State-of-the-art in sport/competition engines, the O.S. Max 25FX GP is a limited edition, gold-plated cylinder head engine.
- Comes with remote needle-valve
- Longer crankshaft that provides a more secure attachment for spinner, prop and nut
- Dual ball bearing construction adding durability and longevity
- Semi-square head shape creates more fin area to increase cooling capacity
- Each engine comes with a high-performance carburettor and muffler with adjustable exhaust direction and built-in pressure tap
|Practical R.P.M.||2,000 ~ 18,000rpm