Comparison of two Cam Chain Tensioners, also known as Timing Chain Tensioner.
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KTM orig. hydraulic vs MINO Racing cam chain tensioner |
We have for comparison an original KTM hydraulic Cam Chain Tensioner and a mechanical Cam Chain Tensioner by MINO Racing.
Why should I change the Cam Chain tensioner on my bike, it still works!

In Motorsports, mostly Enduro, Hard Enduro and also Enduro Cross it happens during Competition that the motorbike comes to a halt or even the engine pops of. This is the moment when oil pressure drops leaving the hydraulic timing chain tensioner without Juice... Now the tensioner can colapse and leave a loose Cam Chain which can slip over some teeth if the bike is moved while in gear but with the engine off.
You will get rid of any risk with a mechanic timing chain tensioner.
Most Riders report a rattling sound coming from a rattling Cam Chain after a cold start or when they bog the engine. This is from low oil pressure leaving the hydraulic cam chain tensioner without tension.

A mechanic cam chain tensioner is easily installed and adjusted for perfectly keeping the same tension on your cam chain excluding any possibility for a chain slip.
You can follow the installation here.