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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 1 of 19
Bolo Tines Assembly
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 2 of 19
Bolo Tines Assembly
Ref # Part Number Qty DescriptionS/P/F
1 710-0514 Hex Hd. Screw, 3/8-16 x 1 Specify Grade 5 if
2 742-04119 Bolo Tine-single. Left hand tine8 S
3 712-3000 Hex Locknut, 3/8-1618 S
4 710-0606 Hex Hd. Screw, 1/4-20 x 1.52 /P
5 710-3096 Hex Hd. Screw, 3/8-16 x 2, Grade 82 /P
6 712-04064 Hex Locknut, Flange, 1/4-202 /P
7 742-04118 Bolo Tine-single. Right hand tine8 S
8 686-04067 Tine Holder. For left and right sides2 /P
9 634-04232 Wheel Assembly, 13 x 5 x 62 S
1901118 Bolo Tine Replacement Set (Incl. 8 ea. RH &
16 /P
ordering parts locally.
1 S
LH tines & 16 ea. Refs. 1 & 3)
GW-2475-1 Custom Tilling Bolo Tine, LH tine Specify
GW-2475-2 Custom Tilling Bolo Tine, RH Specify Grade
GW-10802 Custom Tilling Bolo Tine Replacement Set
8 S
Grade 5 if ordering parts locally.
8 S
5 if ordering parts locally.
1 /P
(Incl. 8 ea. RH & LH custom tines & 16 each
of Refs. 1 & 3)
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 3 of 19
Bumper Attachment
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 4 of 19
Bumper Attachment
Ref # Part Number Qty DescriptionS/P/F
1 749-04193 Bumper1 S
2 712-04063 Lock Nut - Hex, Nylon, 5/16-18 Specify
3 710-0395 Screw - hex hd., 5/16-18 x 2-1/44 /P
4 736-0119 Lockwasher - 5/164 S
5 712-04063 Lock Nut - Hex, Nylon, 5/16-18 Specify
4 /P
Grade 5 if ordering parts locally.
4 /P
Grade 5 if ordering parts locally.
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 5 of 19
Drive Shaft Assembly
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 6 of 19
Drive Shaft Assembly
Ref # Part Number Qty DescriptionS/P/F
1 GW-1714 Bearing, Tapered Roller with Race1 S
2 GW-20718 Spur Gear1 S
3 GW-9301 Key, 3/16 sq. x 11 S
4 GW-20912 Main Drive Shaft, Also incl. Pressed-on
1
GW-1714 & GW-9301 Drive shaft is
one-piece with integral, single-lead,
work-hardened front worm, and integral,
six-lead, work-hardened rear worm.
5 GW-1224-1 Shim, Rear Bearing Cap, .010" thick As
5 GW-1224-2 Shim, same as above, but .030" thick As
5 GW-1224-3 Shim, same as above, but .005" thick As
5 GW-1325C Shim Set (Incl. two GW-1224-1; two 1224-2 &
1 S
Required; Shim between drive shaft rear
bearing and rear bearing cap to achieve 5 to
10 thousandths of an inch (.005-.001) end
play on drive shaft.
1 S
Required; Shim between drive shaft rear
bearing and rear bearing cap to achieve 5 to
10 thousandths of an inch (.005-.001) end
play on drive shaft.
1 S
Required; Shim between drive shaft rear
bearing and rear bearing cap to achieve 5 to
10 thousandths of an inch (.005-.001) end
play on drive shaft.
1 /P
one GW-1224-3 As Required; Shim between
drive shaft rear bearing and rear bearing cap
to achieve 5 to 10 thousandths of an inch
(.005-.001) end play on drive shaft.
6 710-04458 Hex Hd. Screw, 5/16-24 x 1-1/8 As Required,
7 736-04193 Washer, Disc Spring (concave suface faces
8 714-04042 Key, 3/16 sq. x 1-1/21 S
9 1916522 Transmission Drive Pulley1 S
10 736-04079 Support Washer1 /P
11 721-04044 Oil Seal, Input Pinion Shaft1 S
12 1113527 Retaining Ring (external)1 S
13 GW-9953 Thrust Washer2 /P
14 GW-9428 Bushing1 /P
15 GW-9677 Set Screw, 5/16-18 x 3/8 Specify Grade 5 if
16 GW-20791 Input Pinion (steel shaft)1 /P
17 GW-20792 Input Pinion Gear1 S
18 GW-9093 Retaining Ring (external)1 /P
19 GW-20799 Pinion Assy. (Incl. one each Refs. 16, 17 & 18
20 GW-9517 Retaining Ring (internal)1 S
1 S
Specify Grade 5 if ordering part locally.
