change ur timing chain. move the front sprocket of ur timing stuff up 1 notch and ull have the power of a yz450f, this sets the timing to the timing of a yz450f. its called a cam mod. after ur done check to make sure that the sprockets r lined up properly. u also dont have to spend a penney for this mod and it gives alot more power:)
wr 450 mods
change ur timing chain. move the front sprocket of ur timing stuff up 1 notch and ull have the power of a yz450f, this sets the timing to the timing of a yz450f. its called a cam mod. after ur done check to make sure that the sprockets r lined up properly. u also dont have to spend a penney for this mod and it gives alot more power:)