Install Flywheel - Yanmar BY Series Service Manual

Flywheel and Flywheel Housing
12/05

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.
BY Service Manual
( 2 )
( 1 )
( 3 )
0006516
© 2009 Yanmar Marine International
Flywheel Bolt Torque
Item Initial Torque
Flywheel Bolt
(133 in.-lb)
5. Tighten flywheel bolts to final torque
specification.
6. Install drive coupling. See Remove and Install
Drive Coupling on page 5-38.
7. Install flywheel housing. See Remove and
Install Flywheel Housing on page 5-37.
ENGINE
Final Torque
15 N·m 120 N·m
(89 ft-lb)
5-41