Check the engine oil level as follows:

The engine oil level should be between "L" (Low) and "f" (full) lines.
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Caution The engine oil level must be between the " l'' (low) line and "f" (full) ~i ne, or engine damage may occur. Check the oil level, through the inspection window, with the motorcycle held vertically on level ground before each use of the motorcycle. |
Engine oil
Engine oil and filter changeDTC “c23” (p1651-h/l): to sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C23
The sensor voltage should be the
following for 2 sec. And more, after ignition
switch is turned on.
0.2 V ≤ Sensor voltage < 4.8 V
To sensor circuit open or shor ...
Special tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Handlebar components” “steering components” “steering
damper construction”
Special tool
...
Evaporative emission control system
diagram (only for e-33)
Fuel tank
Fuel-vapor separator
Fuel pump
Fuel feed hose
Fuel shut-off valve
Iap sensor
Surge hose
Evap canister
Purge hose
Evap system purge control solenoid valve
Fue
Hc vapor
Fresh air
Vacuum
...