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Dirt Bike Brands - Other
XR4 jetting
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[QUOTE="sKiNNyWhEaT, post: 18276, member: 22523"] that is the stock jetting for my 96 xr400. after i went to a 430 kit with porting and open exhaust, i needed to go to a 168. i left the pilot alone due to the supreme ease in starting. after about 12+ rides i decided to go to a 170, but the damn rod broke! to late! dunno how the 170 woulda performed. but hey [img]http://dirtrider.net/ubb2/smile.gif[/img]!! i found almost 5 distributors for COMPLETE brand new xr400 engines!!hopefullythey wont be 1000$+. anyways dude try that 162 62 jetting with a new cpl new plugs. do plug tests at each jet rpm range and find out which sizes work best. usea new plug for each test, or your results will be screwy ------------------ [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
XR4 jetting
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