Apply soap and water solution to the oil level inspection window before installation.
Torque - Oil Passage Plug (Taper): 20 N·m (2.0 kgf·m, 15 ft·lb) Oil Jet Nozzle (M10) [E]: 15 N·m (1.5 kgf·m, 11 ft·lb)

View from Right Side [F]
View from Left Side [F]


Upper Crankcase Assembly
Crankcase Halves AssemblyOil Pump Drive Gear Installation
Install is the reverse of removal. Note the following.
First, engage the oil pump chain [A] to the gears, and then
install the oil pump drive gear [B].
Turn the “OUT� mark [C] to outside.
Apply a non-permanent locking agent to the oil pump drive
chain guide bolt and the oil pump drive ...
Air Switching Valve
Air Switching Valve Operation Test
Refer to the Air Suction System Damage Inspection in the
Periodic Maintenance chapter.
Air Switching Valve Unit Test
Remove the air switching valve (see Air Switching Valve
Removal in the Engine Top End chapter).
Set the hand tester [A] to the × 1 ...
Crankshaft Removal
Split the crankcase (see Crankcase Splitting).
Remove:
Connecting Rod Big End Nuts [A]
Connecting Rod Big End Caps [B]
NOTE
Mark and record the locations of the connecting rods
and their big end caps so that they can be reassembled
in their original positions.
Remove the crank ...