LEIMO KPARTS 3-Bolt Electric Starter Motor for 50cc–125cc ATVs Dirt Bikes — 12-Tooth, Clockwise Rotation

LEIMO KPARTS 3-bolt electric starter motor is a universal replacement designed to start most Chinese 50cc–125cc ATVs, dirt bikes, pit bikes, and go-karts quickly and reliably.

When an original starter fails, replacing it with a compatible, high-quality unit gets your vehicle back on the trail without costly downtime. This 3-bolt starter motor fits a wide range of small-displacement engines (50cc–125cc) used by brands such as Tao Tao, SSR, Roketa, Coolster, Jonway, SunL and others. It’s built with upgraded internal components, tested for performance, and backed by a one-year warranty to give you confidence after installation.

How do I know this starter will fit my 70cc–125cc ATV or dirt bike?

Fit is determined by bolt spacing, rotation direction, and tooth count. This unit uses a three-bolt mounting pattern, clockwise rotation, and a 12-tooth pinion—common specifications for many Chinese-manufactured small engines.

• Bolt Hole A Spacing: 2.85" (72.4 mm)
• Bolt Hole B Spacing: 3.16" (80.3 mm)
• Pinion: 12 teeth, clockwise rotation
• Designed for 50cc, 70cc, 90cc, 100cc, 110cc, 125cc models

What performance and durability can I expect from this replacement starter?

This starter is assembled with quality armatures, brushes and rotors selected to deliver reliable cranking power close to or exceeding the original equipment. Each unit is bench-tested to confirm operation, and internal design choices emphasize longevity and consistent starts over repeated cycles.

• Constructed for more than 20,000 start cycles under normal conditions
• OE-comparable power output and component quality
• Factory-tested for reliability and smooth engagement
• Three-bolt mounting simplifies installation and alignment

How difficult is installation and what tools are needed?

Installation is straightforward for anyone comfortable removing an engine side cover and replacing a small electric motor. No fluids need draining and the job usually requires only basic hand tools and a few bolts to secure the starter to the engine casing.

• Remove side engine cover, disconnect wiring, unbolt old starter
• Fit new starter to 3-bolt pattern, reconnect wiring, reinstall cover
• Typical tools: socket set, screwdrivers, torque wrench optional
• Estimated time: 20–45 minutes depending on access and experience

What warranty and post-purchase support does LEIMO KPARTS provide?

The starter comes with a one-year warranty that covers manufacturing defects and early failures under normal use. If you experience an issue within the warranty period, customer support offers an easy replacement or refund process to minimize equipment downtime.

• 1-year limited warranty for defects and performance issues
• Customer support available for fitment and troubleshooting
• Replacement or refund options during warranty window

Who is this for: Riders, mechanics and DIY owners of small-displacement ATVs, pit bikes, dirt bikes and go-karts built on common Chinese engine platforms who need a reliable, affordable starter replacement. It’s ideal if your OEM starter has failed or shows intermittent cranking, and you want a tested aftermarket unit that fits the popular 3-bolt pattern with straightforward installation.