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Koso Timing Chain Tensioner Upgrade

Koso Timing Chain Tensioner Upgrade

$135.00 CAD
$143.00 CAD $135.00 CAD
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This Koso Timing Chain Tensioner kit prevents the failure of the stock rubber wheel that falls apart after extended high RPM use. 

"Made from resistant high quality material, our Koso chain tensioner could save your engine from expensive damage. We came up with this long lasting solution to replace the OEM chain tensioner which has a tendency to wear prematurely."

Flywheel removal is required to install this product.

Great when paired with the Decha Performance manual chain tensioner!

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Customer Reviews

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J
Jackson S.
Fantastic. I have run this in all of my Bikes

This is a must have for anybody doing any performance mods to their Grom.
I happened to pick up a 2022 grom, and this was the first thing I got because I've used it on all my bikes in the past.
5 Groms and this little thing has potentially saved all of them.
Unfortunately for my first Grom engine, the stock tensioner did fall apart.. and the chain jumped timing a few too many teeth until the cylinder met the valves.
This has been my answer ever since.