Originally posted by: Wenty
Have you tried a new belt? The difference between a old or cheap belt is night and day compared to a new quality belt, hook up is much better. Could be your clutch is hanging up? Pull the clutch cover and watch what's happening when you apply throttle, is the clutch engaging smoothly? First thing I did when I picked up my 98, new factory clutch kit and belt, big difference.
I agree get new beltand measure em u will see diff. might wanna scuff surface where belt is grabbed it helps with slippage