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2000 Yamaha Warrior - No Spark


yamamama

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My sons 2000 yamaha warrior will not start. It will turn over but not fire. There is no spark @ the Spark plug. I can pull it off and it runs great. I tested the stator and the ohms were very low on one of the plugs. should i test anything else?? and if so how??? (i will apoloize in advance...i may not know the proper names of some parts..I have never done anything like this....I'm just a mom trying to fix sons bike...if i can. :frown:

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I changed spark plug. Made sure wires going to spark plug had good connection. Tested the ohms from the wires coming from stator. One read 291 and the other much much lower, although i can't remember the exact #. sorry. I should have given you more info. hope this is better and thank you so much.

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I don't have a manual for the warrior, but You may want to test the coil, (what the spark plug wire connects to). Even a bad plug boot can cause this.

Blaster/raptor/warrior/banshee- remove the plug boot by unscrewing it- check the resistance of the boot by; putting one end on the screw and the other where it plugs on the sparkplug should be between 4-6K Ω, if that checks ok next- the primary resistance of ignition coil [positive lead (red) to the skinny power wire coming out of coil unplug it to test this-to generator(stator) and negative lead (black) to one of the grounding terminal on either side of the coil] should get- 1.44-1.76Ω Secondary resistance [positive lead (red) to the plug wire and neg (black) to the power wire on coil to generator(stator) again unplugged] 5.28-7.92K Ω.

If any are not in this limit replace it! Hope this makes sense to ya!

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ok, stator is good because it runs when pull started.

cdi box is good because it runs fine.

voltage regulator is probably fine too.

coil is good because it runs fine when pull started.

how fast does the motor spin when trying to start with the electric start?

if it isn't fast enough, it won't produce a healthy enough spark .

it could be the battery or the starter, or both.

also, what i would do is strip as much plastic away so you can check all your wiring. there could be a bare wire(s) touching the frame. check everywhere the wiring is tie strapped on and where there are wear/rub marks regardless if it is encased in a protective plastic. peel it away and look and you can always tape it back up. you could also have someone help you to see if there are flashes in a dark garage or outside while cranking it over with the starter motor.

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i'm pretty sure you can buy separate ... i know both stator and pick up comes complete new.

check here Ricky Stator - Manufacturer of ATV & Dirt Bike Stators, Electrical Components, Lighting Systems and Suspension Products and you can email them here [email protected]

or you can try a yamaha dealer too. not sure what they are worth, $50 or under i'm sure

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