Originally Posted by 99problems

One your engine is still very new. which is going to make a little harder to tune BUT to take out all the guess work. Change the clutch and richen all needles and and start over. Once you've done that run your can for a little bit and tune from there. A little work but I'd rather do the work than buy a new B5.

Hopefully you have some idea of how to tune a motor which 95% of us DONT and two try and listen for a slipping clutch. "Sounds like metal vibrating very slight" Your going to have to develop an ear for it, much like a well tuned motor.