Join Date: Jul 2007
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electric start is very intermittent...
Aloha from O'ahu,
The elec. start on my '05 began giving me troubles earlier this year- I'm up to about 36K miles. Initially, the bike would not start when the start button was pushed (starter relay would make a single click). I'd push start the bike, and one out of 3 or 4 times the starter would work fine.
As time goes on, the non-functionality increases and the chances of the elec start working are now slim to none. 98% of the time I get a single relay click and need to push start, but there will be one to three times a month when, by chance, the elec start works without a hitch, regardless if I kill the engine and push the starter button when I'm coasting, or if I try starting it before/after a ride. Very intermittent.
Any clues what might cause it to be essentially nonfunctional, but still work once in a very blue moon? I've followed the thousand 'bike wont start' threads and the service manual, and here's what I've eliminated:
-Charged my battery, boosted with a known good car battery. Battery/power not a problem.
- I've verified that there is good power going from the relay down to the starter by measuring volts inline to the starter itself
- I've replaced the starter relay, hoping for a miracle, no dice
- I've metered the BAS and it is in spec with the manual (although, I did not bypass it, just measure)
- I've deduced the clutch and side stand switches are AOK- when bike is not in neutral and side stand is down, relay will not click (e.g., bike shouldn't start, this is good). When side stand is up and bike not in neutral, same, no click as expected. When I pull in clutch, click returns as the bike should be able to start. No problems here.
- I've taken off the tank to inspect the starter itself, and the power cable is on good and tight (I actually couldn't remove the boot protector- the semi-warm engine at the time didn't help)
I'm at a loss for what would cause the starter to be so intermittent. Push start is a daily routine for me, as it's my daily rider. I'm at a loss, particularly after having verified that everything from the nose down to the starter's power seems to be OK, yet it still starts once in a blue moon. With such intermittent functionality, is there anything else it could be but the starter itself?
Has anyone replaced their starter without removing the carbs (e.g., how much of a headache is it to try and replace by only removing the tank?)
Aloha, have a great week to all, and mahalo for any assistance!