NCY Super Transmission Kit - Honda Ruckus/Metropolitan
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Eliminate the factory bottlenecks and unlock your engine's true potential with the NCY Super Transmission Set. This isn't just a single part—it is a comprehensive re-engineering of your scooter's Continuously Variable Transmission (CVT). By replacing your restrictive stock components with NCY’s precision-machined racing gear, you achieve smoother power delivery, snappier throttle response, and a significant increase in top-end speed—often gaining 3-5 MPH on an otherwise stock 50cc engine.
What’s Inside the Kit?
- Performance Variator: Features optimized roller ramps and a larger diameter to allow the belt to travel higher, effectively giving you a "taller" top gear.
- Ultralight Drive Face: Reduces rotating mass on the crankshaft, allowing the engine to rev into its powerband faster for superior acceleration.
- 3 Sets of 16x13mm Roller Weights: Includes 3 weight sets designed to balance low-end "snap" with high-end velocity based upon your preference.
- Adjustable Sheave Clutch Pulley: An adjustable torque driver improves takeoff power (quicker acceleration) and optimizes top-end speed by managing belt position.
- 1000 RPM Torque Spring: high-tension compression spring eliminates belt slip and provides consistent back-shifting during hill climbs.
Comprehensive Fitment Guide
This Super Transmission set is a direct bolt-on for Carbureted Honda GET 50cc engines:
| Model | Compatible Years |
|---|---|
| Honda Ruckus (NPS50) | All Years (2003 - Present) |
| Honda Metropolitan (CHF50) | 2002 - 2012 (Does NOT fit "Met II" or 2013+ NCH50) |
Technical Specifications
- Brand: NCY
- Material: CNC-Machined Aluminum & High-Tensile Steel
- Roller Size: 18x14mm
- Roller Weights: 3 different weights for tuning
- Installation: Direct Fit
Mechanic's Note: Must re-use stock variator ramp plate.
Installation Tip: Use a Variator Holding Tool to ensure the drive face nut is torqued to factory specifications.
This product is intended for off-road use only.
This product is not intended for use on public roads or land.
Notice: Performance parts, electrical parts, and tools are NOT refundable or covered by warranty.
Reference https://www.scooterworks.com/pages/policies for more information.
WARNING: California’s Proposition 65
SKU: 1200-1220
Vendor: NCY
UPC: 812722027315
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.