Dead cylinder

82 Yamaha XJ 750 Seca discussion forum:


Dead cylinder

Dead cylinder 
Mike said 2003-04-13 05:44 
 
I bought a nice looking, yet abused 83 Maxim a couple of years ago. It gave decent service, but the cams went bad at 19,000 miles. I found an 82 Seca engine for it and put it in. The number one cylinder misses badly, to the point that it won´t idle, but as revs increase, the miss goes away. By 4,000 RPM all four are firing strong. I used my carbs, and it has good compression on all four cylinders. New plugs failed to help. Any suggestions ? Thanks !

Mike 
 
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