2001 blaster only mod is just had it bored sleved and new piston and rings. Starts runs isles perfect bit won't rev. I have replaced every electrical component. Stator with adjustable Timing, new Yamaha fly wheel new cdi new silver module under hood in top right position, removed tors system new coil it starts runs but won't rev cleaned carb three times took all jets out and cleaned 230 main and 32.5 spark plug after running is alaways black, could be week spark maybe or is the timing way off, also when I throttle it it doesn't die just doesn't rev sounds. Like it tries to but don't please help I have spent endless time reading forums and tring diferent stuff, maybe coil is wrong and I got week spark how do u wire a new coil properly also compression after 5 kicks hits 150 if any wants to ask questions u can call me I'm desperate 614 843 3384 Justin thanks