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Engine noise at high RPM

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I have 370Km on my DRZ400S and is still breaking her in. I've noticed that the engine makes a ting ting ting noise at high RPM's. With no tach, I can't tell for sure what rpm I'm at when it does this, but it's usually just abit before it hits the limiter. I would guess 9000 rpm. Is this normal? Will it go away after the engine is fully broken in? :cry:

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Sounds like Suzuki valve noise to me, they all seem to do it. A freind at a Suzuki shop told me it's because they use thinner valve covers than other manufacturers. You will also get a bit more valve noise through the airbox when the throttle is wide open.

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