Yamaha YZF-R125 Service Manual: Lubrication diagrams
- Clutch push lever
- Main axle
- Drive axle
- Crankshaft
- Oil filter
- Oil pump assembly
- Oil strainer
- To cylinder head
- Camshaft
- Crankshaft
- Main axle
- Drive axle
Engine oil lubrication chart
Oil pump
Oil filter element
Crankshaft
Camshaft
Main axle
Drive axle
...
Cooling system diagrams
Radiator inlet hose
Coolant reservoir hose
Radiator cap
Radiator
Coolant reservoir breather hose
Coolant reservoir
Water pump breather hose
Water pump
Radiator outlet hose
...
Other materials:
Intake air temperature sensor
1. Check:
Intake air temperature sensor resistance
Out of specification Replace
the throttle
body.
a. Connect the pocket tester ( ×
1k) to the
throttle body sensor assembly coupler as
shown.
Positive tester probe
brown/white "1"
Negative tester probe
gray/black ...
Checking the primary driven gear
1. Check:
Primary driven gear "1"
Damage/wear Replace the
primary drive
gear and clutch housing as a set.
Excessive noise during operation
Replace
the primary drive gear and clutch housing as
a set.
...
Checking the valve springs
The following procedure applies to all of the
valve springs.
1. Measure:
Valve spring free length "a"
Out of specification Replace the valve
spring.
2. Measure:
Compressed valve spring force "a"
Out of specification Replace the valve
spring.
b. Installed length
3. ...