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ZX2R Cam chain rattle.

4K views 12 replies 5 participants last post by  maybellene 
#1 ·
I know these ZX2Rs have a bit of a rattle and that it's normal, but how much is too much?

The ticking/rattle sound is overpowering at idle and lower RPM.

Here's a video of the sound.
https://www.youtube.com/watch?v=E_tzPgVUles
 
#2 ·
There's scant experience with 250 4-cylinders over here since they don't sell them in the States, but the cure for camchain rattle on ANY machine is a manual tensioner. No idea where you would find one for your bike, but a good machine shop could make one if they knew the thread size, opening size and bolt length needed.

Bikes used to come with manual tensioners then some engineer figured it was one more thing that needed to be idiot-proofed and invented the automatic tensioner. Unfortunately, they tend to be a bit wimpy with age and cease doing a proper job.
 
#3 ·
When's the last time you had your valves done?
 
#6 ·
The zxr engines sound like tractors especially with tight valves.
 
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