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Yanmar 4JH4E - Cylinder Head

Yanmar 4JH4E
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5. Inspection and servicing of basic engine parts
179
5.2 Cylinder head
The cylinder head is of 3-cylinder or 4-cylinder integral construction. Special alloy stellite with superior
resistance to heat and wear is fitted on the valve seats, and the area between the intake/ exhaust valves
is cooled by the water jet.
Rocker arm support
Rocker arm
Rocker arm shaft
Valve cap
Cotter
Spring retainer
Valve spring
Stem seal
Valve guide
Cylinder head
Exhaust valve Intake valve
Rocker arm
cover
Rocker arm spring
010360-00E
2-valve cylinder head

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