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H2 Belt Testing

Cornell Customs LLC

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Sep 7, 2025
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Here are details on different belts for the Teryx H2.
The longer G-Boost belt several are selling and recommending is 1 1/8” longer than the factory H2 belt which gives you some gear reduction but the secondary id now fully closed and the belt is not quite as tight (not really an issue with a center bearing primary clutch)
The OEM KRX belt is 49” long which is 3/8” longer than the G- Boost and 1.5” longer than the OEM H2 belt, with the stock secondary the belt is loose but with our secondary modifications the belt is tight with no deflection and gives even more low end gear reduction than the G-Boost belt.
We are still testing and seeing how the OEM KRX belt holds up on the H2 and we may try to develop an even longer belt to get as much gear reduction as possible for the rock crawlers.

 
Seems the Kawasaki H2 needs more than just belts. Having primary & secondary clutches blowing apart is a big concern. Still confused why Kawi did not put cooling fins on the secondary. It would help pull more air through, but also transfers and dissipates the heat.
 
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