Scooter Parts & Performance Upgrades
GY6 • Ruckus • Go-Karts • ATVs • Dirt Bikes • Razor Scooters
Fast U.S. shipping on engine, electrical, CVT transmission, carburetor, brake, tire, body, and performance parts.
Welcome to ScootsUSA — America’s #1 Source for Scooter Parts & Performance Gear
From vintage Vespa to modern GY6, we’ve got the parts that keep your ride alive. ScootsUSA is your go-to destination for high-quality scooter parts, accessories, and performance upgrades. Whether you’re restoring a classic or tuning for speed, we stock the brands you trust—Dellorto, NCY, Dr. Pulley, SSP-G, and more.
- Engine & Transmission Parts – GY6, QMB139, 2T & 4T
- Electrical Components – Regulators, CDI units, stators
- Performance Upgrades – Clutch kits, variators, roller weights
- Body & Frame Accessories – Racks, mirrors, grips, panels
- Tools & Maintenance – Pullers, seal kits, installation guides
Free Shipping. Fast Delivery. No Hassle.
We offer free shipping on all orders across the lower 48 states. Orders placed by 1PM EST ship the same day. Because when your scooter’s down, every minute counts.
Popular Scooter Parts & Accessories
Quickly find the replacement parts, maintenance items, and accessories ScootsUSA customers shop for most often.
Scooter Tires
Shop replacement and performance tires in popular scooter sizes.
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Drive Belts
Find replacement CVT drive belts by size, brand, or application.
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Roller Weights
Tune acceleration and performance with round and sliding weights.
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Chains
Replacement chains, master links, and adjusters.
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Scooter Batteries
Replacement batteries, chargers, terminals, and related parts.
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Brake Parts
Brake pads, shoes, calipers, rotors, levers, and brake hardware.
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Carburetors
Complete carburetors, rebuild parts, jets, and fuel-system components.
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Air Filters
Stock-style and performance air filters for scooters and mopeds.
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Electrical Parts
Controllers, CDIs, starters, coils, switches, and wiring components.
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Variators & Clutches
CVT variators, clutch assemblies, drive faces, and transmission parts.
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Shocks & Suspension
Replacement shocks, forks, suspension parts, and mounting hardware.
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Scooter Accessories
Covers, mirrors, grips, racks, trunks, locks, and everyday accessories.
Shop NowParts Fast‑Lane: Common Searches — Pick One Below to View Parts:
(or use Search Bar above)
QMB139 50cc 4-stroke Parts
The QMB139 engine, also commonly written as 139QMB, is one of the most common 50cc four-stroke scooter engine platforms. Many Chinese, Taiwanese, and private-label scooters use this engine style or a closely related version.
GY6-150 (125-150cc) Parts
GY6 150cc scooter parts are used on many mid-size four-stroke scooters, including scooters with 152QMI, 157QMJ, and related GY6-style engine platforms. These engines are common on many 125cc and 150cc scooters sold under different brand names.
Minarelli-style 2-stroke Parts
Minarelli-style 2-stroke scooter engines are used in many 50cc scooters and performance scooter builds. These engines are often found in Yamaha-style, Jog-style, Zuma-style, and other 2T scooter platforms, but fitment can vary by engine layout and scooter model.
Honda Ruckus Parts
The Honda Ruckus is one of the most popular 50cc scooters for commuting, customization, and performance upgrades. Many Ruckus owners look for replacement parts, maintenance items, CVT tuning parts, tires, brakes, electrical parts, and accessories.