Yamaha YZF-R125 Service Manual: Troubleshooting
Yamaha YZF-R125 Service Manual / Troubleshooting
- General information
- Starting failures
- Incorrect engine idling speed
- Poor medium-and-high-speed performance
- Shift pedal does not move
- Jumps out of gear
- Faulty clutch
- Overheating
- Poor braking performance
- Faulty front fork legs
- Unstable handling
- Faulty lighting or signaling system
Checking the fid (fast idle solenoid)
1. Disconnect:
FID (fast idle solenoid) coupler
2. Check:
FID (fast idle solenoid) resistance
a. Disconnect the FID (fast idle solenoid) coupler
from the FID.
b. Connect the pocket t ...
General information
NOTE:
The following guide for troubleshooting does not
cover all the possible causes of trouble. It should
be helpful, however, as a guide to basic troubleshooting.
Refer to the relative procedu ...
Other materials:
Starting the engine
In order for the ignition circuit cut-off
system to enable starting, one of the
following conditions must be met:
The transmission is in the neutral
position.
The transmission is in gear with
the clutch lever pulled and the sidestand
up.
1. Turn the key to "ON" and make
sure ...
Replacing the air filter element and cleaning the check hose
The air filter element should be replaced
at the intervals specified in the
periodic maintenance and lubrication
chart. Have a Yamaha dealer replace
the air filter element more frequently if
you are riding in unusually wet or dusty
areas. In addition, the air filter check
hose must be ...
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