O.S. ENGINE MAX R21 1B900 1/8 ratamoottori

The perfect power plant for rookies and club racers.

The R21 is based on the Championship heritage of the R2102 engine and delivers an unbeatable blend of power and value for 1/8 on-road racing. Its crankshaft and piston/liner are designed with premium performance and easy maintenance in mind, which makes it an ideal choice for beginners. This engine is upgradeable with high-performance O.S. Speed parts, letting you realize your full winning potential. High performance. Low price. That's what you can expect from the R21, only from O.S.Specs:Weight: 340gDisplacement: 3.49ccBore: 16.08mmStroke: 17.20mmPower Output: 2.71 hp @ 32,000 RPMPractical RPM Range: 4000~44000Includes: RP7 Turbo glow plug, exhaust seal ring, 8.5 mm carb reducer, dust cap set