Features: Naraku Racing 4-valve cylinder head with 62mm combustion chamber to satiate your appetite for power. Increased flow, reinforced valve springs and larger valves (21 / 23mm). Suitable for Yamaha X-Max, WR, YZF-R 125 and other 125 mopeds with YI-3 engine. The carburetor or fuel injection system must be re-tuned (z. B. with Malossi Force Master). The cylinder head is suitable for following big bore cylinders: Naraku NK600.74, Polini 166.0101, Malossi M.3114852 and other cylinders with 62-64mm bore. Combustion chamber: 62mm. Intake valves: 23mm exhaust valves: 21mm. New models have the lambda sensor connection directly on the outlet (this must be closed on older models). Scope of delivery without shafts for roller cam followers.
Price: £451.10 from GhostBikes.com
| Stockist | Price* | Mainland UK Delivery | |
|---|---|---|---|
| £451.10 | Check Website | Visit Store |
