Description
Product Overview
The PowerMotor KS121 kick starter lever is engineered for small displacement 4‑stroke engines commonly found in scooters, ATVs, quads and mopeds ranging from 50cc to 150cc. Crafted from high‑grade steel, the lever delivers robust resistance to wear and corrosion while maintaining a lightweight profile of just 1.06 ounces. Its dimensions—170mm overall length, 56mm pedal length, and a 13mm installation hole—ensure a precise fit for the original equipment part number 0450569. The lever’s ergonomic shape provides a comfortable grip, reducing rider fatigue during repeated starts. Detailed specifications include a compact package size of 1.97 x 1.97 x 0.39 inches, making storage and shipping efficient.
Usage
Designed for everyday riders, the KS121 lever excels in urban commuting, off‑road adventures, and utility work where reliable engine start is critical. Whether you are navigating city traffic on a 125cc scooter or tackling rugged trails on a 150cc quad, the lever’s sturdy construction handles frequent use and harsh conditions. Installation requires a standard 13mm drill hole; the lever slides into place and secures with the factory‑provided bolt, making it a DIY‑friendly upgrade for both seasoned mechanics and hobbyists. 
Why Choose Us
PowerMotor combines decades of experience in powersports components with rigorous quality control. Each KS121 lever undergoes heat treatment and surface coating to resist rust and fatigue, guaranteeing a service life that matches or exceeds OEM parts. Our parts are backed by a satisfaction guarantee and come with detailed installation instructions, reducing downtime for your vehicle. By choosing this lever, you benefit from a direct OEM fit, eliminating the need for adapters or modifications, and you receive a component that has been tested to meet automotive standards.
Key Features
- Sturdy metal construction for long‑lasting durability
- Exact OEM fit – replaces part number 0450569
- 13mm installation hole and 170mm total length for easy mounting
- Ergonomic pedal design reduces rider fatigue
- Lightweight at only 1.06 ounces, minimizing added mass
FAQ
Is the KS121 compatible with all 4‑stroke scooters?
The lever is compatible with 50cc, 70cc, 90cc, 100cc, 125cc and 150cc 4‑stroke engines that use the standard 13mm starter hole, covering most popular scooter and ATV models.
What tools are needed for installation?
Only a standard 13mm drill or pre‑drilled hole, a screwdriver or socket set for the mounting bolt, and a torque wrench to secure the fastener to the manufacturer’s specifications are required.
Can I install the lever myself?
Yes, the KS121 is designed for straightforward DIY installation. Follow the included guide, align the lever with the existing hole, and secure it with the provided bolt.
Does the lever come with a warranty?
PowerMotor offers a one‑year limited warranty covering manufacturing defects, ensuring you receive a reliable component.
Will the metal lever affect the vehicle’s weight balance?
At just over one ounce, the lever adds negligible weight and does not impact the vehicle’s handling or balance.







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