Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Rear brake components”
Special tool
...
Exterior parts removal and installation
Side frame cover
Removal
Note
the left and right side frame covers are
installed symmetrically and therefore the
removal/installation procedure for one side is
the same as that for the other side.
Remove the bolt (1).
Remove the side frame cover (2).
...
Oil jet inspection
Refer to “oil jet removal and installation” .
Oil jet
Make sure that the oil jets are not clogged. If they are
clogged, clean their oil passage using a wire of the
proper size and compressed air.
Piston cooling jet
Oil jet (for transmission)
Oil jet (for cam chain te ...