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C85 running rough

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Cub420

Premium Member
Joined
Jan 8, 2013
Messages
115
Reaction score
30
My C 85 has started running rough when first started( not over primed or black smoking) seems to clear up as it reaches operating temp. The bewildering part is it has also picked up 200 RPM at idle with no adjustments made? any thoughts ? induction leak?

Thanks JR
 

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