Going through starter relays - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 22 (permalink) Old 06-04-2014, 01:42 PM Thread Starter
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Going through starter relays

Hello I am new to the forum and have a 1994 Vulcan 750 bought it last fall and close to the end of November it wouldn't start. Decided to put it away for the winter and work on it early this year. Got it out in March and figured out it was the Starter Solenoid that went bad, replaced it and it fired no problem... Then 2 months later I have the same problem, replaced it again and it was working fine for about 3 weeks and it went bad again, had the starter torn apart and checked out and there was an internal bushing that was dry so that got fixed. Was mainly just looking for anyones help if they have ever heard of this problem or have any clue what could be causing it or if I probably just got unlucky and got a bad replacement the first time or if something could be causing them to go bad. Thanks for reading!
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post #2 of 22 (permalink) Old 06-04-2014, 02:38 PM
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welcome to the madness!
not to worry, you've are at the right place for answers about the Kawasaki Vulcan 750. not only do these people on here know everything about Vn750's, but they are a great bunch of people.

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post #3 of 22 (permalink) Old 06-04-2014, 02:39 PM
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The starter gets worn and drags, pulling too many amps, it keeps working for a while but the extra heat burns the contacts in the solenoid. Burned contacts can lead to them welding themselves together, at which point you have a starter that won't stop. Or, the contacts just stop working.

edit: As far as parts quality, there's no telling if a new part will be good until you give it a test. I don't think there's much quality control these days. Sometimes you're better off with a used OEM part than a new replacement.

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post #4 of 22 (permalink) Old 06-04-2014, 08:36 PM Thread Starter
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The starter was taken apart and rebuilt and is fine I just can't seem to figure out what else would be causing me to go through solenoids/relays like I am
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post #5 of 22 (permalink) Old 06-04-2014, 08:48 PM
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I thought the starter redux came with the last solenoid .... Could still be pulling too many amps. Or have you had to crank it a lot to get it going?

Defective parts?

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post #6 of 22 (permalink) Old 06-05-2014, 01:22 AM
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bgefore you buy another oem starter relay go to the local parts house and get a four post starter solinoid for a riding lawn mower they sell for around 10 bucks here and they are better quality than the oem

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post #7 of 22 (permalink) Old 06-05-2014, 01:56 AM
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Originally Posted by new rider 9984 View Post
bgefore you buy another oem starter relay go to the local parts house and get a four post starter solinoid for a riding lawn mower they sell for around 10 bucks here and they are better quality than the oem
^^^X2^^^ been running a lawnmower Solenoid for a few years.. no problems.. its rated at 2 times the cca of our batteries, so it should work just fine even if the starter shorts out to ground.
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post #8 of 22 (permalink) Old 06-05-2014, 02:09 AM
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Nice tip. I had no idea. Definitely something to file away for future use.

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post #9 of 22 (permalink) Old 06-05-2014, 07:45 AM Thread Starter
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It doesn't take too much cranking to start up. It seems to have more trouble when the bike is hot I've discovered. Once the relay is going it has troubles starting and will eventually crank after some trouble then when the relay goes it just clicks at the relay.
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post #10 of 22 (permalink) Old 06-05-2014, 08:27 AM Thread Starter
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Also I was told to do a charging system check and when I did the battery never dropped below 12.6 volts at idle and never went over 14.8 v when revving around 5k rpm
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