Evolution Powersports - Can-Am Maverick X3 / X3 MAX Turbo RR TAPP Roller Primary Clutch with EVP ECU Power Flash

NEW EVP TAPP CLUTCH UPDATES (2024)

The all-new Roller Spider design for TAPP Primary Clutches replaces the original button spider assembly for instant power delivery due to reduced friction between the spider and movable sheave. This results in better belt grip, lower belt temperatures, extended belt life, and smooth engagement in any riding condition. The patent-pending TAPP Roller Primary Clutch represents the next revolution in clutching technology.

Updated Features

• Roller Spider Design: Creates less friction in the movable sheave compared to button spiders for a more responsive setup
• Center Bearing: New black nitrate coating adds hardness, prevents rust corrosion, and reduces friction for smoother clutch operation
• Larger Roller: Roller size increased from 2mm to 3mm for improved longevity under high horsepower and harsh conditions
• Post: Updated with additional material and new heat-treating process, preventing clutch slipping on the shaft for high-horsepower and drag racing builds
• Moveable Sheave: Added material with new roller spider design reinforces clutch towers for greater load-bearing capabilities
• Clutch Cover: Billet aluminum clutch cover features larger windows to allow additional weight without modification

Original Features

EVP-spec TAPP clutches are calibrated for stock through all EVP Paragon, Dynomite (DM), and Desert Storm (DS) turbo upgrades. These are the most fine-tuned, responsive, and dependable X3 primary clutches available. Experience throttle response that pins your back to the seat, responsive power delivery via excellent belt grip, and cooler clutch operating temperatures for enhanced belt and clutch life.

EVP-spec TAPP Primary Clutches for X3 models are calibrated specifically for use with the OEM secondary clutch with EVP internals including Shift-Tek Helix and Spring. If you don't have an EVP turbo package or are running a stock X3, you can still enjoy all benefits of an EVP-spec TAPP primary clutch. TAPP clutches are renowned for being incredibly easy to tune. EVP techs will calibrate your clutch to a specific horsepower level and desired RPM engagement.

All EVP TAPP primary clutch kits include a full standard weight kit as well as tungsten race weights (set of 8).

Durable Performance: Designed with the durability that high-horsepower UTVs demand, TAPP clutches are built from billet aluminum and high-tech materials that withstand extreme heat and extend clutch life. EVP has used TAPP clutches on all-out drag race Can Am X3 and Polaris XPT vehicles with very high engagement launches without failure. The OEM primary clutch is reliable up to about 300 hp, but an EVP TAPP primary easily handles 200-500+ hp across all terrain and riding styles—drag racing, duning, trail riding, rock crawling, short course, and desert racing.

Adjustable & Versatile: TAPP clutches allow your clutch to easily evolve as your UTV's power level increases. Two-sided ramps are swapped in minutes with just an Allen wrench. Clickers are adjusted externally to raise or lower the entire shift pattern. Roller arms allow mass to be added or removed by removing the clutch cover. A variety of TAPP and EVP primary springs are available for fine-tuning. The TAPP clutch is extremely forgiving, allowing a wide variety of helix angles to work with a given primary clutch calibration.

Cooler Temperatures: TAPP primary clutches run cooler than any clutch on the market. High-tech materials, extensive venting for optimum airflow, and cooler belt temperatures thanks to multi-angle curved sheaves all contribute to extending belt and overall clutch life even under demanding conditions.

Instant Throttle Response: TAPP primary clutches deliver responsiveness and durability from the CVT drive system whether your UTV is relatively stock or all-out big turbo drag race trim. Centralized mass and lightweight, low-inertia design coupled with multi-angled curved sheaves and custom ramp angles deliver unbeatable belt grip, instantaneous throttle response, and surefire power to the ground.

Smooth, Quiet Operation: The arms ride on a ramp system instead of swinging out like traditional flyweights, allowing the clutch to perform with minimal vibration and remarkable smoothness. You will feel and hear the difference.

Calibration Guide

There are four main adjustable components in an EVP Spec TAPP Clutch:

Ramp Profile: Your TAPP clutch comes with pre-chosen ramps tested in many scenarios and deemed most generic for most situations. Changing the angle or profile of the ramp affects the shift profile and should only be done by an experienced tuner. You will likely not need to change this.

Ramp Angle: The ramp angle is adjustable from the outside via Quick Shift Bolts. The higher the number, the higher the RPM. This mainly affects the full shift speed but also affects engagement and low speed slightly. Always adjust the ramp angle in pairs across from each other. If you do not, the clutch will be out of balance.

Roller Size: Your clutch was shipped with a predetermined roller size for your application. Three sizes are available: standard, 1mm oversize, and 2mm oversize. Bigger rollers make the low end quicker RPMs but shift out quicker and lower the full shift RPM. Smaller rollers make the engine slower to shift and raise the full shift RPM. Roller size must be adjusted in pairs across from each other. Failure to do so will result in clutch imbalance and possible failure.

Weight Adjustment: Weight in the arms can be adjusted via set screws in the arms and washers on the roller through bolt. Add weight to lower RPM, remove weight to raise RPM. Set screws in the arms affect low-speed shift points more than high speed and reduce max RPM. Weight on the roller bolt acts like tip weight in a conventional clutch, affecting high speed more than other parts of the curve. Adjust this evenly and only in pairs across from each other. Failure to do so will result in clutch imbalance and possible failure.

Disclaimer: EVP only offers tech support for EVP-Spec TAPP clutches purchased directly from EVP. All EVP Calibrated TAPP Clutch primaries may require minor calibration changes. If you need tuning support, please reference the instructions page or contact the technical department. EVP Team members are available from 8:30am to 5:00pm CST: (715) 247-3862