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Yamaha - fresh build!PLUG CHOP? JETTING?

Yamaha YFZ350 Banshee (1987-Present) - Yamaha ATV Forum - www.bluetraxx.com
Ok so i just did a fresh rebuild on my 03 banshee,it is my second time rebuilding it after never owned or rebuilt one before!the reason i had to rebuild it was becuz i suffered DETONATION!!! on right piston! i do not know much about jetting, to lean to rich ect...So with that said i dont knw if that was why it blew up last time.so now im trying to do things to the best of my ability!! so i wanted to know if any of you upstanding citizens can help me with how to get my jetting perfect and how to properly do a plug chop! ive read so many different ways idk wut to do,i mean do i gotta do 3 diff plug chops,like 1 for pilot and airscrews then another for midrange then another for top WOT????and to add to that i dnt even know if its properly broken in yet??a million opinions on that process too!! take it easy then another say jst ride it hard??? so wut i did was let it heat up cool down heat up cool down took it for a few rides giving it good throttle up and down never getting past 4th gear.And for the most part it felt good!! so im trying to hit the trails on a good ride but im worried bout being to lean or rich!!!! so pleeeez any help is appreciated!!! I have dual K&n pods with outergear no airbox,TT5 exhaust,27.5 pilots,290 mains,running 32;1 pump gas,and everything else is stock,and air screws 1 and half out!! THANX in advance
Date: Mar 5, 2017    Labels: Yamaha


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