Naraku Cylinder Head - 125cc - NK600.77

Unlock the full potential of your Yamaha 125cc engine with the Naraku Racing 4-Valve Cylinder Head. This high-performance cylinder head is designed to deliver increased power and improved airflow for maximum performance. If you're looking to take your big bore kit to the next level, this is the upgrade you need.

Description

The Naraku 66mm Cylinder Head is engineered for enthusiasts seeking a significant boost in engine performance. Featuring a 66mm combustion chamber, increased intake capacity, reinforced valve springs, and larger valves (25mm inlet, 23mm outlet), this cylinder head optimizes airflow and combustion efficiency. It's specifically designed for Yamaha X-MAX, WR, YZF-R 125, and other 125cc mopeds utilizing the YI-3 engine. To ensure optimal performance, it's essential to adjust the fuel jets or injection system, such as with a Malossi Force Master. This cylinder head is ideally suited for use with the Naraku big bore cylinder NK600.76, creating a potent combination for maximum power output.

Features & highlights

• Maximize engine performance with a 4-valve design.
• Increased intake capacity for improved airflow and combustion.
• Reinforced valve springs ensure reliable operation at high RPMs.
• Oversized 25mm inlet and 23mm outlet valves enhance cylinder filling.
• 66mm combustion chamber optimized for big bore applications.
• Direct fit for Yamaha X-MAX, WR, YZF-R 125 (YI-3 engine).
• Designed for use with Naraku NK600.76 big bore cylinder.

Technical specifications

• Brand: Naraku
• Combustion chamber: 66mm
• Inlet valve size: 25mm
• Outlet valve size: 23mm

Important to know

This cylinder head requires adjustments to the fuel jets or injection system (e.g., Malossi Force Master) to ensure proper air/fuel mixture. It is designed to work optimally with a 66mm big bore cylinder, such as the Naraku NK600.76.