Yamaha YZF-R125 Service Manual: Installing the radiator
1. Fill:
- Cooling system (with the specified amount of the recommended coolant) Refer to "CHANGING THE COOLANT" on page 3-15.
2. Check:
- Cooling system
Leaks
Repair or replace any
faulty part.
3. Measure:
- Radiator cap opening pressure
Below the specified pressure
Replace
the radiator cap.Refer to "CHECKING THE RADIATOR" on page 6-3.
Checking the radiator
1. Check:
Radiator fins
obstruction clean.
Apply compressed air to the rear of the radiator.
Damage repair or replace.
NOTE:
Straighten any flattened fins with a thin, flat-head
scre ...
Thermostat
...
Other materials:
Important manual information
Particularly important information is distinguished in this manual by the
following notations:
This is the safety alert symbol. It is used to alert you to potential personal
injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury
or death.
WARNING
...
Troubleshooting
The ignition system fails to operate (no spark or intermittent spark).
NOTE:
Before troubleshooting, remove the following part(s):
1. Seats
2. Fuel tank
3. Right side cover
4. Left side panel
5. Left upper side cowling
...
Checking the camshaft sprocket and timing chain guide
1. Check:
Camshaft sprocket
More than 1/4 tooth wear "a" Replace
the
camshaft sprocket, timing chain and crankshaft
as a set.
a. 1/4 tooth
b. Correct
1. Timing chain roller
2. Camshaft sprocket
2. Check:
Timing chain guide (exhaust side)
Damage/wear Replace.
...