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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 1 of 21
Bolo Tines, Wheels
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 2 of 21
Bolo Tines, Wheels
Ref # Part Number Qty Description S/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 tine 8 S
3 712-3000 Hex Locknut, 3/8-16 18 S
4 710-0606 Hd. Screw, 1/4-20 x 1.5 2 /P
5 710-3096 Hex Hd. Screw, 3/8-16 x 2, Grade 8 2 /P
6 712-04064 Hex Locknut, Flange, 1/4-20 2 /P
7 742-04118 Bolo Tine-single. Right hand tine 8 S
8 1902154 Tine Holder. For left and right sides 2 S
9 634-04232 Wheel Assembly, 13 x 5 x 6 2 S
1901118 Bolo Tine Replacement Set (Includes 8 each
16 /P
ordering part locally.)
1 S
right hand and left hand tines, and 16 each
Refs. 1 and 3)
GW-2475-1 Custom Tilling Bolo Tine, Left hand tine. See
GW-2475-2 Custom Tilling Bolo Tine, Right hand tine.
GW-10802 Custom Tilling Bolo Tine Replacement Set
8 S
note
8 S
See note
1 /P/F
(Incl. 8 each right hand left hand custom
tines, and 16 each of Refs 1 and 3) See note
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 3 of 21
Bumper Attachment
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 4 of 21
Bumper Attachment
Ref # Part Number Qty Description S/P/F
1 749-04193 Bumper 1 S
2 712-04063 Lock Nut-Hex, Nylon, 5/16-18 (specify Grade
3 710-0395 Screw-hex hd., 5/16-18 x 2 1/4 4 /P
4 736-0119 Lockwasher-5/16 4 S
5 712-04063 Lock Nut-Hex, Nylon, 5/16-18 (specify Grade
4 /P
5 if ordering part locally)
4 /P
5 if ordering part locally)
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 5 of 21
Drive Shaft, Input Pinion Shaft and Gear Assemblies
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 6 of 21
Drive Shaft, Input Pinion Shaft and Gear Assemblies
Ref # Part Number Qty Description S/P/F
1 GW-1714 Bearing, Tapered Roller with Race 1 S
2 GW-20718 Spur Gear 1 S
3 GW-9301 Key, 3/16 sq x 1 1 S
4 GW-20912 Main Drive Shaft A/R F
5 GW-1224-1 Shim, Rear Bearing Cap, .010" A/R S/F
5 GW-1224-2 Shim, same as above, but .030" thick A/R S/F
5 GW-1224-3 Shim, same as above, but .005 thick A/R S/F
5 GW-1325C Shim Set (Incl. two 1224-2 and one
A/R /P
GW-1224-3)
6 710-04458 Hex Hd. Screw, 5/16-24 x 1-1/8 (Specify
7 736-04193 Washer, Disc Spring (concave surface faces
8 714-04042 Key, 3/16 sq x 1-1/2 1 S
9 1916522 Transmission Drive Pulley 1 S
10 736-04079 Support Washer 1 /P
11 721-04044 Oil Seal, Input Pinion Shaft 1 S
12 1113527 Retaining Ring (external) 1 S
13 GW-9953 Thrust Washer 2 /P
14 GW-9428 Bushing 1 /P
15 GW-9677 Set Screw, 5/16-18 x 3/8 (Specify GRADE 5
16 GW-20791 Input Pinion (steel shaft) 1 /P
17 GW-20792 Input Pinion Gear 1 S
18 GW-9093 Retaining Ring (external) 1 /P
19 GW-20799 Pinion Assy. (Incl. One each refs. 16, 17 &
20 GW-9517 Retaining Ring (internal) 1 S
1 S
GRADE 5 if ordering part locally)
1 /P
pulley)
1 /P
if ordering part locally)
A/R /P
18)
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 7 of 21
Electrical Start Assembly
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 8 of 21
Electrical Start Assembly
Ref # Part Number Qty Description S/P/F
1 1186073 Carriage Screw, 1/4-20 x 1.25 2 /P
2 1186211 Hex Nut, 5/16-24 2 /P
3 1186309 Flange Screw, 1/4-20 x .625 2 /P
4 1186389 Hex Locknut, 1/4-20 2 /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, Pony 1 S
10 710-0599 Self-tapping Screw, 1/4-20 x .5 3 /P
11 712-3006 Hex Nut, 1/4-20 2 /P
12 725-0157 Cable Tie 1 /P
13 725-0267B Ignition Switch 1 S
14 725-1706A Battery, 270 CCA 1 S
15 736-0119 Lock Washer 2 S
16 736-0147 Lock Washer, #10 1 S
17 736-0607 External Lock Washer 5/16 2 /P
18 GW-2614 Keyswitch Clamp 1 S
19 GW-96510 Cable (solenoid to starter motor) 1 /P
20 GW-96514 Solenoid (Incl. nuts and washers for cables
2 F
assembly only).
