2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 15Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 15

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Technical tips Carburetor operation 1 Idle and low-speed operation Since the vacuum at the venturi is low when the throttle valve is opened slightly, the main nozzle does not supply any air-fuel mixtu

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