Speed Adjusting Screw
l n/a Idle Mixture Screw
m n/a Carburetor Body
n n/a Emulsion Tube
o n/a Main Jet
p n/a Fuel Bowl O-Ring
q n/a Needle Valve
r n/a Needle Valve Spring
s n/a Float
t n/a Float Pin
u n/a Fuel Bowl
v n/a Fuel Bowl Mounting Bolt Gasket
w n/a Fuel Bowl Mounting Bolt
x n/a Fuel Drain Plug
y n/a Fuel Drain Plug Gasket
31
Page 32
6X65RU Crankcase
183
185
52
190
49
190
104
57
59
103
58
54
60
55
56
98
99
97
178
100
184
101
101
183
87
93
95
54
50
186
94
54
50
96
88
92
91
89
78
75
105
76
77
79
32
Page 33
6X65RU Crankcase
Ref.
Part Number Description
49 710- 04943 Bolt M6X28 T/X/P Crankcase/Dp Stick
50 710 -04915 Bolt M6X12 Multi-Purpose
52 72 5 -0 617 8 Ignition Coil Assembly
54 710 -04916 Bolt M6X14 Multi-Purpose
55 951-14404 Breather Cover Plate
56 951-14 405 Breather Gasket
57 95 1-11596 Upper Crankshaft Seal
58 9 51-117 3 0 Breather Screen
59 732-04718 Breather Valve Spring
60 9 51-11614 Breather Valve
75 951-14408 Choke Linkage
76 951-14409 Throttle Linkage Spring
77 710 - 04919 Bolt M6×25 Ign/Brake/Cvr Plt
78 725 - 0617 9 Grounding Wire
79 651-05222 Brake Assembly
87 751-14721 Throttle Linkage
88 751-14718 Governor Spring
89 951-05160 Governor Arm Assembly
91 710-04908 Governor Arm Bolt
92 712-05015 Governor Arm Nut M6
Ref.
Part Number Description
93 951-14413 Component Bracket
94 751-14719 Air Vane Bracket
95 7 31-10630 Plastic Support Clamp
96 9 51-1152 9 Air Vane
97 714-04078 Governor Arm Shaft Cotter Pin
98 9 51-11574 Governor Seal
99 951-14 416 Governor Arm Shaft
100 9 51-11520 Breather Hose Assembly
101 726 -04101 Breather Hose Clamp
103 951-14415 Crankcase Cover Gasket
104 751-14720 Crankcase
104 651-05227 (Mtd Srvc Kit) Short Block
105 9 51-11369 Main Bearing
178 951-14 433 Piston Ring Set
183 9 51-116 03 Piston Pin Snap Ring
184 951-14 434 Piston
185 951-14 435 Piston Pin
186 951-14 436 Connecting Rod Assembly
190 750 -06314 Ignition Coil Spacer
952Z6X65RU Complete Engine
33
Page 34
6X65RU Crankshaft & Cover
108
110
112
129
49
128
127
49
113
49
107
114
131
49
49
54
115
106
49
54
126
130
118
119
49
117
116
Ref. Part Number Description
49 710 - 04943 Bolt M6X28
54 710-04916 Bolt M6X14 Multi-Purpose
106 951-14417 Crankshaft Assembly
107 951-10307 Flywheel Key
108 710-04980 Bolt M6X35
110 751-14440 Dipstick
112 751-14441 Oil Fill Tube
113 9 51-11733 Oil Return Seal
114 736-04 491 Crankshaft Thrust Washer
115 9 51-116 0 9 Governor Gear Mounting Plate
34
Ref. Part Number Description
116 951-115 49 Governor Gear/Shaft Assembly
117 931-09595 Governor Slide Cap
118 936-05038 Governor Slide Cap Washer
119 916-05003 Governor Shaft Stop Ring
126 715-04092 Crankcase Cover Dowel Pin
127 715-04096 Crankcase Cover Dowel Pin Φ9×14
128 736-04440 Oil Drain Plug Washer
129 710-04906 Oil Drain Plug
130 951-14418 Crankcase Cover
131 951 -115 45 Lower Crankshaft Seal
Page 35
6X65RU Flywheel & Shroud
51
50
3
1
2
49
28
2
15
16
19
19
Ref.
