bog bog bog

[custom polaris 600]

I have a 2001 700 rmk motor with carbon reeds and rack carbs and twin slp pipes. It6 was good 2 weeks ago and to day it just wouldnt run right, only tacs to 7500-7800 and wont tac up and also falls on it face. Need help diagnosing this any body had this problem?

 

[BB454]

Boog

Look at clutches and belt. Primary spring is probaly sagged out.