I have a predator 212 with a billet flywheel, a billet rod +.020 3.328, mod 2 cheater cam, 26mm nibbi carburetor 115 main jet, auto lite racing spark ar3910x plug, header exhaust, 26lb valve springs, and 10 clutch to 36 sprocket gearing, I have a monster moto mm-b80, the max I was able to achieve on a bus lane holding throttle for atleast 30 seconds on max it acts like it has a rev limiter sort of I don’t know what’s going on because it’s only going 60mph but other predator 212 stage 1 builds go 60mph I really want to know the fix as I am extremely nervous I spent all this money just to go 60mph when I take the chain off and start it up and rev to max it revs but then takes to dips down rpm’s a little I can take a video I just want to know how to fix it.