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United Express Distribution  |  SKU: STTR-0023-U1

Complete Inner Rotor Kit for Honda XR50 CRF50 XR70 Z50 SDG SSR Coolster Taotao Baja Dirt Pit Bike

Regular price $39.57


Pickup available at 2875 N Berkeley Lake Rd NW #4

Usually ready in 1 hour

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Description

Upgrade your dirt bike's performance with this RedCap Magneto Coil Stator Inner Rotor Kit, designed for 50cc-125cc engines, including XR50, CRF50, XR70, Pit Bike, and Mini ATV engines. This kit is engineered for optimal efficiency, reducing the weight of the traditional flywheel’s magnetic rotor to make the engine lighter, faster, and more responsive. With the ability to rev freely from idle to a high speed of 15,000 RPM, this inner rotor kit ensures a quicker throttle response and enhanced acceleration, making it a perfect choice for racing applications. Built with a precision magnetic rotor structure, it provides consistent ignition timing and improved performance for stock and high-performance motors.

Designed for Honda horizontal kick-start engines and compatible with brands like BBR, Thumpstar, SSR, and Sikk MX, this inner rotor kit is a must-have for riders looking to gain a competitive edge on the track. Its compact and durable construction ensures long-lasting reliability, while the bolt-on design allows for easy installation. The kit includes all the necessary components to provide a seamless upgrade for your bike’s ignition system, improving both speed and efficiency. Whether you're an off-road enthusiast or a competitive racer, this inner rotor kit is the ultimate upgrade to take your ride to the next level.

  • Compatible with: Designed to fit popular models like XR50, CRF50, XR70, and other horizontal kick-start engines, this inner rotor kit is compatible with different Chinese-made and Honda-based dirt bikes. Whether upgrading a mini ATV, pit bike, or racing machine, it provides seamless integration for improved acceleration, power, and overall riding performance.
  • Boost Acceleration: This inner rotor kit eliminates excess flywheel weight, allowing your 50cc-125cc dirt bike or pit bike to rev faster and reach up to 15,000 RPM. Reducing rotational mass enhances throttle response, providing rapid acceleration, better torque delivery, and improved engine performance for competitive racing and off-road adventures.
  • Maximum Engine Efficiency: Crafted for high-speed performance, this rotor significantly reduces drag on the crankshaft, ensuring smooth and unrestricted engine revolutions. The lightweight design optimizes power transfer, allowing stock and performance engines to rev freely, resulting in quicker acceleration, enhanced top-end power, and a noticeable improvement in riding dynamics.
  • Accurate Ignition Timing: Featuring a built-in magnetic rotor, this kit provides stable and efficient ignition timing, enhancing engine performance at all RPM ranges. The consistent spark delivery improves combustion, reduces misfires, and ensures reliable operation, making your dirt bike or pit bike more responsive and powerful, whether on trails or race tracks.
  • Easy Installation: Engineered for simple installation, this kit comes with precise mounting points and a hassle-free setup. Whether upgrading a stock motor or enhancing a high-performance engine, this plug-and-play inner rotor ensures an easy fit, allowing riders to experience instant power gains, improved engine responsiveness, and better handling without extensive modifications.
Specs:

  • Outside Diameter: 115mm
  • Inside Diameter: 18mm
  • Width: 54mm
  • Bolt Hole Spacing: 101mm
  • Bolt Hole Diameter: 7mm
  • This product is a built-in magnetic rotor structure. It can get rid of the weight of flying wheel magnetic rotor so the engine becomes light and speedy. The engine can run freely and well from idling to high speed of 1,5000 RPM. This product can be used for various engines of racing bikes. It works better in all stock or high performance motors because the motor can rev free with not as much weight on the crankshaft 
Known to Fit: 

  • Fit XR50, CRF50, XR70, Pitbike and Mini ATV Engines: XR/CRF 50, 70, Z 50, BBR, Thumpstar, SSR, Sikk MX. most Chinese made and most HONDA Horizontal kick start engines, will not work on electric start engines.
Note: Please verify that you have the correct size as two different sizes are available for this same unit.

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