2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 134Get this manual

2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 134

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Power unit

b Previous contact width Specified contact width

CAUTION:
Do not over cut the valve seatBe sure to turn the cutter evenly downward at pressure of 4050 (45 kg