GREHUA 3-Bolt Starter Motor with Solenoid Relay for 50–125cc ATVs Go-Karts — Direct-Fit Replacement, Prewired Kit

If your ATV or go-kart won’t crank because the starter motor or solenoid has failed, this GREHUA assembly offers a ready-made replacement kit. It includes the starter motor with wiring, a matched solenoid relay and a mounting A7TC fastener so you get everything needed for a straightforward swap. The unit is engineered for common Chinese models from TaoTao, Coolster, Baja, Lifan, SSR and others that use the three-bolt mounting pattern.

Which bikes and ATVs will this starter fit?

This starter is built specifically for vehicles that use a 3-bolt starter mounting pattern and 50–125cc Chinese engines. It is compatible with many popular models and variants across brands such as Taotao, Coolster, Baja, Kazuma, Lifan and more. Confirm the original starter has three mounting bolts before ordering to ensure a correct match.

• Fits 50cc–125cc Chinese ATVs, quads, go-karts and pit bikes
• Compatible with specific Taotao, Coolster, Baja, Kazuma, Lifan, SSR, Roketa models
• Only compatible when original starter uses a 3-bolt mounting pattern
• Works on many TaoTao GK110 and similar model variants

How durable and reliable is the GREHUA starter assembly?

The starter motor and solenoid use a blend of metal components and reinforced plastic to resist heat and wear during regular use. GREHUA designed the unit to deliver strong cranking torque and consistent engagement, giving dependable starts across typical off-road conditions. Regular maintenance and correct installation will maximize service life.

• Metal gears and terminals for strength and conductivity
• Heat- and wear-resistant plastic housing to protect internals
• Pre-wired starter lead and matched solenoid for reliable engagement
• Manufactured to withstand repeated starting cycles common to ATVs

Is installation difficult and what’s included in the kit?

Installation is designed to be quick and uncomplicated for users with basic tools and mechanical familiarity. The starter mounts into the original three-bolt pattern without drilling; simply remove the old unit, transfer any necessary brackets, attach the wiring and secure the new starter. The kit includes the main components you’ll need to complete the swap.

• Included: 1 starter motor with wiring, 1 starter solenoid relay, 1 A7TC mounting fastener
• No hole modification required for standard 3-bolt setups
• Typical install time: a few minutes to an hour depending on access
• Basic hand tools (wrenches, sockets) are usually sufficient

Who is this for? This GREHUA 3-bolt starter motor and solenoid relay is ideal for owners and mechanics of small-displacement Chinese ATVs, quads, go-karts and pit bikes who need a cost-effective, OEM-style electric starter replacement. Choose this kit if your vehicle uses a 3-bolt starter mount and you want a durable, pre-matched starter and solenoid bundle that reduces troubleshooting and fitment guesswork.