1985 Yamaha 40hp 2 stroke Runs Rough at Low RPM

j_jtaylor

Seaman Apprentice
Joined
Mar 20, 2004
Messages
34
Hey there people, just wondering if anyone has had the same problem I'm having as in the motor idles fine but runs rough and surges down low, but once in the higher RPM range goes like a dream!!! Easy to start, and I have changed the plugs and drained the carbies???

Any help greatly appreciated!!!

Cheers

Jethro
 
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