2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 17Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 17

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Technical tips 3 High-speed operation When the throttle valve approaches its fully open position, the fuel that has been regulated by the main jet and the air that has been regulated by the main air j