XR400R Making Funny Noise

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2-stroke junkie

Pack Dog
Joined
Aug 29, 2012
Messages
57
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Location
Robin Acres, Randburg, Gauteng
Bike
Honda XR400
My XR400 makes this tapping/knocking from around the top end.
I do not think it has always done it but can't remember when it started, and sure its getting louder.
Once the bike is completely warmed up it goes away and some days the noise is louder than others.

Took it past bike shop and they say its the tappets and cam, ~R6k to fix.
Does this sound right? I would like to know what other's experiences have been.
 
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