View Full Version : tri-z mods

10-07-2007, 04:26 AM
:confused: I want to make my Z way faster, what can i do? i have heard about the yz490 fitting in there but some thing about the motor not lining up with the rear sporket...any suggestions would be great!

10-07-2007, 05:05 PM
I know nothing about the 2 strokes. But here a link that may help you...

10-22-2007, 06:53 PM
The yamaha wrench report in the link above, yz490 long rod kit in the Z's engine, have a big bore kit made for it, bigger carb, lightweight flywheel on ebay now, full dg exhaust, then you might need a longer swingarm or some wheeley bars :)

10-22-2007, 06:55 PM
oh ya, you should thank god that u have that 6 speed tranny.

10-22-2007, 06:58 PM
Sprock 310 kit.Direct bolt on.Dont know if he has any left yet.But worth asking him.