04 Rubicon, Decreased power and won't idle right when hot.
#31
04 Rubicon, Decreased power and won't idle right when hot.
were you useing a digital tach? Single cylinder engines do bounce up and down 200 RPM at idle as every time the pistion fires it speeds up to around 1,300 then at the top of the compression stroke its back down to 1,100. Perfectly normal for a large single cylinder thumper
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07-12-2015 06:34 AM
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