The intake valve-27mm and exhaust valve- 23mm, It is with 81.5mm tall.
GY6 150 Long Case Engine 842 Belt CVT Auto Clutch Electric Start 150cc Scooter
CLUTCH PAD ASSEMBLY FOR SCOOTER GY6 50CC TaoTao Kazuma Sunl Roketa Go Kart
GY6 50CC 139QMB 64MM INTAKE EXHAUST VALVES STEM SPRING RETAINER COTTER ASSEMBLY
Gy6 Scooter Moped 50cc 139QMB Valve Assembly Sets Intake Exhaust Valve 69mm
Clutch Assembly for Scooter GY6 50 50CC SUNL ROKETA
157QMJ ENGINE TIMING (CAM) CHAIN,TENSIONER,GUIDE SET HAMMERHEAD 150CC GO KARTS
