Inspect the crankcase breather (pcv) hose in the following procedures:
Refer to “fuel tank removal and installation” in section 1g .
If it is worn or damaged, replace the crankcase breather (pcv) hose with a new one.

Pair system inspection
Crankcase breather (pcv) hose / reed
valve / cover removal and installationValve seat repair
The valve seats (1) for both the intake and exhaust
valves are machined to three different angles. The seat
contact surface is cut at 45°.
Intake valve
Exhaust valve
Caution
the valve seat contact area must be
inspected after e ...
Oil cooler / oil cooler hose removal and
installation
Refer to “electrical components location” in section 0a .
Removal
Turn the ignition switch off.
Remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Drain engine oil. Refer to “engine oil and filter replacement” in
section 0b .
...
Radiator inspection and cleaning
Radiator hose inspection
Refer to “cooling system inspection” in section 0b .
Radiator inspection
Inspect the radiator for water leaks. If any defects are
found, replace the radiator with a new one.
If the fins are bent or dented, repair them by carefully
straightening them with the blade of ...