03 wr450 jetting question
Posted July 13, 2015 - 06:00 PM
My mods are yz426 header the wr header had weird dents in it.
Snokel remived from air box
Stock Exhaust opened up
Gray wire mod and blue wire mod
Stock style filter just put in a new one.
Posted July 13, 2015 - 09:29 PM
ncvs needle 4th clip
r&d remote fuel screw
replace the worn out slide plate seal
replace the worn out needle jet (emulsion tube)
keep the acv system
keep all the other jets stock
upgrade the apump system to modern specs