2009 Yamaha F40 Outboard Service Manual, Page 214Get this manual
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Camshaft and valve
18 20 23 22
Remarks M8 22 mm
13.5 Nm (1.35 kgfm, 9.96 ftlb)
No18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Part name Washer