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Yamaha MX & Off-Road Dirt Bikes
YZ250f won't start... help?!
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[QUOTE="MWEISSEN, post: 207373, member: 16873"] Just a couple more tips on starting, learned from owning a WR400F and a Yz250F: 1. When new, both of my bikes were a bear to start. With break-in time, they both got easier. 2. Both react identically - when cold, a twist of the throttle helps "prime" the engine. 3. When they don't start within 4-5 kicks, they're usually full of gas. I've NEVER got the pull-the-compression-and-kick-20-times routing to work. What works for me when warm is to also pull the hot-start button to give the engine a shot of lean air. 4. When REALLY flooded badly, a fresh plug is in order. After pulling out the plug, turn off the gas and kick the engine through to blow out the gas still in the engine. When cold, and I just want to get the thing going, I've loosened the air cleaner and shot the carb with starting fluid. THEN the thing will start first kick! So far I've found the 250F more tempermental in the cold to start than the 400 to start. And the 250 seems to not like more than one twist of the throttle. Hope these help too! [/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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