Rock Island Vintage Class Question - General - General

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Keith Scharf

Joined:	Wed Jul 5th, 2017
Location:	St. Louis, Missouri USA
Posts:	4
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Can anyone tell me what the starting gear ratio would be for the Rock island GP for a vintage Yamaha, 100cc reed or 100cc rotary motor?

Thanks
Keith S

Tom Day

Joined:	Thu Mar 30th, 2017
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Posts:	52
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Keith, I geared 9-64 on my K78,200# driver. I would think a Yamaha would be similar.