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Discussion Starter · #1 ·
i just put a gytr exhaust, k&n air filter, airbox vents, and a warn winch on my raptor, my question is ever since i put the parts on my raptor it has started to chug at low rpm, it doesnt backfire or do anything at high rpm. I have a jet kit and was wondering if i should rejett? what is the stock jet.
thanks
 

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Master of the Electron
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Yes, you need to rejet richer if you have increased the flow though the engine (and you have).

The low throttle chugging is due to being too lean in the pilot circuit - you can try turning out the fuel screw (CCW) 1/2 turn or so, but if you can't get there from here, you're going to need 25 pilot and probably 10-20 larger than stock main jet.
 
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