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:
Checking the timing chain and timing chain guide
1. Check:
Timing chain
Damage/stiffness Replace the
timing
chain and camshaft sprocket as a set.
2. Check:
Timing chain guide (intake side)
Damage/wear Replace.
Checking the oil strainer
1. Check:
Oil strainer
Damage Replace.
Contaminants Clean with solvent.
...
Checking the lean angle sensor
1. Remove:
Lean angle sensor
2. Check:
Lean angle sensor output voltage
Out of specification Replace.
a. Connect the lean angle sensor to the wire
harness.
b. Connect the pocket tester (DC 20 V) to the
lean angle sensor coupler as shown.
Positive tester probe
yellow/green "1"
Neg ...
Checking the piston pin
1. