21
Model S621 SS
15
2
8
1
4
11
3
13
10
12
17
18
5
7
16
14
6
9
19
Ref.
No.
Part No. Part Description
1. 746-0939 6 Spd. Cable
2. 656-0613 Pulley Ass’y Multi- Spd.
3. 710-0167 Scr. 1/4-20 x .50 Carr.
4. 710-0896 Scr. AB 1/4-14 x .625 Hxinwsh
5. 711-1114 Pivot Shaft
6. 712-3006 Nut 1/4-20
7. 732-0807 Torsion Spring LH
8. 736-0270 Bell Wash. .265 X .75 X .062
9. 736-0329 Lock Wash. 1/4 Reg Duty
10. 736-0526 Wave Wash. 1.38 x .88 x .029
11. 738-0924 Shld.Scr. .375 x1/4-14AB
12. 750-1070 Slev Spcr .88 IDx1.00 OD x.48
13. 750-1071 Slev Spcr .88ID x1.13ID x .12
14. 756-0625 Roller Cable
15. 782-7574A 6 Spd. Cable Adj. Bracket
16. 782-7575A 6 Spd. Cable Mt. Bracket
17. 782-7596 6 Sp. Control Arm
18. 782-7597 6 Sp. Pivot Bracket
19. 712-0138 Hex Nut 1/4-28
34
Ref.
No.
Part No. Part Description
1. 712-3025 Hex Jam Nut 5/16-24
2. 736-0425 Bell Washer .325 x .930
3. 756-0656 Pulley
4. 736-3084 Flat Washer .510 x 1.120
5. 712-0896 Hex Jam Nut 1/4-28
6. 782-7598 Belt Keeper
7. 741-0600 Bearing
8. 750-1050 Flange Spacer
9. 682-0027A Idler Bracket Assembly
10. 710-0299 Hex Cap Screw 1/4-28x 1.0
11. 732-0849A Extension Spring
12. 741-0682A Bearing Sleeve
13. 736-0570 Flat Washer .885 x 1.45
14. 721-0329 Oil Seal
15. 618-0253 Upper Housing Assembly
16. 736-0616 Thrust Washer .504 x .70
17. 717-1487 Pinion Shaft 10T
18. 736-0314 Thrust Washer 3/8 x .70
19. 736-0569 Thrust Washer .388 x .625
20. 618-0252 Lower Housing Assembly
21. 710-0642 Hex Screw 1/2-20 x .75
22. 782-7601A Cable Bracket
23. 741-0674 Bearing
24. 611-0066 Shaft Assembly
25. 721-0325 Plug
26. 717-1469 Gear 34T
27. 711-1168 Output Shaft 6T
28. 741-0673 Flange Bearing
29. 721-0329 Oil Seal
30. 782-7595 Pivot Bracket
31. 741-0324 Flange Bearing
32. 736-0369 Flat Washer .508 ID x 1.0
33. 741-0690 Bearing
34. 618-0263A Transmission Assy. Complete
IMPORTANT: For a proper
working machine, use
Factory Approved Parts.
V-BELTS are specially de-
signed to engage and disen-
gage safely. A substitute
(non OEM) V-Belt can be
dangerous by not disengag-
ing completely.