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United Express Distribution  |  SKU: CRNK-0001

17 Tooth Crankshaft Assembly for GY6 150cc 4-Stroke Engines (TaoTao, Roketa, Kazuma, SunL)

Regular price $60.47


Pickup available at 2875 N Berkeley Lake Rd NW #4

Usually ready in 1 hour

Will it fit your machine?

Not sure? Text or email a photo of your old part or your engine model number. We'll confirm it fits before you buy.

Delivery and Shipping

Ships from our Duluth, Georgia warehouse.

Most in-stock orders ship the same business day. UPS orders placed before 3:00 PM ET, USPS orders before 12:00 PM ET. After the cutoff, they go out the next business day.

Standard delivery runs 2 to 6 business days to most US addresses. US territories take 7 to 14. These are carrier estimates, not guarantees.

Free shipping on most parts, no minimum order. Oversized items (body kits, wheels, tires, batteries, and engines) are quoted to your address and shown at checkout before you pay.

We ship UPS and USPS, and email your tracking number as soon as the order leaves.

Questions? Call or text 404-532-9833. Full details on our Shipping page.

Description

Upgrade your engine's performance with the RedCap Crankshaft Assembly for 150cc GY6 4-Stroke Engines, a perfect replacement and performance-boosting component for most Chinese scooters, ATVs, go-karts, and mopeds. Built to OEM specifications, this crankshaft is engineered for precision, strength, and smooth operation. Whether you're restoring a worn-out engine or looking to maximize power output, this 17-tooth crankshaft provides exceptional reliability and torque for everyday commuting or off-road adventures.

Crafted with durable, heat-resistant materials and designed to reduce internal friction, this crankshaft ensures long-lasting engine life and optimal performance. Compatible with popular brands like TaoTao, Roketa, Kazuma, Jonway, SunL, Tank, Peace, and more, it fits most 150cc GY6 engine-based vehicles and even supports some 125cc models. Easy to install with included bearings, this crankshaft delivers consistent power, smoother acceleration, and a better riding experience, making it a top-tier choice for scooter and kart enthusiasts.
  • Perfect Fit: Crafted for maximum compatibility, this high-performance crankshaft assembly fits most Chinese scooters, ATVs, and go-karts powered by 150cc GY6 4-stroke engines. Engineered to OEM specs, it ensures a smooth fit and dependable operation without the need for extensive modifications.
  • Boosted Power: Experience a noticeable performance upgrade with enhanced torque and quicker acceleration. The optimized design reduces friction and increases engine responsiveness, giving riders the edge they need for high-speed cruising, uphill climbs, or performance tuning projects.
  • Heavy-Quality Materials: Constructed with top-grade alloy steel and precision machining, this crankshaft resists wear, corrosion, and thermal fatigue. It’s built tough to handle extreme riding conditions, extended mileage, and high RPMs making it the ideal replacement for stock components that fall short.
  • Consistent Reliability: Whether you're restoring, upgrading, or tuning your 150cc GY6 engine, this crankshaft delivers consistent performance mile after mile. Its advanced design minimizes vibration, improves balance, and reduces engine strain, extending the life of your engine and reducing maintenance needs.
  • Easy Installation: This assembly includes key specs like 15mm inside diameter, 17-tooth timing sprockets, 19-tooth spline, and M12x1.25 thread sizes. With a total length of 285mm and pre-installed 63/22x2 main bearings, it simplifies your rebuild process and ensures a hassle-free, drop-in installation.
Specifications:
  • Inside Diameter: 15mm
  • Level Sprocket (Timing Driving Sprocket): 17 Teeth
  • Wide Level Sprocket: 17 Teeth/17 teeth
  • thin level spline: 19 Teeth
  • Overall Length: 285mm
  • Flywheel Thread Size: M12x1.25
  • Flywheel Thread Length: 14mm
  • Drive End Thread Size: M12x1.25
  • Drive End Thread Length: 14mm
  • Main bearings included Bearing marked 63/22x2. (Inner Diameter: 22mm, Outer Diameter: 56mm)
Fits:
  • Coolsport Peace TaoTao Roketa Kazuma Sunl Gator Baccio Tank Quinqui Jonway Keeways Vento Electra Baja Honda Redcat UM Italika JMSTAR

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