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FASTDAD-77
03-08-2007, 06:26 PM
Have any of ya'll lightened the flywheel in the TRX90's or will it even help these little motors? (Or even possible?) This is a 06 TRX90.

WOLFPACK
03-08-2007, 06:32 PM
You can lighten the flywheel and get a small improvement. PVL makes an inter-rotor ignition that will give much better improvement!

dion
03-08-2007, 09:13 PM
ask one of the engine builders listed in another post
they will tell you what works best with their setups
and whats the most cost effective