Yanmar 4JH4E - Page 219

5. Inspection and servicing of basic engine parts
199
5) The oil ring is provided with a coil expander.
The coil expander joint should be opposite
(staggered 180°) the oil ring gap.
2st piston
ring gap
Oil ring gap
1st piston ring gap
1st piston ring
2st piston ring
Oil ring
Expander joint
010550-00E
Gap
Joint of coil
expander
001528-01E