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Bigdog52

2005 King Quad 700 Will Not Start

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I have a 2005 king quad 700 that won"t start.its getting plenty of fuel and spark.The last time it started it back fired and quit.hasn"t started since.Any ideas whats wrong?

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Welcome to QUADCRAZY. How long has it been sitting for? Have you checked the air filter under the seat?

* Added issue into your thread title.

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My money is on a sheared woodruff key, you will have spark, just not at the right time. I guess it is just as likely that you need to adjust your vavles, or there is some kind of malfunction with the decompression mechanism on the exhuasut cam, either way, if I am right you owe me $1,000,000.00. You can send that to my paypal account.

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In my experience usually backfires are caused by a lean condition or timing, like dirt demon said, woodruff key, stator, electrical issue, fuel delivery issue. are you sure it has enough fuel ? like is the sparkplug wet ? also, i would check your timing chain, your piston may be going up and down but your cams not opening the valves or they skipped a tooth. could also be water in the gas, alot of water, but hey, it could happen...

Edited by superswire

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Hello Im a new member and I have an 07 King 700 that just cut off while i was ridin across the yard...It turns over and the new plug is firing, the injector pulses, i had the valves reshimmed by a friend, it doesn't seemed to have jumped time and i borrowed my friends 700 to swap the computer and none of these things helped...it will backfire once in a while when you are trying to start it...im lost...what kind of woodruff key were you referring to in the older post? Any help would be great...my next move is gonna be to pull the stator cover and take a closer look at the timing chain.

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The woodruff key is under the stator cover, so you are already heading to the right place. It is there to keep the flywheel in the correct spot for proper ignition timing.

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