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i is a 650 and i checked timing and it was retarded re set and tuned the carbs and it runs great thanks all. now the comp. is up to 140-140 i guess the rings are seating
Just rebuilt my 81-650 with a new big fin cylinder, new timing chain and at idle you crack the throttle it back fires through the exhaust (2 into 1). As you let the clutch out and give it gas it stumbles and misses until about 1/4 throttle and then it runs fine. When I was installing the...
bought new big fin cylinder from Mikes and there is no relief for the o'rings at the bottom of the cylinder sleeves. #2 do you use any gasket sealer on the cyl. or head gasket and #3 do you use anything on the head bolts for torquing i am going to use copper washers