A few weeks ago my stator went out on my 04 Raptor. I replaced it with an aftermarket one but when i put it back together it will not start. it is getting spark and fuel and sometime it will start for a second and then have a huge backfire and die. Any ideas on what is wrong? Did i somehow get it out of time? Any help would be greatly appreciated[img]i/expressions/face-icon-small-smile.gif[/img]

 

Cmon, Any Ideas Please...............

 

Send it back and buy a stock one? That or call the company and have them troubleshoot you.

 

you prolly have it timed wrong... and it is firing to early or late

 

Sounds like a busted valve....... Just had to replace the top end in my boys raptor. Take off the tank and undo the valve cover. Turn over the motor without starting it and see if all 3 valves move. Try to move them also.

 

Anybody know how to check the timing?

 

Does the gear inside the front cover change the timing at all? Is it supposed to line up a certian way.

 

Have you fixed your problem yet?

 

Nope i don't have any ideas, any thoughts?

 

Holy Crap the same thing just happened on my raptor. I put anothere yamaha starter in instead of an after market though. It cranks up and idles fine but when you push the throttle it starts popping and backfiring. We put a new plug in but still the same thing. Oh and redwingsrule05, make sure you connected the main ground back when you put the crankcase cover back on.