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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="oabike, post: 207190, member: 23245"] I had an 01 250F. Try this...when it is cold,give it 2 blips of gas before you do the start drill. If you do flood the carb you can drain the bowl by turning off the gas and tipping the bike over or you can unscrew the 3mm allen head and the gas will flow out of the bowl. Try turning the fuel screw in or out depending on your altitude and temp. You can also try this...when it is cold, pull the hot start and give it gas like a 2-stroke. It worked for me in a pinch. You can always...bump start it using the decompression lever QUICKLY. The good news is...the bike WILL start easier after a few tanks of gas. The bad news is...the bike is tempermental. There will always be a starting drill. Yamaha needs to work on this . It is unforgiveable. Investing in a BBR kickstarter and doing the BK mod to the carb will aid in starting too. On a side note...I put a Dubach pipe on mine and it is the best mod you can do for performance. They are coming out with a cool airbox 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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