Yamaha F100C Service Manual page 139

3. Install half of the bearings (grooved bear-
ings) 1 and the crankshaft into the cylin-
der body 2.
CAUTION:
Install the bearings in their original posi-
tions.
NOTE:
Install the unified thrust bearing at the posi-
tion a shown.
4. Put a piece of Plastigauge (PG-1) on
each main journal parallel to the crank-
shaft.
NOTE:
Do not put the Plastigauge (PG-1) over the
oil hole in the main journals of the crankshaft.
60C5D11
5. Install the remaining half of the bearings
(plain bearings) 3 into the crankcase.
6. Install the crankcase onto the cylinder
body and apply engine oil onto the
threads of the crankcase bolts.
S60C5910
7. Tighten the crankcase bolts to the speci-
fied torques in two stages and in the
sequence shown.
60°
NOTE:
• Do not move the crankshaft until the main
journal oil clearance measurement has
been completed.
• Make a mark on the crankcase and crank-
case bolts, and then tighten the M10 bolts
60° from the mark.
Cylinder body
S60C5925
S60C5930
5-46
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