Will these cylinder heads fit my 150cc TaoTao scooter?

Yes, our cylinder heads are designed to fit 50cc-150cc GY6 4-stroke engines like those in TaoTao scooters. To be sure, check your engine’s bore size and model, then select the matching size from our collection for a direct, plug-and-play fit.

Can I replace my valve covers myself, or do I need a mechanic?

Most of our valve covers are straightforward to install and come as direct replacements. If you're comfortable with basic mechanical work like removing bolts and sealing parts, you can do it yourself. Otherwise, a mechanic can ensure a proper fit and seal for optimal performance.

Do your cylinder heads come with valves included?

Some of our full cylinder head assemblies, like the YX140 models, include valves, while others may require you to purchase valve kits separately. Check the product details on the listing to know if valves are included or if you need to add the intake/exhaust valve kits.

How will replacing my cylinder head help with engine overheating?

Replacing a worn or damaged cylinder head restores proper compression and heat dissipation. Our heads are made from durable aluminum, which helps manage engine heat better, reducing overheating issues and improving overall engine performance during rebuilds.

Are these valve kits compatible with Chinese pit bikes and quads?

Absolutely! Our valve kits, including springs, clips, and seals, are designed to fit popular Chinese pit bikes and quads with GY6 4-stroke engines from 50cc to 150cc. They make top-end repairs quick and affordable to get your vehicle running smoothly again.

Collection: Culasses et couvre-culasses

Culasses, ensembles et couvre-soupapes de remplacement abordables pour trottinettes, VTT, pit bikes, karts et quads de 50cc à 150cc – pour réparer la perte de compression, la surchauffe, les problèmes de soupapes ou les faibles performances lors des reconstructions. Comprend des culasses complètes (alésage de 39mm pour GY6 139QMA/139QMB de 49cc-50cc ; 52,4mm pour horizontal de 110cc-125cc ; 57,4mm pour GY6 152QMI/157QMJ de 150cc), un ensemble de culasse complet YX140 (pit bike/moto cross 1P56FMJ de 140cc-150cc), des ensembles de couvre-soupapes (70cc-150cc, simple/double), et des kits de soupapes d'admission/échappement (avec ressorts, clips, joints) – réparations durables en aluminium/composite à petit prix.

Convient le mieux à : GY6 4 temps 49cc-150cc (139QMB/50cc court, 110cc-125cc horizontal, 150cc 157QMJ ; trottinettes/VTT/karts TaoTao, SunL, Roketa, Baja, SSR, Coolster, Kazuma), moteurs horizontaux 70cc-125cc (pit bikes/quads/buggies chinois), YX140 motos tout-terrain 140cc-150cc. La plupart sont des remplacements directs plug-and-play (certains avec soupapes incluses) pour des réparations rapides du haut moteur ou la restauration de la compression !

Besoin du cylindre et du piston complets ? Consultez notre collection Kits de cylindres et kits gros alésage pour des améliorations complètes.