... ,boosting intercooling, air combustion ratio control, plug ignition, electric control, external mixture before gas compressionCylinder ... coupler power set, 4-stroke, water cooling, boosting intercooling, air combustion ratio control, plug ignition, electric ... filterIncludedGas discharge temperature≤700°C(before turbo)Ignition control systemDigital ignitionCooling modeCompulsory water coolingNoise<123dB ...