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Starter spins on bench but won’t crank bike

2050 Views 25 Replies 8 Participants Last post by  Tim.catherwood, 
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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CXPHREAK
Try taking a jumper lead straight from the positive terminal of the battery direct to the power input terminal on the starter motor to bypass everything else and see if it cranks.

If not, use the jumper to go from the aluminium rear body of the starter back to the battery negative terminal and attempt to start with the button to rule in or out a grounding fault.
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