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Revs stay high after releasing throttle

Posted: Fri May 31, 2013 8:47 pm
by rar2051
Hey there,

I've just recently changed a lot on my bike, but the relevant stuff is below

- Rejet all carbs several sizes larger
- Aftermarket exhaust put on by previous owner
- Carbs cleaned
- All valves changed
- Scraped the crap off of the top of the pistons

When I release the throttle, the revs stay high on their own. It settles down after 30 seconds to a minute. I'm not sure what's causing it. I'm thinking that the mixture has become a little bit rich but I'm not sure. It doesn't run roughly and the exhaust doesn't reek of gas. Can y'all help me with this?

Bobby