o ring on a 650S
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Thread: o ring on a 650S

  1. #1
    FBM
    FBM is offline
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    o ring on a 650S

    Will a O-ring 530 chain fit on a Benelli 650S? 1975 if that makes a diff.

    It looks pretty tight between the drive sprocket and engine case!

    If so, what brand if it makes a difference.

    thanks

  2. #2
    Junior Member NZGlyn's Avatar
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    Glyn Pickering
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    Chain for 650 Tornado

    I was wondering the same thing. I infact bought an O ring chain but it would not fit due to the lack of space between the front sprocket and engine case. The only way around this I would think is to fit a smaller front sprocket (if they are available) and then if you want to keep the same gearing you will need a smaller rear sprocket. Not sure if they are available either. I have a standard (quite weak looking) chain on mine and given the power of the motor expect it to stretch a fair bit once I am using it regularly.

  3. #3
    Junior Member NZGlyn's Avatar
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    Glyn Pickering
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    Auckland, New Zealand.
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    Different size gearbox sprocket?

    Does anyone know if you can purchase smaller gearbox sprockets? That would be the only way to fit an O ring chain. I suppose a custom sprocket could be made up also?

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