ENGINE
Inspecting the Cylinder Block and Components
5-26 6LY3 Service Manual
© 2007 Yanmar Marine International
Cylinder Head Components and Functions
The head contains six cylinder bores and is installed with 26 head bolts. The valve seats are treated with a
special satellite alloy for superior resistance to heat and wear. The areas between the intake / exhaust valves
are cooled with internal circulating water.
Figure 5-14
Figure 5-14
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