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Dirt Bike Brands - Other
'98 YZ400F engine noise
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[QUOTE="EdLennon, post: 656006, member: 18402"] Hi all, First of all, I want to say thanks for the input I received last week. You guys were spot on with regard to my bike sputtering and popping. I had a little bit of crud build up in the carb. I took it apart, cleaned the whole thing with carb cleaner and blew air thru all the jets. The thing now behaves like normal. Well, almost...hence my plea for help once again. When I finished putting around the yard tonight, I happened to hear a faint "jingle" type noise coming from the engine. I can't seem to figure out just exactly WHERE it's coming from, but it's there and it's bugging me. I don't exactly know what to do or what to look at first, so any advice you guys can dish out, I'm willing to try. Could the chain tensioner need to be adjusted? Also, there is a black breather tube coming down the left side of the frame that appears to begin at the top of the engine (maybe some sort of PCV valve or something?). Well, I have owned this bike since new in '98 and never noticed puffs of air coming out that tube, but that is what seemed to be happening tonight. Is that normal? I don't have anyone near me that owns one that I could check out. Thanks once again for your advice, Ed Lennon [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
'98 YZ400F engine noise
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