Ultima Fatso cases help

S

smittybilt

New Member
Have a set of older Fats cases. Trying to source a crankshaft. From what I have found so far. Needs to be a five piece with a .25 in longer pinion pin. Also heard you can use the early model Evo 5 piece crank. Are there any other HD cranks that can be modified to work?
Or didn't know about using a newer style Ultima 3 piece... that might come with the correct length pin.
Any help or info is greatly appreciated.
Thanks Kevin
 
john sachs

john sachs

Well-Known Member
smittybilt said:
Have a set of older Fats cases. Trying to source a crankshaft. From what I have found so far. Needs to be a five piece with a .25 in longer pinion pin. Also heard you can use the early model Evo 5 piece crank. Are there any other HD cranks that can be modified to work?
Or didn't know about using a newer style Ultima 3 piece... that might come with the correct length pin.
Any help or info is greatly appreciated.
Thanks Kevin
Click to expand...
Call Mid Westmotor Cycle Sales. IIRC, they have wheels with .250" longer pinion shaft. If the sales person doesn't know, have them switch you to the motor shop. 98-549 part # is their .250" longer pinion shaft.
John
 
S

smittybilt

New Member
Trying to be as frugal as I can on this build.... but it's becoming difficult. They are stupid nice cases, hate to let them go to waste. Was hoping to build a crank or find a used one.
Thanks for the info
 
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