1 S
and wires)
21 GW-97020 Boot, Insulating 2 /P
22 GW-9853 Locknut, #10-32 1 /P
777S30648 Label, Ignition Switch 1 /P
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 9 of 21
Engine, Support Brackets, Pulleys, Belt, Belt Cover
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 10 of 21
Engine, Support Brackets, Pulleys, Belt, Belt Cover
Ref # Part Number Qty Description S/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 665B) 1 S
2 786-04070 Bracket, Clutch Cable 1 S
3 736-0119 Lockwasher 5/16 6 S
4 710-0107 Hex Hd. Screw, 5/16-24 x 1/2 2 /P
5 777S30651 Decal, Hot Surfaces/Belt Warning 1
6 731-05290 Cover 1 /P
7 712-3004A Flange Lock Nut, 5/16-18 2 /P
8 714-04042 Key, 3/16 x 1-1/2 (for model 665B) 1 S
9 736-04187 Shim 1 /P
10 619-04015 Pulley, Engine Drive (for Models 663E &
1 /P
E663E)
1 S
E663E)
10 619-04130 Pulley, Engine Drive (for model 665B) 1 /P
11 736-04193 Belleville Washer (for model 665B) 2 /P
12 710-04458 Hex Hd. Screw, 5/16-24 x 1-1/8 1 S
13 710-3103 Hex Hd. Screw, 5/16-18 x 2 1 /P
14 786-04276 Reverse Idler Arm 1 /P
15 756-04169 Pulley, Reverse Idler 1 S
16 736-0159 Flat Washer, 5/16 2 S
17 732-04081 Belt Guide, Wire Formed 1 /P
18 710-0117 Hex Head Screw, 5/16-24 x 1 1 S
19 748-04087 Washer, Shoulder 1 S
20 736-3078 Washer, Flat 1-1/8 3 /P
21 732-04077 Spring, Reverse Return 1 /P
22 619-04123 Transmission Pulley 1 /P
23 736-04079 Support Washer 1 /P
24 754-04095 Reverse Clutch Belt 1 S
25 754-04094 Forward Clutch Belt 1 S
26 710-04459 Self-tapping Screw #10-32 x 1/2 4 S
27 786-04080 Guard, Belts/Pulleys 1 S
28 712-04063 Hex Flange Nut, 5/16-18 (specify GRADE 5 if
29 710-04043 Hex Flange Screw, 5/16-18 4 /P
30 786-04066 Engine Support Bracket, left side 1 S
31 786-04067 Engine Support Bracket, right side 1 S
32 736-0452 Bell Washer (for Models 663E & E663E) 1 S
35 710-0395 Hex Hd. Screw, 5/16-18 x 2-1/4 5 /P
36 777I20358 Decal, Stabilization 1
37 786-04277 Mounting Bar 2 S
38 710-1260 Hex Flange 5/16-18 x .75 4 S
39 710-0805 Hex Hd. Screw, 5/16-18 x 1-1/2 (specify
4 /P
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, Pony 2 /P
42 750-04160 Pivot Bushing 2 S
43 714-04029 Key, .188 x 1.75 (for Models 663E & E663E) 1 S
44 712-3010 Hex Nut, 5/16-18 2 S
45 748-04087 Washer, Shoulder 2 S
46 786-04275 Idler Arm, Forward Tiller Direction 1 S
47 710-04460 Screw, self tapping, #10-24 1 S/F
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 11 of 21
Engine, Support Brackets, Pulleys, Belt, Belt Cover
Ref # Part Number Qty Description S/P/F
48 732-04078 Spring 1 S
49 712-3000 Hex Locknut, 5/16-18 1 S
50 756-04170 Idler Pulley, Forward 1 /P
51 710-0347 Screw, 3/8-16 x 1-3/4 1 /P
52 712-0158 Hex Lock Nut, 5/16-18 1 S
53 710-04461 Screw, 1/4-20 x 3/4 1 S
54 736-0463 Flat Washer, 1/4 1 S
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 12 of 21
Handlebar Assembly and Control Levers
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 13 of 21
Handlebar Assembly and Control Levers
Ref # Part Number Qty Description S/P/F
1 1918801 Handlebars 1 S
2 GW-9126 Grip 2 S
3 777I22624 Decal, Control Panel 1
3A 777D09943 Decal, Model Name/Logo (for model 663E) 1
3A 777D09940 Decal, Model Name/Logo (for model 665B) 1
4 1916784 Reverse Clutch Control Cable 1 S
5 1186347 Height Adjustment Screw 1 S
5A GW-9955 Washer, Keyed 1 S
6 1900475001 Bracket, Handlebar Height Adjustment 1 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, 3/8-16 2 S
10 746-04027 Cable, Forward Clutch Control 1 S
13 GW-9442 Wheel Gear Control and Cable Assembly 1 S
14 GW-9057 Knob, Wheel Gear Control Lever 1 /P
15 1186211 Hex Nut, 5/16-24 2 /P
16 GW-90064 Hex Hd. Screw, 3/8-16 x 5/8 (specify Grade
2 /P
ordering part locally)
2
5 if ordering part locally)