1 /P
pulley)
1 /P
ordering part locally.
1 /P
As Required
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 7 of 19
Electric Start Assembly
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 8 of 19
Electric Start Assembly
Ref # Part Number Qty DescriptionS/P/F
1 1186073 Carriage Screw, 1/4-20 x 1.252 /P
2 1186211 Hex Nut, 5/16-242 /P
3 1186309 Flange Screw, 1/4-20 x .6252 /P
4 1186389 Hex Locknut, 1/4-202 /P
5 1901202 Cable (ground wire to starter motor bracket)2 /P
7 725-04346 Wire Harness Assy. (available as complete
8 1917262 Ground Wire Assy. (shut off)1 /P
9 686-04024 Battery Bracket Assembly, Pony1 S
10 710-0599 Self-tapping Screw, 1/4-20 x .53 /P
11 712-3006 Hex Nut, 1/4-202 /P
12 725-0157 Cable Tie1 /P
13 725-0267B Ignition Switch1 S
14 725-1706A Battery, 270 CCA1 S
15 736-0119 Lock Washer 5/162 S
16 736-0147 Lock Washer, #101 S
17 736-0607 External Lock Washer, 5/162 /P
18 GW-2614 Keyswitch Clamp1 S
19 GW-96510 Cable (solenoid to starter motor)1 /P
20 GW-96514 Solenoid (Incl. nuts and washers for cable &
1
ass'y only). Incl. Wire ass'y. w/connector to
large solenoid stud (red wire); wire ass'y
w/connector to solenoid grounding screw (red
wire); wire ass'y. w/connector to engine
ground shut-off (green wire); plastic protector
tube: wire terminal.
1 S
wires)
21 GW-97020 Boot, Insulating2 /P
22 GW-9853 Hex Locknut, #10-321 /P
777S30648 Label, Ignition Switch1 /P
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 9 of 19
Engine Accessories and Drive
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 10 of 19
Engine Accessories and Drive
Ref # Part Number Qty DescriptionS/P/F
1 710-0539 Screw, 3/8-24 x 1.75 For Models 663E &
1 710-04458 Screw, 5/16-24 x 1.125 For Model 665B1 S
2 786-04070 Bracket, Clutch Cable1 S
3 736-0119 Lockwasher-5/166 S
4 710-0107 Hex Hd. Screw, 5/16-24 x 1/22 /P
5 777S30651 Decal, Hot Surfaces/Belt Warning1
6 731-05290 Cover1 /P
7 712-3004A Flange Lock Nut, 5/16-182 /P
8 714-04042 Key, 3/16 x 1-1/2 For Model 665B1 S
9 736-04187 Shim1 /P
10 619-04015 Pulley, Engine Drive For Models 663E &
1 /P
E663E
1 S
E663E
10 619-04130 Pulley, Engine Drive For Model 665B1 /P
11 736-04193 Belleville Washer For Model 665B2 /P
12 710-04458 Hex Hd. Screw, 5/16-24 x 1-1/81 S
13 710-3103 Hex Hd. Screw, 5/16-18 x 21 /P
14 786-04276 Reverse Idler Arm1 /P
15 756-04169 Pulley, Reverse Idler1 S
16 736-0159 Flat Washer, 5/162 S
17 732-04081 Belt Guide, Wire Formed1 /P
18 710-0117 Hex Head Screw, 5/16-24 x 11 S
19 748-04087 Washer, Shoulder1 S
20 736-3078 Washer, Flat, 1-1/83 /P
21 732-04077 Spring, Reverse Return1 /P
22 619-04123 Transmission Pulley1 /P
23 736-04079 Support Washer1 /P
24 754-04095 Reverse Clutch Belt1 S
25 754-04094 Forward Clutch Belt1 S
26 710-04459 Self-tapping Screw, #10-32 x 1/2,4 S
27 786-04080 Guard, Belts/Pulleys1 S
28 712-04063 Hex Flange Nut, 5/16-184 /P
29 710-04043 Hex Flange Screw, 5/16-18 x 3/4 Specify
30 786-04066 Engine Support Bracket, left side1 S
31 786-04067 Engine Support Bracket, right side1 S
32 736-0452 Bell Washer For Models 663E & E663E1 S
