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1997 Yamaha Big Bear 350 wont start


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HI all, I am some what new to the world of quads. I purchased a yamaha big bear moto four used. I ran it a little this spring and it was running good when I parked it for a couple of weeks. Now it wont start. It turns over but there is no spark.

Could you guys give me any ideas. Thank for any replies.

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  • 3 weeks later...

Before you spend the bucks on something you dont need.

Pull off all the body parts and check each wire connection. Clean them a add dielectric grease to EVERY connection including the spark plug and cap.

Also a bad battery can cause the lack of spark.

DO NOT TRY AND JUMP IT WITH A CAR battery - HIGH CRANKING AMP batteries COULD DAMAGE THE "CDI" ELECTRONICS.

If you get it started check the DC voltage going to the battery. If its between 13.5 and 14 volts your stator is OK.

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