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Yamaha MX & Off-Road Dirt Bikes
YZ250 8000+ RPMs at 1/4 Throttle (No Load)?
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[QUOTE="YZmidLife, post: 1406640, member: 73862"] Well, it's been a long time between rides and I owe an update. Clutch seems to be okay. There's never been an issue with it slipping when I'm taking off or going uphill. Checked all the electrics as per the manual, repacked the silencer, new plug, fresh gas, went down one size on the main jet (although that's probably not having a chance to come into play), measured the float [U]height[/U], and it was a bit colder outside than the last time I was out. She smoked like a chimney for the first 10 minutes, and then only wound up to almost half throttle once warmed up. I had a suspicion that something funky is happening with my float valve, so I made a tool to check the fuel level similar to the one at the end of this video. [url]http://www.youtube.com/watch?v=_qAVXneKAkU[/url] The fuel level is showing at about 1/2 an inch above the mating surface of the bowl. I'm assuming the fuel level should be equal to the level of the mating surface and that the float should not be mostly submerged as it sits in gas. Does anyone know what this level should be for a Keihin PWK? [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250 8000+ RPMs at 1/4 Throttle (No Load)?
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