More Power to the Ground. Less Belt Slip. Longer Belt Life.
The EVP TAPP Secondary Clutch for the CFMOTO Z10 brings the same innovative engineering and performance-driven design found in TAPP's revolutionary primary clutch to the secondary clutch system. Engineered to address three of the biggest weaknesses in conventional secondary clutches—durability, roller life, and belt clamping force—the TAPP Secondary delivers exceptional performance without relying on excessive spring pressure or cumbersome dual-spring configurations.
At the heart of the design is an oversized helix diameter that generates substantially greater belt clamping force, combined with a larger helix contact surface that accommodates wider, more durable rollers. The result is improved power transfer, reduced belt slip, lower belt temperatures, and significantly improved durability, even in extreme high-horsepower applications.
But TAPP didn't stop there. An innovative torsionally adjustable spring cap and replaceable helix ramps introduce an entirely new level of tuning flexibility. Instead of purchasing complete helix assemblies to change shift characteristics, simply replace the individual ramp sections to achieve the desired helix angles. Spring torsion can also be adjusted independently, giving tuners greater control over clutch response and shift characteristics.
Testing has also demonstrated substantial improvements in shift characteristics, belt temperatures, and belt life compared to the factory secondary clutch.
For the ultimate CFMOTO Z10 clutch combination, pair the EVP TAPP Secondary Clutch with the EVP TAPP Primary Clutch and the Ultimax XS 813 Drive Belt. Together, these components deliver exceptional shift performance, maximize power transfer to the ground, and help extend belt life across everything from recreational trail riding to extreme drag racing.
More horsepower to the wheels. Better shift characteristics. Lower belt temperatures. Longer belt life. The EVP TAPP Secondary isn't just another clutch upgrade—it's a fundamentally better approach to secondary clutch design.
FEATURES & BENEFITS
- Oversized Helix Diameter – Superior Belt Clamping Force: The larger helix diameter provides increased mechanical leverage, allowing the secondary clutch to generate greater belt clamping force without excessive spring pressure. Conventional designs are limited by smaller hub diameters that restrict spring size and available clamping force. The TAPP design overcomes these limitations, eliminating the need for dual-spring configurations in many high-horsepower applications.
- Larger Helix Contact Surface – Exceptional Roller Durability: A significantly larger helix contact surface accommodates wider rollers, distributing loads over a greater area and dramatically improving durability. In EVP testing, TAPP Secondary rollers have survived hundreds of aggressive drag racing launches at 5,000 RPM under high boost—conditions that can damage or destroy conventional secondary clutch rollers in just a handful of passes.
- Replaceable Helix Ramps – Affordable, Flexible Tuning: TAPP's innovative replaceable helix ramp design allows users to change helix angles without purchasing an entirely new helix assembly. Simply replace the ramp sections to fine-tune shift characteristics for different horsepower levels, riding conditions, or racing applications.
- Adjustable Spring Torsion – Precision Shift Calibration: The torsionally adjustable helix cap incorporates multiple adjustment positions, allowing spring preload to be tuned independently. This provides another valuable calibration tool for optimizing backshift response, belt clamping characteristics, and overall clutch performance.
- Reduced Belt Temperatures & Extended Belt Life: Improved belt clamping and reduced slip help minimize heat generation, one of the primary contributors to premature belt wear and failure. When properly calibrated, the TAPP Secondary can significantly improve belt longevity, whether you're trail riding, dune riding, or competing in high-horsepower drag racing.
- Engineered for Extreme Performance: From stock and mildly modified CFMOTO Z10s to extreme high-horsepower builds, the EVP TAPP Secondary delivers the strength, adjustability, and power transfer needed to perform under demanding conditions.
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