2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 168Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 168

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IpOWRIIfriJ: IPower unit Checking the oil pump
NOTE: Face the fine pitch side of the valve spring toward the spring seat
Installing the valves
1 Install the new valve stem seal CD to