62Y3A11 1-1212345678ICarburetor operation1. Idle and low-speed operationSince the vacuum at the venturi is low when the throttle valve is opened slightly, the main nozzledoes not supply any air-fuel mixture to the engine.When the engine is operating at idle, the fuel that passes through the pilot jet and the air that passesthrough the pilot air jet mix, enabling the air-fuel mixture that has been regulated by the pilot screwto be fed through the pilot outlet.Because the throttle valve opens slightly when the engine is operating at low speeds, air-fuel mix-ture also starts to be fed from the bypass holes.1 Pilot screw2 Pilot outlet3 Bypass holes4 Venturi5 Main nozzle6 Pilot jet7 Main jet8 Pilot air jet9 Main air jet0 Throttle valveÈ AirÉ Air-fuel mixtureÊ Fuel322109876543:::S62Y1260322109876543:::S62Y1260Technical tips
