Weird starting issue (SOLVED)

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Weird starting issue (SOLVED)

Post by Crimson » Wed Jun 14, 2017 1:06 pm

Just noting this, in case it helps anyone.

I had a problem starting the bike, but only sometimes. It would sometimes just give a single click, and then require shifting into second and rocking into place, before back down to neutral and starting as usual. Went through the whole checklist and tried everything you could find online. But it wasn't battery power, solenoid, starter cutoff relay, wiring, starter motor brushes, etc. It was something I couldn't find any mention about, when I Googled the problem.

I found that it was the starter motor. It was bolted in too loosely. You could turn the bolts with your fingers. This meant that the spline wasn't flush with the starter gearing mechanism. As it was at an angle, there was just too much load on the motor. Therefore, it couldn't turn over. Rocking it in second gear aligned the splines with the starter gearing mechanism, and this allowed it to work, but riding the bike would shake it out of position again. Just tightening the bolts so that the starter motor sat flush against the engine case appears to have solved this problem.

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Re: Weird starting issue (SOLVED)

Post by TonyKZ1 » Wed Jun 14, 2017 7:56 pm

Congrats on solving the issue,, sometimes it's the strangest things that cause a problem.
1997 Yamaha Seca II - mostly stock, Racetech upgraded forks, FZ6R rear shock, Oxford Sports Style Heated Grips, Barkbusters Blizzard Cold Weather Handguards, a Scottoiler vSystem chain oiler. My Mileage Tracker Page.

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