Originally Posted by queen of spades
(Post 529591)
2007 KLX250S (std bore)
4700 miles on odometer (bike's condition reflects the mileage) ~4000 ft above sea level ================== KDX200 snorkel K&N air filter Dynojet 2152 kit with 128 main All smog crap removed and capped OEM header FMF Q4 slip on with 1 1/8" quiet core Bike idles smoothly and once hard on the gas it pulls as well as can be expected from a 250cc bike. Somewhere between open and idle is a catch.. the bike stumbles a bit almost like a two stroke. Note that if I accellerate from idle to full throttle, the bike pulls clean. The stumble/catch happens when the throttle is chopped and I reapply throttle. On the ride home yesterday, the stumble after chopping throttle caused the bike to die. It started back up with little fuss. What could be happening? |
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