35 710-0395 Hex Hd. Screw, 5/16-18 x 2-1/45 /P
36 777I20358 Decal, Stabilization1
37 786-04277 Mounting Bar2 S
38 710-1260 Hex Flange Screw, 5/16-18 x .754 S
39 710-0805 Hex Hd. Screw, 5/16-18 x 1-1/2 Specify
4 /P
Grade 5 if ordering part locally
1 /P
Grade 5 if ordering part locally
40 736-0275 Flat Washer, 5/16'1 S
41 732-04082 Belt Guide, Pony2 /P
42 750-04160 Pivot Bushing2 S
43 714-04029 Key, .188 x 1.75 For Models 663E & E663E1 S
44 712-3010 Hex Nut, 5/16-182 S
45 748-04087 Washer, Shoulder2 S
46 786-04275 Idler Arm, Forward Tiller Direction1 S
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 11 of 19
Engine Accessories and Drive
Ref # Part Number Qty DescriptionS/P/F
47 710-04460 Screw, self tapping, #10-24 Secures Forward
48 732-04078 Spring1 S
49 712-3000 Hex Locknut, 5/16-181 S
50 756-04170 Idler Pulley, Forward1 /P
51 710-0347 Screw, 3/8-16 x 1-3/41 /P
52 712-0158 Hex Lock Nut, 5/16-181 S
53 710-04461 Screw, 1/4-20 x 3/41 S
54 736-0463 Flat Washer-1/41 S
1 S
Cluch Cable PN 746-04027
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 12 of 19
Handlebar & Control Levels Assembly
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 13 of 19
Handlebar & Control Levels Assembly
Ref # Part Number Qty DescriptionS/P/F
1 1918801 Handlebars1 S
2 720-0274 Grip2 /P
3 777I22624 De cal, Control Panel1
3A 777D09943 Decal, Model Name/Logo For Model 663E1
3A 777D09940 Decal, Model Name/Logo For Model 665B1
4 1916784 Reverse Clutch Control Cable1 S
5 1186347 Height Adjustment Screw1 S
5A GW-9955 Washer, Keyed1 S
6 1900475001 Bracket, Handlebar Height Adjustment1 S
7 710-0514 Hex Hd. Screw, 3/8-16 x 1 Specify Grade 5 if
8 736-3050 Washer, Plain (flat) 3/8, S.A.E.2 /P
9 712-3000 Hex Locknut, 3/8-162 S
10 746-04027 Cable, Forward Clutch Control1 S
13 GW-9442 Wheel Gear Control and Cable Assy1 S
14 GW-9057 Knob, Wheel Gear Control Lever1 /P
15 1186211 Hex Nut, 5/16-242 /P
16 GW-90064 Hex Hd. Screw, 3/8-16 x 5/8 Specify Grade 5
2 /P
ordering part locally
2
if ordering part locally
17 736-0169 Lockwasher, 3/82 S
19 725-0157 Cable Ties, Plastic2 /P
21 1114748 Round Hd. Screw, #10-32 x 1/26 /P
22 1100240 Lockwasher, #102 /P
23 1186208 Hex Nut, #10-322 /P
24 GW-9390 Grip2 /P
25 1918840 Bail w/ Grips, Forward Clutch Control .1 /P
35 GW-9853 Sems Nut4 /P
36 GW-20806 Bracket, Bail Support2 /P
42 710-0599 Hex Flange Screw, self-tapping, 1/4-20 x 1/2"2 /P
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 14 of 19
Hood Assembly
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 15 of 19
Hood Assembly
Ref # Part Number Qty DescriptionS/P/F
1 686-04078 Tine Hood1 S
2 710-0169 Lockwasher, 3/82 S
3 GW-1925 Bracket - hood & depth regulator1
4 710-04049 Hex Flange Screw, 5/16-18 x 5/8 Specify
5 712-04064 Hex Locknut, 1/4-201 /P
6 710-0597 Hex Hd. Screw, 1/4-20 x 1 Specify Grade 5 if
7 732-04320 Spring1 /P
8 750-04556 Spacer1
9 715-04034 Roll Pin (spiral), 1/4 x 11 /P
10 GW-1117A Depth Adjustment Bar Assembly (Incl. Refs.
2 /P
Grade 5 if ordering parts locally.
