Whizzer CVT drive system pictures...

[RdKryton]

Don't know why they didn't move while actually riding the bike, maybe not going fast enough, or maybe the cvt sensed it needed more torque???

Bingo
The CVT is requiring more power than the engine can deliver. The load is staying too high for the pulleys to move with the amount of HP available. A couple more HP would do the trick but....

Jim

 

[Matthew B]

I had this problem your valve seats have moved check under the valve release cover should be gapped .007intake and.009 exhaust mine gets up to 40 easy and it’s a 99 wc-1 engine with only vent mods to help cool and no longer lose oil