17 736-0169 Lockwasher, 3/8 2 S
19 725-0157 Cable Ties, Plastic Screw, #10-32 x 1/2 2 /P
21 1114748 Round Hd. Screw #10-32 x 1/2 6 /P
22 1100240 Lockwasher, #10 2 /P
23 1186208 Hex Nut, #10-32 2 /P
24 GW-9390 Grip 2 /P
25 1918840 Bail w/ Grips, Forward Clutch Control 1 /P
35 GW-9853 Sems Nut 4 /P
36 GW-20806 Bracket, Bail support 2 /P
42 710-0599 Hex Flange Screw, self-tapping, 1/4-20 x
2 /P
1/2*
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 14 of 21
Hood, Bracket and Depth Regulator
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 15 of 21
Hood, Bracket and Depth Regulator
Ref # Part Number Qty Description S/P/F
1 686-04013 Tine Hood 1
2 710-0169 Lockwasher, 3/8 1 S
3 GW-1925 Bracket-hood & depth regulator 1
4 710-04049 Hex Flange screw 5/16-18 x 5/8 (Specify
5 712-04064 Hex Locknut, 1/4-20 1 /P
6 710-0597 Hex Hd. Screw, 1/4-20 x 1 1 /P
7 732-04320 Spring 1 /P
8 750-04556 Spacer 1
9 715-04034 Roll Pin (spiral), 1/4 x 1 1 /P
10 GW-1117A Depth Adjustment Bar Assembly (Incl. Refs.
11 GW-9120 Retaining Ring (tolerance ring) 1 /P
12 GW-9119 Knob, Depth Regulator 1 /P
13 710-3005 Hex Hd. Screw, 3/8-16 x 1-1/4 (Specify
1 /P
GRADE 5 if ordering part locally)
1 S
11 and 12)
1 /P
GRADE 5 if ordering part locally)
14 GW-1113-1 Bushing, Drag Bar 1 S
15 712-04065 Hex Nut, 3/8-16 1 /P
16 GW-20775 Drag Bar 1 S
17 777S30649 Decal, operating instructions 1 /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
1
(Specify GRADE 5 if ordering part locally)
1 /P
(Specify GRADE 5 if ordering part locally)
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 16 of 21
Quick Reference Tecumseh
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 17 of 21
Quick Reference Tecumseh
Ref # Part Number Qty Description S/P/F
TC-34645 Spark Plug 1 /P
TC-36634 Pre Filter 1 /P
TC-36046 Air Filter 1 /P
N/A Fuel Filter 1
754-04095 Drive Belt - FWD 1 S
754-04094 Drive Belt - REV 1 S
756-04170 Idler Pulley 1 /P
746-04027 Clutch Cable - FWD 1 S
1916784 Clutch Cable - REV 1 S
742-04118 Tines - LH 1 S
742-04119 Tines - RH 1 S
1902154 Tine Holder 1 S
N/A Rim 1
N/A Tire 1
634-04232 Wheel Assembly 1 S
GW-9126 Foam Grip 1 S
N/A Shift Control Knob 1
N/A Handle Knob 1
1901118 Complete Bolo Tine Kit Incl. All Hardware 1 S
GW-10802 Complete Custom Tine Kit Incl. All Hardware 1 /P
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 18 of 21
