Troy-Bilt 21A 662D066 250cc Roto Tiller Parts manual (2008)
For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21A-662D066 250cc Roto-Tiller (2008) Page 1 of 11
Drive System
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21A-662D066 250cc Roto-Tiller (2008) Page 2 of 11
Drive System
Ref # Part Number Qty DescriptionS/P/F
1 710-0331 Hex Screw, 3/8 -24 x 2.25 Model 6621 /P
1 710-0539 Screw, 3/8 -24 x 1.75 Model 6631 /P
1 710-04458 Screw, 5/16-24 x 1.25 Model 6651 S
2 786-04070 Clutch Cable Bracket1 S
3 736-0119 Lockwasher, 5/161 S
4 710-0107 Hex Head Screw,5/16-24 x 1/21 /P
5 731-05290 Cover1 /P
6 712-3004A Flange Lock Nut, 5/16-181 /P
7 714-0139 Key, 3/16-2 Model 6621 /P
7 714-04029 Key, 3/16 x 1.75 Model 6631 S
7 714-04042 Key, 3/16 x 1.5 Model 6651 S
8 736-04187 Shim1 /P
9 619-04130 Engine Pulley Model 662 & Model 6651 /P
9 619-04015 Engine Pulley Model 6631 S
10 736-0452 Belle. Washer, .344 x 1.0 x .063 Model 662 &
1 S
Model 663
10 736-04193 Belle. Washer .827 x .331 x .098 Model 6651 /P
11 710-04458 Hex Head Screw, 5/16-24 x 1-1/81 S
12 710-3103 Hex Head Screw, 5/16-18 x 21 /P
13 786-04276 Reverse Idler Arm1 /P
14 756-04169 Reverse Idler Pulley1 S
15 736-0159 Flat Washer, 5/161 S
16 732-04081 Wire Formed Belt Guide1 /P
17 710-0117 Hex Head Screw, 5/16-24 x 11 S
18 726-0201 Speed Nut, .31251
19 736-3078 Flat Washer, 1-1/81 /P
20 732-04077 Reverse Return Spring1 /P
21 619-04123 Transmission Pulley1 /P
22 736-04079 Support Washer1 /P
23 754-04095 Reverse Clutch Belt1 S
24 754-04094 Forward Clutch Belt1 S
25 710-04459 Self-tapping Screw, #10-32 x 1/21 S
26 786-04080 Belts/Pulleys Guard1 S
27 712-04063 Hex Flange Nut, 5/16-181 /P
28 710-04043 Hex Flange Screw, 5/16-18 x 3/41 /P
29 786-04066 Engine Support Bracket (left side)1 S
30 786-04067 Engine Support Bracket (right side)1 S
31 714-04042 Key, 3/16 x 1.501 S
32 710-0395 Hex Head Screw, 5/16-18 x 2-1/41 /P
33 786-04277 Mounting Bar1 S
34 710-1260 Hex Flange Screw, 5/16-18 x .751 S
35 710-0805 Hex Head Screw, 5/16-18 x 1-1/21 /P
36 736-0275 Flat Washer, 5/161 S
37 732-04082 Belt Guide1 /P
38 750-04160 Pivot Bushing1 S
39 736-0119 Lock Washer, 5/161 S
40 712-3010 Hex Nut, 5/16-181 S
41 748-04087 Shoulder Washer1 S
42 786-04275 Forward Tiller Direction Idler Arm1 S
43 710-04460 Self-tapping Screw, #10-241 S
44 732-04078. Spring1
45 712-3000 Hex Locknut, 5/16-181 S
46 756-04170 Forward Idler Pulley1 /P
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21A-662D066 250cc Roto-Tiller (2008) Page 3 of 11
Drive System
Ref # Part Number Qty DescriptionS/P/F
47 710-0347 Screw, 3/8-16 x 1-3/41 /P
48 712-0158 Hex Lock Nut, 5/16-181 S
49 710-04461 Screw, 1/4-20 x 3/41 S
50 736-0463 Flat Washer, 1/41 S
51 736-04193 Belleville Washer, .827 x .331 x .0981 /P
52 710-0514 Hex Head Screw, 3/8-16 x 11 /P
53 742-04119 Bolo Tine-single (Left)1 S
54 712-3000 Hex Locknut, 3/8-161 S
55 710-0606 Hex Head Screw, 1/4-20 x 1.51 /P
56 710-3096 Hex Head Screw, 3/8 -16 x 21 /P
57 712-04064 Flange Hex Locknut, 1/4-201 /P
58 742-04118 Bolo Tine-single (Right)1 S
59 686-04067 Tine Holder1 /P
60 N/A Wheel Assembly, 13 x 5 x 61
60 634-04218 Rim Assembly not shown1
60 734-0255 Air Valve not shown1 S
60 734-04163 Tire, 13 x 5 x 6 not shown1 S
61 749-04193 Bumper1 S
62 712-04063 Hex Lock Nut, 5/16-181 /P
63 710-0395 Hex Screw, 5/16-18 x 2-1/41 /P
64 726-0201 Speed Nut, .31251
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For Discount Troy Bilt Parts Call 606-678-9623 or 606-561-4983
21A-662D066 250cc Roto-Tiller (2008) Page 4 of 11
Handle & Tine Shield
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