Description 29CC engine(29CC) Engine displacement Rovan 29cc: Bore diameter * stroke 36x28/mm engine capacity 28.5/cm³ Carburetor Walbro 668 Spark plug NGK CMR7H Startup mode Hand pullback Intake mode Scavenging Cooling method Forced air cooling Lubrication method mixing Idle speed 4500±200/rpm No load maximum speed 19500/rpm Maximum power 2.0/13000 kW/rpm Maximum torque 1.69/9000 N·m/rpm Clutch contact point speed 8000/rpm DDM Chung Yang: Chung Yang CY29RC engine (35mm bore, 30mm stroke - 28.9cc) with Walbro WT-668 carb. Includes 54mm inner clutch assembly pre-installed. Ready to bolt-on. 3.5 horsepower. Similar design to the Zenoah G230RC/G260RC - 4 transfer port hp cylinder, single ring piston, double sided finned flywheel, and hp exhaust canister. For R/C: Fits a wide variety of 1:5 and 1:6 R/C cars, planes, boats, and helicopters. Same mounting dimensions as Zenoah G230RC / G260RC. For cars - fits FG: Marder, Leopard, Monster Beetle, Monster Truck, Stadium Truck, Pajero, Sportslin