This POWER VALVE SYSTEM 2-stroke engine top end regulates the exhaust opening time for excellent performance at low revs and optimised performance higher in the rev range.
- ATHENA Power Valve System: "guillotine valve" installed with a pneumatic system
- Operates using exhaust gas pressure
- Optimises performance and retains maximum reliability
- Supplied with 244018DA piston and 604006 gaskets
