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Starter spins on bench but won’t crank bike

2047 Views 25 Replies 8 Participants Last post by  Tim.catherwood
Hello new member here and would appreciate any assistance. I live in Guelph Ontario Canada which is about 45 ride from Toronto. My 82 CX500 Custom was my daily driver all season and after sitting for just a couple of weeks won’t crank.
I tried a few known good batteries and even load tested them but wouldn’t crank. Solenoid just clicks. I have full voltage >12V through solenoid (power side). I pulled the starter and cleaned everything, replaced brushes and performed ground mod. On the bench it spins with power but in the bike it doesn’t. I can spin the engine over easily with a small rachet on the crank bolt.
The engine isn’t seized and plugs are out. Could I have a weak starter? I can’t seem to locate a new one online. Any suggestions?
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The most common problem seems to be an insufficient ground connection. I'll be very surprised if that's not the culprit.
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