2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 117Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 117

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I I.i) I FUEL
For best results, use vacuum gauge (commercially obtainable) with four adapters like the one shown in the illustration4 Adjust the idle speed to 1,000 rmin by turning the throttle