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Thread: Shaft size

  1. #1
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    Shaft size

    I got the 45 motor rebuilt and when I got it back I found a sprocket in the box with the old parts and it doesnt fit at all its too small. What is the ID of the motor sprocket? This is my WL.
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    1942 WLA
    1953 G servi car (thats a pile of parts)
    1959 Panhead
    1969 shovelhead electraglide
    1974 shovelhead electraglide
    1995 roadking
    2014 Indian Chief Vintage
    AMCA #14226

  2. #2

    Re: Shaft size

    The larger end of the taper is .875"

  3. #3
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    Re: Shaft size

    THANK You, should I get a larger toothed sprocket for my engine? This one is a 22 tooth and I thought that it would be alright since I live in the mountains and when I am not in a climb I am going downhill something that I thought would be good for a break in of a freshly built engine. But after the initial break in and the 500 mile oil change I should " up the gearing". Thank youfor your responses in advance BNSONS I have you blocked so I dont have to read your sarcastic, narrow minded remarks.
    I CELERITER TEMPUS DEFICIT
    (RIDE FAST TIME GROWS CLOSE)

    IF YOU AINT LIVING FREE YOU AINT LIVING


    1942 WLA
    1953 G servi car (thats a pile of parts)
    1959 Panhead
    1969 shovelhead electraglide
    1974 shovelhead electraglide
    1995 roadking
    2014 Indian Chief Vintage
    AMCA #14226

  4. #4
    Join Date
    Mar 2008
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    Beautiful Northern NM
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    12,152

    Re: Shaft size

    22 is too small, even in the mountains. The standard sprocket on Military 45s was a 30 and they are geared low. A 22 is a Servi-Car sprocket. Even a 45 sidecar sprocket was a 27.
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  5. Re: Shaft size

    30 if you are worried about mountains, but I found a 31 good all around including 55 MPH cruising when needed. 22 is way too low for a cruiser. 1st and 2nd are kind of low and grunty by design, I wouldn't be too worried about the gearing as it came from the MoCo. If the 31 seems too high, not a big deal to swap out to a 30 or even a 29. It will be trial and error once you get her up and running. Good luck.
    1946 WL Solo
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  6. #6

    Re: Shaft size

    If you have the original 96 link primary chain for the 22 tooth, you need the longer 100 link chain for the bigger sprocket.

    Now, everyone repeat what I just said.

  7. #7
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    Re: Shaft size

    gone to count links
    I CELERITER TEMPUS DEFICIT
    (RIDE FAST TIME GROWS CLOSE)

    IF YOU AINT LIVING FREE YOU AINT LIVING


    1942 WLA
    1953 G servi car (thats a pile of parts)
    1959 Panhead
    1969 shovelhead electraglide
    1974 shovelhead electraglide
    1995 roadking
    2014 Indian Chief Vintage
    AMCA #14226

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