no spark

The Bike ran Great one evening, I parked it and it started up and ran very bad then got where it wouldn't run at all . It has hardly no noticeable spark , we have brand new Honda coils installed hoping that would fix it along with new points and condenser from company "4 into 1". I have 12.6...

Hey all first post because I'm kinda stumped. 81 750k overhauled 5k miles ago. I also have Murray's carbs set up on here... that's a whole nother issue😔. They're a pain to keep from fouling plugs because he tunes them so rich. Just did a service about 50mi ago because it was breaking up on...

Hello, I have a 1977 cb750a that has no spark when I use the igniton switch. If I use a jumper wire between terminals on plug for ignition switch, starts right up. Took apart switch, everything looked good, nothing burned or melted. I get continuity on the switch between bat and ignition and...

I have a 1981 Honda CB750 I’m not getting fire and I don’t have a service manual to get through the steps can someone help me out