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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250f won't start... help?!
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[QUOTE="hoosierf, post: 208493, member: 23079"] Here goes boss, the end of your troubles. Your bike is a little bit lean. Turn your pilot screw 1/4 to 1/2 turn out and the gremlin will light much easier for you. The giveaway is the blipping of the throttle 4 times then it is cold. I made a pilot screw tool by pressing a wire nut with an aluminum insert onto a screw driver bit like you would use in a drill. Turn the pilot screw out, you won't be sorry. You need the blips of the throttle when it's cold to get enough fuel to light it up. There's no magic to riding it more and then it will suddenly start easier. You get better at starting it! You don't break the bike in, it breaks you in. If it starts hard in the spring when it warms up, you'll need to go in on the pilot to reverse what you've done. Good luck. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250f won't start... help?!
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