Thanks, Zuber. But any idea why honking the horn would resolve a dirty starter contact? That seems pretty weird. I'm more suspicious that perhaps it's energizing the wiring and helping resolve an intermittent short or something. However, I'm pretty amateur at troubleshooting electrical issues. Does this make any sense?
Originally Posted by Zuber
For really flaky electrical issues - look for bad grounds.
Could be as simple as a dirty starter button contact.
Does the fuel pump prime at turn-on? It should run for 5 sec if the computer thinks it's ok to start the bike. Next time, turn the handle bar switch off/on and listen for the fuel pump.
This type of thing drives us mechanics crazy. I've been tracing a intermintent no-start problem for a friend these last two years or so. It finally broke down and wouldn't start. Was a simple problem with a wire pushed out of a gang connector.