Stage 1 Performance Kit: Genuine Buddy 50 & Roughhouse

Unlock Your Potential: Stage 1 Performance Tuning Kit Transform your Genuine 50cc 2-stroke with our Stage 1 Performance Kit . By combining a high-flow expansion chamber exhaust with precision-matched transmission and fueling components, this kit delivers a noticeable increase in acceleration, hill-climbing torque, and top-end speed. What’s in the Box? Prima 50 Performance Pipe: A tuned expansion chamber that allows your engine to breathe, providing a deep, sporty exhaust note and increased horsepower. NCY 1500rpm Compression Spring: A stiffer "secondary" spring that keeps the CVT in a lower gear ratio longer for lightning-fast takeoffs and better back-shifting on inclines. Prima Roller Weight Set (6.0g): Precisely weighted 16x13mm rollers to optimize your transmission’s "shift point" for maximum power delivery. Prima Main Jet Kit: Essential Keihin-style jets to enrich your fuel mixture, ensuring your engine stays cool and lubricated with the increased airflow. Comprehensive Fitment Guide This kit is specifically engineered for Genuine Scooter Co. 50cc 2-Stroke engines, including: Model Series Compatibility Note Genuine Buddy 50 All years (2-Stroke models only) Genuine Roughhouse 50 All years / Sport & Special Editions Genuine Black Cat / Rattler 50 Direct bolt-on performance upgrade Technical Specifications Performance Gain: Estimated 10-15% increase in top speed and acceleration. Jet Style: Keihin PB (Main Jet) Roller Size: 16x13mm Spring Tension: 1500 RPM (High-Compression) Mechanic's Note: This kit is the "gold standard" for de-restricting a Buddy 50. Note: This kit requires an Exhaust Gasket (0500-1008) , which is sold separately. For maximum results, we recommend checking your spark plug color after the first 10 miles to ensure your jetting is perfect. SKU: PKBUD50-1 Bundle Discount: Save 10% compared to buying parts individually. RACING NOTICE: This product is intended for closed-course competition only. It is not compliant with EPA or CARB regulations for use on public roads or lands. Save 10% by purchasing this kit, as opposed to buying the parts individually. Voids your factory warranty--throw caution to the wind! Kit Includes: