View Single Post
Old 01-27-2013, 04:00 AM   #10
Blur's Avatar
Joined: Jun 2010
Location: Qualia
Oddometer: 4,494
I may be getting the 250X and 450X problems mixed up but....from what I understand, you probably want to swap out the valves also. Stock valves don't like long, sustained high rpm. I've heard good things about aftermarket stainless steel valves.

Thumpertalk would be a good resource:
Why use big words when any diminutive utterance will suffice?
Blur is offline   Reply With Quote