he Nova .21B buggy pullstart engine is a smart long stroke racing engine supplied with a built in pullstart. 3-port, true ABC construction piston sleeve 14mm steel SG style crankshaft Composite slide carburettor Rear exhaust Pullstart equiped Standard type glow plug Latest 2008/09 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 - Pullstart Recommended plug - C5S Fuel type - 25% nitro