ENGINE
Flywheel and Flywheel Housing
12/05
BY Service Manual
5-41
© 2009 Yanmar Marine International
Install Flywheel
1. If removed, install the guide bushing
(Figure 5-71, (3)) in the crankshaft.
Figure 5-71
Figure 5-71
2. Install torque plate (Figure 5-71, (2)).
3. Install the flywheel on the crankshaft.
Note: Flywheel bolts are T-60 Torx head.
4. Apply medium strength thread lock and sealer
to the threads of the flywheel bolts
(Figure 5-71, (1)). Install bolts and tighten to
initial torque specification. NOTICE: NEVER
reuse flywheel bolts. ALWAYS install new
flywheel bolts.
Flywheel Bolt Torque
5. Tighten flywheel bolts to final torque
specification.
6. Install drive coupling. See Remove and Install
7. Install flywheel housing. See Remove and
Install Flywheel Housing on page 5-37.
0006516
(2)
(
3
)
(1)
Item
Initial Torque
Final Torque
Flywheel Bolt
15 N·m
(133 in.-lb)
120 N·m
(89 ft-lb)