Part Number Description
1 951-1439 6 Recoil Starter Assembly
2 712- 04276 Starter Acorn Nut
3 731- 07925 Starter Handle
15 951-14397 Starter/Shroud Rear Stud M6×78.5
16 751-14819 Starter/Shroud Front Stud M6×74
18 731-10631 Engine Shroud
19 750 -05320 Engine Shroud Spacer
20 751-144 42 Carbon Canister Assembly
21 951-14126 Carbon Canister
24 951-14400 Carbon Canister Filter
25
19
2
26
53
53
27
15
18
24
21
20
Ref.
Part Number Description
25 951-14127 Carbon Canister Filter Cap
26 712- 04287 Flywheel Nut M14
27 751-14722 Flywheel
28 951-05207 Electric Starter Assembly (53:9)
49 710- 04943 Bolt M6X28 T/X/P Crankcase/Dp Stick
50 710 -04915 Bolt M6X12 Multi-Purpose
51 951-1168 0 Flexible Clamp, Vent Hose
53 715-05016 Starter Housing Dowel Pin Φ8×8
35
Page 36
6X65RU Cylinder Head
136
136
170
171
172
169
166
168
50
167
166
152
151
177
174
176
175
173
54
54
165
54
164
54
157
156
163
163
154
162
162
156
161
159
153
161
155
160
160
151
158
176
175
174
151
150
151
36
Page 37
6X65RU Cylinder Head
Ref.
Part Number Description
50 710 -04915 Bolt M6X12 Multi-Purpose
54 710 -04916 Bolt M6X14 Multi-Purpose
136 712-05015 Nut M6X10Mm Starter/Carb/Mu
150 951- 05151 (Mtd Srvc Kit) Cylinder Head Assy
150 751-14 639 Cylinder Head
151 710 - 06185 Bolt M8X54 Cylinder Head
152 951-14437 Spark Plug/F5Rtc
153 951-14640 Intake Valve
154 721- 0 4237 Intake Valve Seal
155 951-14641 Exhaust Valve
156 951-120 0 4 Valve Spring
157 951-11977 Valve Spring Retainer
158 951 -116 87 Push Rod Guide
159 951 -116 06 Rocker Arm Assembly
160 710 -04902 Rocker Arm Stud
161 951-12001 Rocker Arm
162 7 51-1112 3 Fulcrum Nut
Ref.
Part Number Description
163 7 51-1112 4 Jam Nut
164 951-11551 Valve Cover Gasket
165 951-14 609 Valve Cover
166 710-05094 Muer Stud M6X95
167 951-14 427 Muer Gasket
168 951-14 428 Choke Temp Control Thermostat
169 951-14 429 Muer Assembly
170 951-14 430 Muer Shield
171 951-10351 Spark Arrestor
172 710 - 0 4983 Spark Arrestor Screw
173 951-14 431 Cylinder Head Gasket
174 715-04108 Cylinder Head Dowel Pin Φ10×16
175 747-04862 Push Rod
176 951-14 432 Tap pet
177 9 51-11741 Camshaft Assembly
952Z6X65RU Complete Engine
37
Page 38
6X65RU Fuel Tank
63
54
69
62
61
68
74
72
Ref. Part Number Description
64
71
72
73
38
54 710-04916 Bolt M6X14 Multi-Purpose
61 731-08133 Fuel Tank Lower Grommet
62 951-14 406 Fuel Tank Upper Grommet
63 731-08104 Fuel Tank Nut
64 951-14407 Fuel Cap Assembly
68 951-14695 Fuel Cap Tether
69 931-04629 Fuel Tank
71 951-10358A Fuel Filter
72 951 -1170 0 Fuel Hose Clamp
73 751-14 438 Fuel Hose
74 723- 04071 Plastic Support Clamp
Page 39
Notes
39
Page 40
To order replacement parts or locate your nearest service dealer call a Customer Support at (800) 800-7310.
or visit www.mtdproducts.com to find the nearest authorized dealer in your area.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
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