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Old 06-12-2011, 01:43 AM
ducedave ducedave is offline
Motorized Bicycle Elite Member
Join Date: Apr 2011
Location: Mentone Ca.
Posts: 361
Default Re: Newbee With a Grubee in MT

Hay Cowboy I don't know about that chain-A #41 will work stock is a #415
4 stroking is most often to much gas move the clip if that doesn't work you may have to rejet---maybe let it break in some by before all that as your oil mix for the first few tanks should be more then you would use after the rings and piston seat.
I went with 16/1 then 32/1 and now I use 40/1 and my carb works differently at these mixtures
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