Restore proper valve timing and performance with this Camshaft Assembly for QMB139 50cc GY6 4-Stroke Engines. Designed as a direct OEM replacement, this camshaft ensures smooth valve operation, improved throttle response, and reliable combustion in your 49cc/50cc scooter. Perfect for top-end rebuilds, engine maintenance, or replacing a worn camshaft, this part is compatible with most Chinese-made scooters using the 139QMB engine platform.
- Replacement camshaft for QMB139 49cc / 50cc 4-stroke engines OEM-style design ensures smooth operation and easy installation Precision-machined lobes for accurate valve timing Durable steel construction for long-lasting performance Ideal for top-end engine rebuilds or repairs Engine Type: QMB139 (GY6 50cc 4-stroke) Application: Overhead camshaft (OHC) design Condition: Brand New Material: Hardened steel
