Rear Sprocket Replacement - what way?

Discussion in 'Mechanics Garage' started by old450, Apr 28, 2008.

  1. old450

    old450 New Member

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    I Just received a replacement sprocket and chain set from Dennis Kirk. I noticed the rear sprocket has a recess machined into it, the one I took off (not original) did not.

    Does the recess face out (away from the wheel) or in? I'm thinking out so everything aligns unless the original came with a recess?

    Photo's attached

    Thanks Carter
     

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  2. Vlad Impaler

    Vlad Impaler New Member

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    On my 95 the recess faces the inside of the bike.
    If you compare your stock sprocket, it will tell the story. My aftermarket sprocket (and it appears yours) is wider than stock. There is more roller engagement on each tooth. The only way to achieve the same centerline as the stocker is to place the groove facing in.
     
  3. old450

    old450 New Member

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    Thanks,

    Mine is a 91 and the sprocket on it didn't have a recess (but wasn't a stock sprocket) so I suspect it was not aligning correctly. Thanks I'll flip it around.

    The new one is a Chain and sprocket kit for the 90-97 VFR so it should be the same as your 95.
     
  4. VT Viffer

    VT Viffer New Member

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    I had the same issue with my RK 530 kit, I don't remember how I ended up installing the rear sprocket. I'll check when I get home tonight.

    I think I installed it reverse of your pics above, as Vlad suggests.
     
  5. wamull

    wamull New Member

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    To add to this old post, I am changing my sprockets and chain, the old sprockets were after market being just plain no recess, in my opinion the plain face of the sprocket should against the mating face of the hub therefore obtaining the correct alignment, I don't understand what Vlad Impaler said about the sprockets being wider, I assume he means thicker which cannot be so, sprocket thickness is right size for chain, so I will fit sprocket with recess facing out as your pictures show, after all the recess is just weight saving.
     
  6. Allyance

    Allyance Insider

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    I replaced my chain and sprokets, this is a shot of the Vortex rear sprocket, with recess facing out:
    [​IMG]
    OOPs, picture rotated
     
  7. Vlad Impaler

    Vlad Impaler New Member

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    Proper term is width.
    Plate width on the aftermarket was thicker than the stocker.
    Face width is likely the same, to accomodate the chain, but I no longer have the stock part to measure and compare.
    The shoulder was cut in the thicker plate to achive the same centerline as the stocker.
    Short story is, mount it either way, but be sure your drive sprocket is alligned. The end game is good allignment.
     
  8. mark641

    mark641 New Member

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    The stamped in numbers on the sprocket telling you how many teeth faces out so you can see it.
     
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