Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 101Get this manual

Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 101

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Power Unit 35) Correction of Valve Seat
b Width before correction
Use 60 degree cutter to adjust contact position of valve seat lower end

b Width before correction