Yanmar BY Series Service Manual page 83

Cylinder Head
12/05
20. NOTICE: NEVER remove bolts retaining loop
casting (Figure 5-15). Remove timing case
cover bolts (Figure 5-16, (1)).
Figure 5-15
Figure 5-15
Figure 5-16
Figure 5-16
BY Service Manual
21. 4BY2 Engines: Remove cylinder head bolts in
reverse sequence, beginning with number 10
(Figure 5-17).
Figure 5-17
22. 6BY2 Engines: Remove cylinder head bolts in
reverse sequence, beginning with number 14
(Figure 5-18).
Figure 5-18
23. Remove cylinder head.
24. Remove the cylinder head gasket.
© 2009 Yanmar Marine International
ENGINE
Figure 5-17
Figure 5-18
5-21