Recommended service material

Special tool

SpecificationsOil pump inspection
Inspect the oil pump in the following procedures:
remove the oil pump. Refer to “oil pump removal and installation” .
Rotate the oil pump by hand and check that it moves
smoothly. If it does not move smoothly, replace the
oil pump assembly.
Caution
do not attempt t ...
Oil jet removal and installation
Piston cooling oil jet
Removal
Remove the engine assembly. Refer to “engine assembly removal” in
section 1d .
Remove the crankshaft assembly. Refer to “engine
bottom side disassembly” in section 1d (page 1d-
49).
Remove the piston cooling oil jets (1) from the upper
cra ...
Muffler / muffler chamber / exhaust pipe
removal and installation
Removal
Loosen the muffler connecting bolts (1).
Remove the mufflers (2) by removing the mounting
bolt and nut (3).
Note
support the muffler to prevent it from falling.
Remove the side cowlings. Refer to “exterior parts
removal and installation” in secti ...