Any factory restrictors on the TRX90 that need removed?

[jst]

Are there any factory restrictors that need removed to gain some speed/power?It is a 2005.

[miniquaddad90]

Cut pink wire at CDI box to remove 4th gear rev limiter, other than that, no. You could upgrade the exhaust first step in gaining a bit more. After that... Cam, carb,etc..