wr450 jetting info wanted

5 replies to this topic
  • hairball123

Posted August 20, 2005 - 06:40 AM


hi there 03 wr450 just put full Akrapovic system on front pipe seams hot as f@#k and if you blip throttle hard from tick over it bogs and stops engine i live in uk so any advice on main jet and such would help ive looked through all the posts and read all the stuff but all i can work out is I'm too lean and need to swap main jet any simple help please

  • Dan_Lorenze

Posted August 20, 2005 - 11:31 AM


What elevation are you at?

  • hairball123

Posted August 20, 2005 - 12:20 PM


hi there not sure but live in the middle of uk leicestershire if this helps :D

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • dman450f

Posted August 20, 2005 - 07:35 PM


you are running way to lean man!!

  • Matty05

Posted August 20, 2005 - 08:48 PM


Way way lean.

I would go 48 pilot, richer on the needle.
Your main might be right but only you can tell.

  • hairball123

Posted August 23, 2005 - 01:02 AM


ive put 168 main in and 3 turns out on pilot for now seems ok but booked dyno for next week thanks


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.