Ive been reading on the quad forums that the pre 07 450 motors benefit from this oil nozzle upgrade that yamaha offers.
Is that a problem with 2006 WR450s?
ah, it is a problem.
Anyone know about this?
This guy knows and has his solution posted on page 8.
Here's the solution for the YFZ450 motor
A bolt on pricey solution
Edited by Club America, December 07, 2012 - 02:48 PM.