2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 116Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 116

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Carburetor 4 Push the throttle control lever fully open position as shown
While pushing the carburetor throttle lever against the carburetor stopperloosen, and then tighten the adjusting screw