[416 450r carb jetting] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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416 450r carb jetting
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Posted by: 2001300exguy

what size main jet and pilot jet would i need for a 450r carb in a 416 ex with full hmf,hot cam stage 2. port and polish,aluminum airbox, and a white brothers power filter.Im about 555 feet above sea level. i know you cant tell me the exact number but this way i can just buy the 2 sizes bigger and smaller to save some money.
thanks

Posted by: premiumtommy

i dont have a 416 but cams and piston exhaust filter yada yada i do.

3rd clip down from top and a 175 main i believe

spark plug is a perfect taupe color...lol

Posted by: Rico

I"m running a 160 in mine and feel that it's still a little rich.