Engine cooling symptom diagnosis

Schematic and routing diagramPiston ring removal and installation
Removal
Remove the piston. Refer to “engine bottom side disassembly” .
Carefully spread the ring opening with your thumbs
and then push up the opposite side of the 1st ring to
remove it.
Note
do not expand the piston ring excessively
since it is apt to be broken down. ...
Precautions
Precautions for wheel and tire
Proper tire pressure and proper tire loading are important
factors. Over loading tire can lead to tire
failure and loss of motorcycle control.
Under-inflated tires make smooth cornering difficult, and
can result in rapid tire wear.
...
Fuel pump inspection
Turn the ignition switch on and check that the fuel pump
operates for a few seconds.
If the fuel pump motor does not make operating sound, inspect the fuel pump
circuit connections or inspect the fuel pump relay and to sensor. Refer to “fuel
pump relay inspection” and “dtc “c23” (p1651 ...