Naraku HD 16-tooth Crankshaft (GY6 50cc)

The Naraku HD 16-tooth crankshaft for GY6 50cc engines is designed to replace the original crankshaft while offering superior strength for stock and high-performance setups. Thanks to its Heavy Duty (HD) design and precision balancing, it ensures smoother operation, improved reliability, and excellent longevity.

Equipped with a 16-tooth sprocket, this crankshaft is ideal for GY6 50cc engines (139QMB / 139QMA) requiring this configuration.

Benefits and Advantages:

• Heavy Duty (HD) design for increased strength
• Precision balancing reducing vibrations
• Excellent reliability at high RPMs
• Supports stock and tuned engines
• High-strength heat-treated steel
• Long lifespan
• Direct replacement for the original crankshaft
• Recognized Naraku quality