1987 classic 50 oil injection did not come with motor .I have replaced every part on motor dealing with spark still no fire. new coils , new stator , new trigger, new cdi box. what else do I need to do. thanks for anyhelp
need to know the year the s.n is b146957. motor has 125 psi on cylinders but no spark . stator has only 4 wires 2 yellow and a green with white stripe and white with a green stripe on ohm reading on green and white wire. trigger also no ohm reading. how do you check switch box. one more thing...