This new Nova .21R racing engine offers butter smooth power and good drivability, thanks to its 14mm crankshaft and long stroke construction. 3-port, true ABC construction piston sleeve New cylinder heatsink head with "R" graphic 14mm steel SG style crankshaft Composite slide carburettor Rear exhaust Standard type glow plug Latest 2009 specification Displacement - 3.49cc (.21ci) Max power - 2.0HP RPM/Max power - 28,000 RPM Practical range - 6,000 - 32,800 RPM Bore x Stroke - 16.26mm x 16.80mm Number of ports - 3 Start type - Starterbox Recommended plug - C6S Fuel type - 25% nitro
