08 yz 450f jetting help

1 reply to this topic
  • iowamarinedad

Posted March 15, 2008 - 05:25 PM


anyone, I could use help on jetting my new 08 yz 450f.

Elevation 650'
exhaust-two brothers m7
zip-ty carb mod completed

right now jetting is stock-fuel screw 2 3\8

Kind of hard to start and shooting flames out exhaust and some popping

any help would be greatly appreciated

thanks in advance

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed

Posted March 15, 2008 - 06:48 PM


48 PILOT AND 168 MAIN IS perfect!! We have 4 08's one of them has a 50 and 170 but the others are the same..:confused: No more popping and they start first kick anytime day or night.. go 1 or 2 turns out on the fuel screw!!!

Related Content


Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.