Fitment: WBBJ60 Yamaha World’s Drive Belt – Severe Duty Double Cog
- 2019-2021 UMAX
- 2012.5-2021 All Models – 4-stroke w/ FBT Clutches (non-Quietech Models)
- World’s Best belts made with Kevlar fiber. Therefore, they have the highest tensile strength available. As a result, it eliminates stretching, breakage and cord separation.
- The latest rubber compound technology available, as a result this will increase adhesion to clutch faces and longer life.
- Designed in cooperation with Glenn Erlandson, indeed CVT clutching guru.
- Certified to be within OEM required manufacturing spec.
- Compression side load capabilities, heat resistance up to 300 degrees, and stretching resistance. In other words, they exceed OEM belt quality in cord strength
- GBoost Technology logo/part numbers on the belts and belt sleeves to ensure correct fitment and the quality you paid for.
- GBoost Technology drive belts are made in the USA