1974 Honda CB360 starting problems

I have always greatly admired motorcycles but never had the opportunity to ever even ride one. However, I recently acquired a bike in great condition but it has not run for about 15 years. I drained the gasoline, changed the oil, and installed a new battery. Now all the lights come on, the turn signals work, but the horn and the start button do not do anything. I assume I am most likely still several steps away from riding down the road but just do not know what to try next.

Any suggestions on where I go next in this project?

1- Get a compression test done
2- If compression test is OK (over 100 psi), you may try to find parts such as a carb rebuild kit, new tires, brake parts, muffler. It is useless to try rebuild and adjust a carb if you don't have good compression and sound muffler. You should also add a fuel filter on your gas line.
3- If compression test fails, it becomes a labor of love, because cost of parts you will have to order at high shipping cost from all over the world (major Honda vintage parts vendors are in UK and Netherlands). Cost of rebuilding such an engine is very high. If your frame is near mint, it may be worth the trouble. If your decision is to continue, get a shop manual in a hurry (Clymer's, Honda, or both) before you start spending on swapping parts.
4- Have a look on Ebay and check ASK used motorcycle parts vendors for complete engines if your fails, before you abandon. My engine failed and I was able to keep my CM400T 1980 on the road with a spare 1979 twin motorcycle I purchased for parts.

Good luck !

Martin

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There is nothing like riding a Honda MC !

Thanks for your input. I sprayed some carb cleaner into the carbs, kick-started a few times, and it fired up, momentarily. I assume I need to open up and clean out the carbs at this point?