Yamaha F100B F100C Outboards Factory Service Manual, Page 127Get this manual
Cylinder head Installing the cylinder head
1Tighten the cylinder head bolts to the specified torques, in the specified stages, and in the sequence detailed in the specification box2Install the camshaft (intake) and camshaft (exhaust) with the new oil seals 3
S60C5710
S60C5700
CAUTION:
Do not reuse the cylinder head gasket, always replace it with new oneNOTE: Apply engine oil to the cylinder head bolts before installation Use T-type TORX socket (T55) to install the cylinder head bolts (M10)