2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 91Get this manual
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CHK ADJ (for air leakage)Periodic checks and adjustments
[6] For USA and Canada [ill For worldwide
Pressurevacuum tester: Y8-35956-A Leakage tester: 90890-06762 2 Apply the specifie