GY6 49cc-100cc (QMB139) - Cylinder Head - Valves, Camshaft-Covers-Parts
Cylinder heads, valves, camshafts, and related covers for GY6 49cc–100cc (QMB139) engines are essential for maintaining proper airflow, compression, and smooth engine timing on most Chinese 49–80cc scooters. These components help restore power, improve starting, and correct issues like noisy valvetrain operation or loss of performance. Whether you’re replacing a worn head, updating valve components, or refreshing camshaft parts on scooters such as TaoTao, Jonway, or Peace Sports, these parts support reliable combustion and long-term engine health.
