Yamaha F15A Service Manual page 268

POWR POWR
CRANKCASE AND CRANKSHAFT
Measuring steps:
cC
8Make sure that the "Y" mark a on the
connecting rod faces towards the fly-
wheel magneto.
8Align the marks b (machining face)
when assembling the connecting rod
halves.
8Do not assemble cylinder #1's connect-
ing rod with cylinder #2's cap, and vice
versa.
8 Clean the bearing portions of the
connecting rod.
8 Install the connecting rod onto the
crankshaft.
8 Put a piece of Plastigauge
crank pin.
8 Assemble the connecting rod halves
onto the crank pin.
NOTE:
Do not move the crankshaft until the
big-end oil clearance measurement has
been completed.
8 Tighten the bolts in the proper
sequence and in two stages.
Bolt:
1st: 10 Nm
(1.0 m•kg, 7.2ft•lb)
2nd: 22 Nm
(2.2 m•kg, 16 ft•lb)
8 Remove the connecting rod cap.
8 Measure the width of the com-
pressed Plastigauge
pin.
5-43
E E
® onto the
® on each crank