LEIMO KPARTS Starter Motor for 50–125cc ATVs & Pit Bikes — 3‑Bolt Direct‑Fit, 12‑Tooth Clockwise

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

If your machine won’t turn over and you want a straightforward, affordable replacement, this starter motor provides a compact, tested option built to OEM-equivalent specs. It’s intended for common single-cylinder small-displacement engines used on pit bikes, quads, sandrails and popular Chinese brands including Tao Tao, SSR, Roketa, Coolster, Jonway and similar models.

Will this starter motor fit my 50cc–125cc bike or ATV?

Compatibility centers on three mounting bolts and the drive teeth count. This unit is made to fit many Chinese-manufactured 50cc through 125cc machines that use a 3-bolt starter pattern and a 12-tooth pinion turning clockwise.

• Bolt hole A spacing: 2.85 inches.
• Bolt hole B spacing: 3.16 inches.
• Pinion: 12 teeth, clockwise rotation.
• Common fits: Tao Tao, SSR, Roketa, Coolster, Jonway, SunL and many quad/buggy models.

How difficult is it to install this replacement starter?

Installation is straightforward for anyone comfortable removing the engine side cover and working with basic hand tools. The starter mounts with three bolts and connects to existing wiring—no fluids to drain and no complex adjustments required.

• Tools: socket set or wrenches and basic electrical connectors.
• Procedure: remove side cover, unbolt old starter, swap wiring, secure new starter.
• Average time: typically under an hour for most small bikes and ATVs.
• No special calibration or extra parts required in most installs.

What are the performance and durability features?

This starter is built to match or exceed the output of many OEM units with components designed for long service life. It undergoes bench testing to verify reliable engagement and motor spin before shipping.

• Construction: heavy-duty armature and brushes for consistent startup torque.
• Designed life: engineered for thousands of start cycles for extended use.
• Tested: 100% quality checks for reliability and fitment.
• Direction: clockwise rotation to match common OEM starters on these engines.

What warranty and support come with the purchase?

LEIMO KPARTS offers a one-year limited warranty to protect against manufacturing defects. If anything fails during the warranty period, customer service can guide you through a replacement or refund process.

• Warranty length: 1 year from purchase.
• Support: replacement or refund for covered failures.
• Return process: contact seller with order details and issue description.
• Note: warranty covers manufacturing defects, not installation damage.

Who this is for: Riders, hobbyists and small-vehicle mechanics who need a dependable, budget-friendly electric starter replacement for Chinese-made pit bikes, quads, dune buggies and go-karts. It’s suited to owners who want a direct-replacement part with clear mounting dimensions (2.85" and 3.16" bolt spacings), a 12-tooth clockwise pinion, and a one-year warranty for peace of mind. If you’re restoring or maintaining a Tao Tao, SSR, Roketa, Coolster, Jonway, SunL or similarly built machine and require an easy swap, this starter is engineered to simplify the job and restore push-button starts quickly.