Automotive rebuild kit designed to deliver a complete GY6 engine overhaul and 150cc big bore upgrade. The TRKIMAL GY6 Cylinder Head Rebuild Kit supplies a full set of parts so owners can tackle maintenance with fewer trips to suppliers. Is a single all-in-one kit the right choice for your scooter?
⚡ At a Glance
- • Rebuild Coverage: Full cylinder head and wear-item set including piston, rings, gaskets, camshaft and oil pump
- • Best for: Garage mechanics and owners of Chinese GY6 125cc and 150cc scooters, ATVs and go karts
- • Not ideal for: Engines other than GY6 4-stroke 125cc/150cc or buyers who need only a single spare part
Includes a 57.4mm non-EGR cylinder body and matching 57.4mm piston assembly for a 150cc big bore upgrade. Also includes ignition components, belt, cam chain and multiple wear parts for a near-complete rebuild.
Complete rebuild readiness - with a full cylinder head, piston and gasket set
Pack contains cylinder head comp, 57.4mm bore cylinder block, piston assembly, piston, rings, wrist pin and a full engine gasket set as listed. These components replace worn sealing and combustion parts to restore compression and basic engine operation.
Shops and competent home mechanics can perform a thorough top-end overhaul without sourcing many separate parts, reducing downtime and assembly hassle.
150cc big bore improvement - thanks to the 57.4mm cylinder and matched piston
57.4mm bore components are specified as a 150cc big bore upgrade compatible with GY6 4-stroke engines. Matched piston and rings are supplied to fit the larger cylinder bore.
Owners seeking stronger low-end response for scooters or small ATVs get an increase in displacement and improved rideability under load.
Electrical and wear items included - with CDI, coil, regulator and drive components
Kit lists a 6pin CDI, ignition coil, DC regulator, relay, A7TC spark plug, starter clutch, camshaft, camshaft chain 90 and belt 835*18*30 among items. Oil pump assembly, chain adjuster, oil screen and seals are also included for wear replacement.
Including both electrical and drive wear items reduces the need for additional purchases during a rebuild and helps ensure reliable starting and timing after assembly.
✨ The 4 Key Reasons for TRKIMAL GY6 Cylinder Head Rebuild Kit
- Extensive Parts List - Cuts parts-sourcing time by combining most rebuild items
- Ignition and Electrical Pack - Ensures fresh CDI, coil and regulator for reliable starts
- Belt and Chain Included - Avoids separate purchases for cam and drive components
- Complete Gasket Set - Helps achieve leak-free assembly with matched seals throughout
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Product: TRKIMAL GY6 Cylinder Head Rebuild Kit
- Brand: TRKIMAL
- Cylinder Bore: 57.4mm
- Displacement: 150cc (big bore upgrade)
❓ Frequently Asked Questions
Q: Is this kit compatible with my GY6 engine?
A: Compatibility is stated for GY6 4-stroke 125cc and 150cc engines used in many Chinese scooters, ATVs and go karts.
Q: What parts are included in the kit?
A: The kit lists a cylinder head comp, 57.4mm cylinder block, piston assembly, rings, wrist pin, full gasket set, 6pin CDI, ignition coil, DC regulator, relay, A7TC spark plug, belt 835*18*30, camshaft chain 90, starter clutch and various wear items among others.
Q: Is the kit intended for professional workshops or personal use?
A: Suitability is stated for motorcycle maintenance shops, motorcycle parts supermarkets and personal use, indicating availability for both professional and private rebuilds.
🏆 Our Verdict
The kit suits owners and workshops working on GY6 125cc and 150cc scooters who want a comprehensive top-end rebuild or a big bore upgrade. The selling point is the all-in-one nature, with a 57.4mm cylinder, matched piston assembly and a wide range of electrical and wear components included. The broad parts coverage should deliver good long-term value by reducing additional parts sourcing and repeat visits.
