1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 136Get this manual
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EXPLODED DIAGRAMS Power head
:Yamaha Bond No.4
100 Nm (10 m'kg, 71 ft'lb)
1st80 Nm (0.8 m'kg, 5.8 ft'lb) 2nd: 17 Nm (1.7 m'kg, 12 ft'lb)