son has an 09 new lleft over, he's mad cause it won't do 3rd gear power wheelies. he's ordering a 520 kit he said it will be down 1 in front up three in rear. sounds like alot of change to me. right now it hits rev limiter at 103 in first.(on the back wheel.) i'm ordering a 16 tooth for mine and may be a 17 if that isn't enough. 59 mph in 6th at 4000 isn't my cup of tea. with new muzzy full and pcv hope i'll be able to do it and still have enough on bottom for 1st and 2nd power wheelies. some one posted muzzy said 1st thru 3rd power wheeliies and about 15 hp . i'm figuring with stock gears.we'll see after next week.
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