OS Max 25FX
The state-of-the-art in sport/competition engines!
- All FX engines come with remote needle valve - the feature most asked for!
- A longer crankshaft provides more secure attachment for spinner, prop and nut
- Dual ball bearing construction adds durability and longevity
- Semi-square head shape creates more fin area to increase cooling capacity
- Each engine comes with a high-performance carburetor and muffler with adjustable exhaust direction and built-in pressure tap
Stock Number: OSMG0525
Displacement: 0.2485 cu in (4.07 cc)
Bore: 0.708 in (18.0 mm)
Stroke: 0.630 in (16.0 mm)
Practical rpm range: 2,500-19,000
Output: 0.84 hp @ 18,900 rpm
Weight w/muffler: 10.8 oz (306 g)
Includes: expansion style muffler