Jd jetting kit and exhaust?

gday guys,ive got a 01 wr426 and the previous owner put a 09 wr450f pipe on it but also gave me yz426 pipe,i just put the yz muffler on and it was shooting flames out about 10inches long and a cool looking blue,and it never did it with the wr450f muffler so is it doing this because its tuned with the Jd kit or could it be the yz426 muffler packing is knackered?



Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now