Starter Motor 12-Tooth for 50cc–125cc Horizontal Engines, Pit Bike, ATV, TaoTao

GOOFIT 12-Tooth High-Torque Starter – Horizontal "Under-Engine" Series

The reliable power source for your off-road adventures. The GOOFIT 12-Tooth Starter Motor is the industry-standard replacement for small-displacement 50cc, 70cc, 90cc, 110cc, and 125cc horizontal engines. Designed specifically for the "under-engine" mounting position, this motor provides the high-torque cranking power needed to fire up air-cooled 4-stroke engines instantly.

Built to withstand the rigors of the trail, this starter features a water and dust-resistant housing, ensuring stable operation even when riding through mud, sand, or heavy rain. It is the perfect balance of performance and economy, offering a high-quality alternative to expensive OEM parts.

Product Compatibility

• Engine Type: 4-Stroke Horizontal Engines (under-engine mount position).
• Displacement: 50cc, 70cc, 90cc, 110cc, and 125cc.
• Vehicle Types: Pit Bikes, Dirt Bikes, Kids' ATVs, Quads, and 4-Wheelers.
• Brand Fitment: Direct fit for TaoTao, Sunl, Roketa, Coolster, Kazuma, SSR, and other Chinese "Honda-clone" engines.
• Important Note: This motor is designed for horizontal engines only; it will NOT fit GY6 scooters or vertical engines.

Key Technical Specifications:

• Mounting Pitch-Row: 24.98mm (0.98").
• Drive Gear: 12-Tooth Spline.
• Mounting Position: Bottom/Under Engine.
• Environmental Protection: Sealed against water and dust intrusion.

Why Choose the GOOFIT Horizontal Starter?

• Rugged Off-Road Design: Constructed from high-strength alloys, this motor is specifically engineered for harsh environments. The sealed design prevents trail debris from entering the armature, significantly reducing the risk of failure.
• Economic Performance: We provide professional-grade starting reliability at an affordable price, making it easy to maintain a fleet of youth ATVs without breaking the bank.
• Consistent Torque Delivery: The internal windings are optimized for high-amperage draw, ensuring a strong, consistent crank even on cold mornings or after a long day of riding.
• Precision Fitment: With a standardized 24.98mm mounting pitch and a precision-cut 12-tooth gear, this motor offers a "plug-and-play" installation that matches factory specs perfectly.

Technical Note: Before ordering, please verify that your starter mounts underneath the engine. Some 125cc engines use a top-mount starter, which is not compatible with this model. Ensure your mounting bolt spacing is approximately 25mm to guarantee a perfect fit.