ENGINE
5-72
6LPA Service Manual
Timing Belt
© 2007 Yanmar Marine International
• If the belt teeth are cracked or damaged, check
for a locked camshaft (Figure 5-167).
Figure 5-167
Figure 5-167
• If the belt face is cracked or worn, check the idler
pulley for damage and sharp edges
(Figure 5-168).
Figure 5-168
Figure 5-168
• If only one side of the belt is worn or damaged,
check each timing pulley for wear or damage
radially and axially (Figure 5-169).
Figure 5-169
Figure 5-169
• If the belt teeth are worn, check the timing belt
cover for damage and that the gasket is installed
correctly. Also, check the pulley teeth for
contamination with dust or debris (Figure 5-170).
Figure 5-170
Figure 5-170
Idler Pulley
1. Visually check the seal of the idler pulley. If oil
leakage is present replace the idler pulley
(Figure 5-171).
Figure 5-171
Figure 5-171
2. Inspect the idler pulley for smooth rotation.
Replace the idler pulley as necessary
(Figure 5-172).
Figure 5-172
Figure 5-172
0005165
0005166
0005167
000516
8
0005169
0005170