Yamaha

Upgrade your CVT drivetrain with the NCY Generation 4 Performance Lightened Clutch — a high-revving 107mm racing clutch assembly finished in signat...

Ditch your soft, clapped-out stock tubes and transform your front-end tracking with the premium NCY Performance Front Fork Assembly. Engineered spe...

Unlock the full gear range your CVT was designed for. Dr. Pulley 20x12mm Sliding Weights replace the flat-spotting round rollers in your variator w...

Stealth Power: RDLN Low-Profile Sport ExhaustBoost your scooter's performance without drawing unwanted attention with the RDLN Sport Pipe. Designed...

NCY Fixed Brake rotor is a badly needed upgrade for ANY scooter with a Yamaha Jog fork layout! Fits Genuine Buddy 50, and some Yamaha Zuma models. ...

The Polini Performance Variator Kit is widely regarded as the gold standard CVT upgrade for the pre-2022 Yamaha Zuma 125 (BW/BWS 125) and Yamaha Cy...

This latest system hinges on the new Fixed Pulley of the torque driver that has a larger diameter and the very latest specifications. The larger di...

The Polini Performance Variator Kit is widely regarded as the benchmark upgrade for the Yamaha C3 and Zuma 50F 4-stroke CVT system. The larger 95mm...

Unleash higher top-end speeds and lower your cruising RPMs with the premium Polini Aftermarket 13x44 Up-Gear Set. Specially engineered for 50cc 2-s...

Dial in your scooter's CVT performance with Prima 20x12mm Precision Roller Weights. The weight of your rollers determines when your variator "shift...

Prima 15x12 roller weight set for Minarelli 50cc 2-stroke 1PE40QMB engines (including all Yamaha-based 50cc horizontal 2T engines). Original Parts ...

Unlock the full gear range your CVT was designed for. Dr. Pulley 20x12mm Sliding Weights replace the flat-spotting round rollers in your variator w...

Polini Corsa 2T Big Bore Kit for the Pre-2002 Yamaha Zuma 50cc 2-stroke. This is the vertical cylinder engine. Not legal for use in California on ...

Upgrade your CVT with the gold standard in scooter performance, the Polini Performance Variator Kit. Widely regarded as the best variator on the ma...

Clutch housings are often overlooked when looking for extra power. Light weight housings allow for quicker acceleration and more efficient cooling....

Get better acceleration by upgrading your clutch springs! 1000 RPM NCY clutch springs, set of 3. Clutch springs help determine the RPM that the clu...

Dial in your scooter's CVT performance with Prima 20x12mm Precision Roller Weights. The weight of your rollers determines when your variator "shift...

Dial in your scooter's CVT performance with Prima 20x12mm Precision Roller Weights. The weight of your rollers determines when your variator "shift...

Treat yo'self and your Yamaha Zuma 125 to this high-performance drive belt from Polini. This belt has been tried and tested and is as sturdy as it ...

Pairing your Dr. Pulley slider weights with the matching ramp gudes maximizes your variator performance and longevity.  These slides are manufactur...

Prima OEM-style replacement brake pads for Genuine Black Cat, Rattler, and RoughHouse scooters, Yamaha Zuma and other 50cc 139QMB bikes. NOTE: The...

Tune your CVT engagement point with the NCY 1000 RPM clutch compression (contra) spring. The contra spring controls two things: it supplies pressur...

The Scooterworks Sport Exhaust is an easy upgrade from the stock exhaust on your 2-stroke (2T) Yamaha Zuma or BW - model years 2003-2011. Specifica...