Refer to “oil pan / oil pressure regulator / oil strainer removal and installation” .
Oil pressure regulator
Inspect the operation of the oil pressure regulator by pushing the piston with a proper bar.
If the piston does not operate smoothly, replace the oil pressure regulator with a new one.

Oil strainer
Clean the oil strainer if necessary.
Inspect the oil strainer body for damage. If necessary, replace it with a new one.

Oil pan / oil pressure regulator / oil strainer
removal and installation
Oil cooler / oil cooler hose inspection and
cleaningBalancer shaft disassembly and assembly
Refer to “engine bottom side disassembly” (page 1d-
49).
Refer to “engine bottom side assembly” .
Disassembly
Remove the balancer shaft. Refer to “engine bottom side disassembly” .
Remove the washers, balancer gear and dampers
from the shaft.
Assembly
Assembly is in the re ...
Precautions
Precautions for engine cooling system
You can be injured by boiling fluid or steam if you open the
radiator cap when the engine is hot.
After the engine cools, wrap a thick cloth around cap and carefully
remove the cap by turning it a
quarter turn to allow pr ...
Conrod and crankshaft inspection
Refer to “engine bottom side disassembly” (page 1d-
49).
Refer to “engine bottom side assembly” .
Conrod small end I.D.
Measure the conrod small end inside diameter using the
small bore gauge.
If the conrod small end inside diameter exceeds the
service limit, replace the conrod.
Special ...