Yanmar BY Series Service Manual page 148

FUEL SYSTEM
9. Remove plug (Figure 6-23, (1)).
Figure 6-23
Figure 6-23
10. Hold crankshaft to prevent turning and remove
nut (Figure 6-24, (1)).
Figure 6-24
Figure 6-24
11. Thread special tool OEM No. 13 5 192 into
timing case cover (Figure 6-25).
Figure 6-25
Figure 6-25
6-16
12. Thread special tool OEM No. 13 5 191 without
jack screw (Figure 6-26, (1)) into sprocket by
hand until firmly seated.
Figure 6-26
13. Thread jack screw (Figure 6-26, (1)) into
special tool until firmly in contact with end of
pump shaft.
14. Remove three nuts (Figure 6-27, (1)).
Figure 6-27
© 2009 Yanmar Marine International
Figure 6-26
Figure 6-27
BY Service Manual
Repair