S&S Cycle

FLYWHEEL REPLACEMENT PARTS FOR 1930–’84 BIG TWIN ENGINES 1. Sprocket Shaft 1930-1954 Including UL SVBT stock & S&S E flywheels

15. Meter Plug

USA 50-8316 ±

.0625" hole. . . . . . . . . . . . . . . . . .0925" hole. . . . . . . . . . . . . . USA no hole. . . . . . . . . . . . . . . . . USA USA USA

(straight–roller bearing) (includes #2, 3, 4) 24001-30 . . . 33-2001 Note: This shaft uses the larger 55-later thread for added strength and includes the motor sprocket nut. The stock nut will not fit. 1955-1964 S&S SE/SL flywheels (includes #5 & 6) (spline - Timkin®). . . . . . . . . . 33-2002 1965-1969 S&S SE/SL flywheels (includes #5 & 6) (spline - Timkin®). . . . . . . . . . 33-2003 1970-1999 S&S SE/SL flywheels (includes #5 &6) (spline - Timkin®) . . . . . . . . . . 33-2004 2. Key. . . . . . . . . . . . . . . . . . . . . . . . . . 50-8224 3. Sprocket Shaft Nut. . . . . . . . . . . . . . . . . . . 33-2031 4. Motor Sprocket Nut. . . . . . . . . . . . . . . . . . . 33-2032 5. Key. . . . . . . . . . . . . . . . . . . . . . . . . 50-8225-S 6. Sprocket Shaft Nut. . . . . . . . . . . . . . . . . . . 33-2033 7. Pinion Shaft 1939-1953 stock/ S&S E flywheels (spline) (includes #8 & 12) Standard. . . . . . . . . . . . . . . . . . . . . . 33-2021 1958-early 1981 stock & S&S L/AL/SE flywheels (tapered) (includes #8, 12, 10, 14, 15) Standard 24006-54A, 24006-73 . . . . . . . . . . . USA 33-2024 .001" OS. . . . . . . . . . . . . . . . . . . . USA 33-2025 Late 1981-1984 stock/ S&S BL/SL/SM flywheels (tapered) (includes #10, 14, 15, 9, 13) Standard. . . . . . . . . . . . . . . . . . . USA 33-2027 8. Key. . . . . . . . . . . . . . . . . . . . . . . . . 50-8224 9. Key 11218 . . . . . . . . . . . . . . . . . . . . . . 50-8222-S 5 pack . . . . . . . . . . . . . . . . . . . . . . . 50-1009 10. Pinion/Oil Pump Key. . . . . . . . . . . . . . . . . 50-8221-S 5 pack . . . . . . . . . . . . . . . . . . . . . . . 50-1008 11. Pinion Shaft Nut. . . . . . . . . . . . . . . . . . . . . . . N/A 12. Pinion Shaft Nut. . . . . . . . . . . . . . . . . . . . 33-2031 13. Pinion Shaft Nut. . . . . . . . . . . . . . . USA USA 1,2 33-2034 14. Bearing Retaining Ring 11177A . . . . . . . . . . . . . . . 50-8057 5 pack . . . . . . . . . . . . . . . . . . . . . . . 50-1004

1,2 50-8317 ±

3 50-8314

±

16. Front Rod Race, 1941-1984 24356-36A USA USA

1,2 . . . . . . . . . . . . . . . . . . . . . 34-4005

17. Rear Rod Race 24345-36A . . . . . . . . . . . 18. Wristpin Bushing 24334-36 . . . . . . . . . . 19. Race & Bushing Set (includes #16, 17, 18) . . . . . . 20. Cage and Bearing Set, Standard 24346-87A, 24385-40B . . USA USA

1,2 34-4006 1,2 34-4007

USA

USA

USA 34-4040 USA 34-4010

21. Crankpin

1937-'53 EL / 1940-'48 UL/ULH models (includes #22 & 23)* Standard. . . . . . . . . . . . . . . . . . . . . . 34-2001 *Stepped crankpin for 1936-’52 (61") engines with stock flywheels. 1941-early 1981 (includes #22 & 23) Standard. . . . . . . . . . . . . . . . . . . USA 34-2003 .001" OS. . . . . . . . . . . . . . . . . . . . . . 34-2007 .002" OS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2008 Late 1981-1984 (includes #10 & 23) Standard. . . . . . . . . . . . . . . . . . . . . . 34-2102 .001" OS. . . . . . . . . . . . . . . . . . . . . . 34-2103 .002" OS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2105 .003" OS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-2106 22. Key. . . . . . . . . . . . . . . . . . . . . . . . . 50-8223-S 23. Crankpin Nut 1937-'53 EL / 1940-'48 UL/ULH models. . . . . . . . . 34-2005 1941-early 1981 & late 1981-1984 USA USA 1,2 . . . . . . . . . 34-2104 1941-1984 Special Retro Engine . . . . . . . . . . . . 34-2006 24. Connecting Rod Assembly 1936-1952, Heavy Duty (Stepped crankpin) . . . . USA 34-7003 1941-1981, Heavy Duty. . . . . . . . . . . . . USA 34-7004 1981-1984, Heavy Duty. . . . . . . . . . . . . USA 34-7011

18

19

18

16

17

17

24

7 (tapered)

23

10

9

22

20

14 15

23

8

21

5

7 (spline)

13

1 (spline)

6

12

8

6

2

11

3

4

NOTE: Crankpin diameters listed are nominal and it is the engine builders responsibility to confirm correct running clearances when fitting rods to crankpins.

1 (straight)

±

WARNING:CancerandReproductiveHarm–www.P65Warnings.ca.gov

180 S&S Vintage 1926–1999 Order 608-627-1497