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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Knock sound-YZ465
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[QUOTE="2stroke, post: 1428197, member: 25668"] Raced my 465 this weekend. Halfway through the last moto I noticed a knock...sort of a diesel sound...The frequency made me think it could be the piston, but it sure wasn't running badly. Happened most noticeably at lower RPMS/load. Getting on it hard shut it up, and I also head it in neutral later back at camp. This much I know, the clutch basket was loose when I bought it at the beginning of this year, previous owner suggested buying a new one, but I took a look and decided to run it a while...... I was being a little harder then usual on the clutch at this track, third gear all the way and feathering it in the corners, etc. Can a clutch basket give you this sort of noise? In some other motos before this, I would hear a chatter if I let the RPMs drop too low in too high a gear, probably related right? Im going to pull the clutch cover soon, but I wont be able to get to it for a while. Thanks for any ideas! Edit: The top end and crank and crank bearings all have at most 4 hours of novice time on them. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Knock sound-YZ465
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