running to lean maybe. I would think that taking out the spark arrester would have an effect on backpressure. Try a throttle chop test and see if you are rich or lean. Then try adjust air fuel mixture to compensate.
back fires
old girl back fired about 10 times this weekend only thing diffrent is ngk ird and spark arrester removed about 6 months ago any help would be appreciated
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Put the spark arrestor back in, the run way better
I don't think the spark arrestor has anything to do with it...I've had mine out for over a year and there hasn't been any problems.I am going to put it back in 'cause I'm getting tired of the noise.
Without my spark arrestor i back fire when ever i gear down. Not enough back pressure
A spark plug certainly wouldnt change anything
A spark plug certainly wouldnt change anything
1 - 5 of 5 Posts
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