Honda305.com Forum

Good luck with it quidger.

Well done quidger. It is nice to know that the old girl at least starts now. Yes, I think you can rule out the condenser as being the fault now. I have a feeling that the problem might be fuel/carby related. Check the voltage at the battery when you start the bike and continuously until it stalls. I...

G'day quidger For the spark plug test, by far the best thing I have found is to have a short, think jumper wire with an alligator clip on either end. Clamp one alligator clip onto the threaded base of the spark plug and the other onto the motor or frame of the bike. An alternative is to try and hold...

G'day quidger The spark plug test device should be fine, especially if the spark plugs are gapped, clean and new. But in this case, build your confidence first. Please try without the tester and the plugs grounded on the motor. Ensure you see a good strong spark at both of the spark plugs. Once you ...

G’day quidger You’ve made more progress - which is a good result. One final check, that you may have already done, but just in case… As the points just start to open and the static test lamp just comes on, the line on the end of the camshaft at the points, must be facing downwards. The attached phot...

Also some great tune-up and timing info here:

https://www.honda305.com/cb77_700/cb77-716.htm

Good luck.

G’day quidger The Dream engine has a 360-degree firing, wasted spark, engine configuration, meaning that both spark plugs fire at the same time, with one spark being “wasted” on the top of the exhaust stroke. Hence the need for only one set of points and one coil for the 2 cylinders. Both pistons tr...