Yamaha YZF-R125 Service Manual: Setting the normal mode
NOTE:
The engine speed, coolant temperature, and fault code, if detected, can be displayed on the LCD of the FI diagnostic tool when the tool is connected to the vehicle and is set to the normal mode.
1. Set the main switch to "OFF" and the engine stop switch to "
".
2. Disconnect the self-diagnosis signal connector "1", and then connect the FI diagnostic tool "2" as shown.
3. Set the main switch to "ON" and start the engine.
NOTE:
- The coolant temperature and engine speed appear on the LCD of the FI diagnostic tool.
- "POWER" LED (green) comes on.
- If a malfunction is detected in the system, the "WARNING" LED (orange) comes on.
4. Stop the engine.
NOTE:
If a malfunction is detected in the system, the fault code appears on the
LCD of the FI diagnostic tool
and the "WARNING" LED (orange) comes on.
5. Set the main switch to "OFF" to cancel the normal mode.
6. Disconnect the FI diagnostic tool and connect the self-diagnosis signal connector.
Diagnostic mode
It is possible to monitor the sensor output data or check the activation of
actuators with the FI diagnostic
tool connected to the vehicle and set to the normal mode or the diagnostic
monitoring ...
Setting the diagnostic mode
1. Set the main switch to "OFF" and the engine stop switch to "
".
2. Disconnect the self-diagnosis signal connector "1", and then connect the FI
diagnostic tool "2" as
shown.
3. Disconnect ...
Other materials:
Checking and lubricating the brake and clutch levers
Brake lever
Brake lever
Clutch lever
Clutch lever
The operation of the brake and clutch
levers should be checked before each
ride, and the lever pivots should be lubricated
if necessary.
Recommended lubricants:Brake lever:
Silicone grease
Clutch lever:
Lithium-soap ...
Installing the throttle body
1. Install:
Throttle body joint clamps
NOTE:
Align the projections "a" on the throttle body joint
with the slot "b" in each throttle body joint clamp.
2. Install:
Throttle body joint
NOTE:
Align the projection "a" on the throttle body joint
with the slot "b" in the intake mani ...
Checking the cylinder head
1. Eliminate:
Combustion chamber carbon deposits
(with a rounded scraper)
NOTE:
Do not use a sharp instrument to avoid damaging
or scratching:
Spark plug bore threads
Valve seats
2. Check:
Cylinder head
Damage/scratches Replace.
Cylinder head water jacket
Min ...