starter witch doesn't start - battery fine - Yamaha Raptor Forum
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post #1 of 3 (permalink) Old 06-24-2019, 08:38 AM Thread Starter
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starter witch doesn't start - battery fine

been trying to diagnose electrical problem. Raptor 90 2017

When press the starter button, nothing happens. No click, no power. It is like the button wasn't pressed. When kickstart it works fine and key and kill switch both work fine.

Replaced the starter relay and same problem. All connections seem good. Opened up the case where the starter button is and noticed the spring used was not retaining its form so provided no push resistance, so replaced it with another spring (trimmed a copper spring I had). Spring looks like it makes good contact so I don't think the spring is the issue.

If I pull the starter relay, I can put in a jumper and start it so I know the battery is fine. Using a simple electric tester, doesn't seem to have any power coming out of the relay, but I'm not sure it is supposed to.

Any ideas?
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post #2 of 3 (permalink) Old 06-24-2019, 08:48 AM Thread Starter
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also checked fuse, and fuse is fine.
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post #3 of 3 (permalink) Old 06-24-2019, 12:10 PM
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Location: SW Missouri USA
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I had a similar issue last year. I had replaced my starter solenoid with a cheap one from ebay because i didnt want to pay $60 for oem. I installed it just like my old one came out. Didnt notice that the chinese relay had reverse polarity until i looked closely at the letters on it. Turned it around and everything was fine. Just a thought...

Also, does the 90 have any safety switches that could be the problem? On the bigger ones they wont start in gear without the clutch pulled

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07' Raptor 700- 11:1, hotcam 3, Pro design intake with K&N, +3 throttle body, Monster big bore duals, MSD with cuervo timing, JOGACA shocks, trail tech VAPOR, GYTR heel guards & bumper & nerfs, .250 aluminum skids, TM case saver, folding anodized levers and shifter, powermadd hand guards

04' raptor 660-Hot rods crank, .5mm overbore, 11:1 wiseco piston, Stage 1 hotcam, Yoshimura slip-on exhaust, K&N filter with outerwears, open lid airbox, Dynojet stage 2 jet kit
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