O.S. Engine 25LA Silver (Codec:12352)   [OSMG0026]

More cooling fin area extends the life span of motor, and practically removes engine seizures in the air

Added "webbing" regarding crankcase strengthens high-stress areas to help ensure that they resist the rigors of learning how to travel

Overall tighter needle valve fit utilizes an "O" ring to aid keep the performance amounts you will need

a gas inlet that tips up permits easier gas line access for fueling and defueling

REQUIREMENTS

• Stock Numbers: OSMG0026
• Displacement: 0.2485 cu in (4.0 cc)
• Bore: 0.7087 in (18 mm)
• Stroke: 0.63 in (16 mm)
• Practical rpm: 2,500-16,000
• Production: 0.6 hp @ 15,000 rpm
• Weight: 6.9 oz (197 g)
• Recommended Props: 9x5, 9x6, 10x5