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Loss of Low-end Power

Posted: Mon Sep 19, 2005 5:08 am
by justin77
I recently replace my top end and installed an FMF SST Pipe and Powerecore Shorty silencer on my 02 YZ 125. Now I have no low end power and my bike wont start without push-starting it. What could be wrong?

Posted: Mon Sep 19, 2005 6:17 am
by BuzZz
When you re-did the top-end, did you get the powervalve back together correctly. It almost sounds like it's stuck in the open position. Maybe......