1 /P
ordering parts locally.
1 S
11 & 12)
11 GW-9120 Retaining Ring (tolerance ring)1 /P
12 GW-9119 Knob, Depth Regulator1 /P
13 710-3005 Hex Hd. Screw, 3/8-16 x 1-1/4 Specify Grade
14 GW-1113-1 Bushing, Drag Bar2 S
15 712-04065 Hex Nut, 3/8-162 /P
16 GW-20775 Drag Bar1 S
17 777S30649 Decal, operating instructions1 /P
18 710-0759 Hex Hd. Screw, self-tapping, 5/16-18 x 5/8"
19 710-0599 Hex Flange Screw, self-tapping,1/4-20 x 1/2"2 /P
2 /P
5 if ordering parts locally.
2
Specify Grade 5 if ordering parts locally.
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 16 of 19
Transmission Housing
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 17 of 19
Transmission Housing
Ref # Part Number Qty DescriptionS/P/F
1 721-04031 Oil Seal (Double Lip), Wheel Shaft2 S
2 1105620 Pipe Plug, 1/42 /P
3 721-04001 Seal, Transmission Bore1 /P
4 710-04043 Hex Flange Screw, 5/16-18 x 3/4 Specify
5 721-04044 Oil Seal, Input Pinion Shaft1 S
6 GW-20910 Transmission Cover1 S
7 GW-20694 Gasket, Transmission Top Cover1 /P
8 619-04010 Transmission Case Assy1 S
9 GW-9467 Plug1 /P
10 1917101001 Mounting Plate, Wheel Clutch Cable1 /P
11 721-04035 Oil Seal, Tiller Shaft2 S
12 710-04049 Screw, Hex Flange, 5/16-18 x 5/8"2 /P
13 GW-20873 Cover, Tiller Housing1 /P
15 1915069 Self-Sealing Screw, 1/4-20 x 7/8"3 /P
16 GW-1115 Rear Bearing Cap1 S
17 GW-1124-2 Gasket, Rear Bearing Cap,.010" As Required1 S
18 710-1260A Hex Flange Screw, 5/16-18 x 3/4 Specify
6 /P
Grade 5 if ordering part locally.
4 /P
Grade 5 if ordering part locally.
19 1915068 Self-Sealing Screw, 1/4-20 x 5/8'5 /P
21 736-0169 Lockwasher, 3/82 S
22 GW-90064 Hex Hd. Screw, 3/8-16 x 5/8 Specify Grade 5
2
if ordering part locally.
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 18 of 19
Wheel & Tiller Shaft Assemblies
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21AE663E766 6.5HP Elec Roto-Tiller (2007) Page 19 of 19
Wheel & Tiller Shaft Assemblies
Ref # Part Number Qty DescriptionS/P/F
1 721-04031 Oil Seal2 S
2 1909950 Retaining Ring (heavy-duty, external)2 S
3 GW-1166-1 Shim, 1-1/64 I.D., .062" thick As Required1 S
3 GW-1166-2 Shim, as above, but .030" thick As Required1 /P
3 GW-1166-3 Shim, as above, but .015" thick As Required1 /P
3 GW-1166-4 Shim, as above, but .010" thick As Required1 S
4 GW-1086 Bushing2 S
5 711-04482 Wheel Shaft1 S
6 GW-9373 Hi-Pro Key, 1/4 x 1-5/161 /P
7 GW-20914 Wheel Drive Worm Gear (cast-iron)1 /P
8 GW-9935 Shim (between key and gear), 1.016 I.D. x
9 GW-20712 Wheel Drive Clutch (cast-iron)1 /P
10 611-04002 Eccentric Shaft1 /P
11 GW-1442 Pin, Eccentric Shaft1 S
12 GW-9055 Spring1 /P
13 721-04034 Oil Seal1 S
14 786-04001 Eccentric Shaft Lever1 /P
15 710-3013 Hex Hd. Screw, 1/4-20 x 1/2 Specify Grade 5
1 /P
1.468 O.D. x.062 Thick
1 /P
if oredering part locally.
16 741-3037 Ball Bearing2 S
17 711-04080 Tiller Shaft1 S
18 GW-1104 Woodruff Key, 1/4 x 1-1/41 /P
19 GW-20913 Tiller Drive Worm Gear (bronze)1 /P
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