2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 164Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 164

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IpOWRIIfriJ: IPower unit
1 Reface the valve seat with the valve seat cutter
Do not over cut the valve seatMake sure to turn the cutter evenly downward at pressure of 40-50 (4-5 kgf, 8.8-11