Transmission Housing, Covers, Seals, Gaskets, Plugs
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 19 of 21
Transmission Housing, Covers, Seals, Gaskets, Plugs
Ref # Part Number Qty Description S/P/F
1 721-04031 Oil Seal (Double Lip) Wheel Shaft 1 S
2 1105620 Pipe Plug, 1/4, 2 /P
3 721-04001 Seal, Transmission Bore 2 /P
4 710-04043 Hex Flange Screw, 5/16-18 x 3/4 (Specify
5 721-04044 Oil Seal, Input Pinion Shaft 6 S
6 1916193001 Transmission Cover 1 /P
7 GW-20694 Gasket, Transmission Top Cover 1 /P
8 619-04010 Transmission Case Assembly 1 S
9 GW-9467 Plug 1 /P
10 1917101001 Mounting Plate, Wheel Clutch Cable 1 /P
11 721-04035 Oil Seal, Tiller Shaft 2 S
12 710-04049 Screw, Hex Flange, 5/16-18 x 5/8 2 /P
13 GW-20873 Cover, Tiller Housing 1 /P
15 1915069 Self-Sealing Screw, 1/4-20 x 7/8" 3 /P/F
16 GW-1115 Rear Bearing Cap 1 S
17 GW-1124-2 Gasket, Rear Bearing Cap, .010" A/R S
18 710-1260A Hex Flange Screw, 5/16-18 x 3/4 (Specify
1 /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/F
21 736-0169 Lockwasher, 3/8 2 S
22 GW-90064 Hex Hd. Screw, 3/8-16 x 5/8 (Specify
2
GRADE 5 if ordering part locally)
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 20 of 21
Wheel Shaft, Eccentric Shaft and Tiller Shaft Assemblies
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21AE663E766 6.5HP Elec Roto-Tiller (2006) Page 21 of 21
Wheel Shaft, Eccentric Shaft and Tiller Shaft Assemblies
Ref # Part Number Qty Description S/P/F
1 721-04031 Oil Seal 1 S
2 1909950 Retaining Ring (heavy duty external) 1 S
3 GW-1166-1 Shim, 1-1/64 I.D., .062" thick 1 S
3 GW-1166-2 Shim, as above, but .030 thick 1 /P
3 GW-1166-3 Shim, as above, but .015 thick 1 /P
3 GW-1166-4 Shim, as above, but .010 thick 1 S
4 GW-1086 Bushing 1 S
5 711-04482 Wheel Shaft 1 S
6 GW-9373 Hi-Pro Key, 1/4 x 1-5/16 1 /P
7 GW-20914 Wheel Drive Worm (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 Shaft 1 /P
11 GW-1442 Pin, Eccentric Shaft 1 S
12 GW-9055 Spring 1 /P
13 721-04034 Oil Seal 1 S
14 786-04001 Eccentric Shaft Lever 1 /P
15 710-3013 Hex Hd Screw 1/4-20 x 1/2 (specify grade 5 if
1 /P
1.468 O.D. x .062 thick
1 /P
ordering part locally)
16 741-3037 Ball Bearing 1 S
17 711-04080 Tiller Shaft 1 S
18 GW-1104 Woodruff Key, 1/4 x 1-1/4 1 /P
19 GW-20913 Tiller Drive Worm Gear (bronze) 1 /P
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