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View Full Version : 480r jetting help?



Da300EXer
02-13-2006, 04:57 PM
I have just installed an Athena 480 kit with 10.7:1 compression in my quad as well as an HRC cam. I run a HMF full race exhaust and a stock airbox lid. I am having some trouble with jetting and was wondering if there was anyone else out there with a similar setup that could give me a place to start? thanks a lot.

JW450R1
02-13-2006, 07:03 PM
hmf has a awesome help line,just call them.also try taking off the lid and rejetting