Big bear spark problem
#1
Big bear spark problem
Hip, new to this forum...need help with my big bear 350 1991 atv. No spark. Have had stator tested, they said OK. Have replaced cdi with a working used cdi. Have checked all connections. New charged battery, changed coil with supposedly working coil. What am I missing? Or do I retest every thing? Would like to re test but need directions on multi meter tests? Thanks
#4
#5
Try this, Its a Warrior but same 348 motor.
No Spark! FIX Warrior 350/Raptor 350/Grizzly 350 & Parts Link. - YouTube
No Spark! FIX Warrior 350/Raptor 350/Grizzly 350 & Parts Link. - YouTube
#6
In my experience the resistance test doesn't work too well. You can check that the three stator wires are roughly the same resistance, and that they don't short to earth but, apart from checking for no resistance in the trigger unit, the only other check is to find out if the trigger and stator coils are making volts (AC) when you spin the engine over.
#7
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#8
Yamaha Stators are pretty good. My 1989 350 Big Bear is still running with the original stator.
My SP500 would not start just because the trigger coil (Plus coil) was just dirty.
Even if its a stator there are places that rebuild them for half price.
#9