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Dirt Bike Brands - Other
03 YZ 450F Valve issue?
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[QUOTE="Griffdog, post: 1406015, member: 119899"] Hi, I'm new to this forum and I have an issue thats driving me nuts. I purchased a 03 YZ 450f recently that ran perfectly until i noticed that I was losing coolant due to a blown head gasket. Unfortunately, upon putting back together, I didnt time it exactly correct and noticed that after a min or so after starting it, that the pipe was glowing red due to a valve being stuck open. I thought I could have bent a valve so, I replaced the exhaust valves and after reshimming, and proper timing, I still have the same issue..... Am I missing something? I'm not the most mechanically inclined, yet this is my first 4-stroke, so Im still somewhat of a newbie.... Anyone's thoughts would be greatly appreciated. Thanks!! Griffdog [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
03 YZ 450F Valve issue?
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