10-0279 - Sifton Standard Case Race Left Side

10-0279 - Sifton Standard Case Race Left Side

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Machined and ground to factory specifications.
*NOTE: Left side cases accept standard case race. Case race requires to be installed with a .0025 interference fit.

Country Of Origin: TAIWAN
OEM Cross Reference: 24621-40,416-40

Replacement Items:
10-0825 - Left Side Engine Case
10-0951 - Sifton .040 Case Race Left Side
10-1208 - Flywheel Thrust Washer Set

Tech Notes: Suggested to use with #10-0488 Sifton Engine Pinion Shaft. *NOTE: To confirm the main bearing fitment clearance you must take the standard bearing measurement and multiply it by 2 then add that answer to the left side sprocket shaft meaurement. For example the standard bearing measures .250 multiplied by 2 equals .500. The left side sprocket shaft measures 1.000 adding them together you get 1.500 which means you're running 1.501 fitment with .001 clearance.
Measurement: Outer Diameter: 2.0015 inches

EL 1940-1952
FL 1941-1954
UL 1940-1948