Visually inspect the isc valve if necessary.

Throttle body inspection and cleaning
Throttle valve synchronizationOil pressure indicator inspection
Inspect the oil pressure indicator in the following
procedures:
Note
before inspecting the oil pressure switch, check if the engine oil level
is correct. Refer to “engine oil and filter replacement” in section 0b .
Remove the left side cowling. Refer to “exterior parts remov ...
Pair system hose routing diagram
Pair control solenoid valve
Pair reed valve
White marking (hidden side)
Yellow marking
Blue marking
Red marking
Face the
clamp end to the top.
Make sure
the clamp is not contacted to the frame or air cleaner box.
90°
45°
15°
...
Front brake master cylinder / brake lever disassembly and assembly
Refer to “front brake master cylinder assembly removal and installation” .
Disassembly
Remove the reservoir cap (1), plate (2), diaphragm
(3) and reservoir tank (4).
Remove the brake light switch (5) and brake lever
(6).
Remove the dust boot (7) and push rod (8).
  ...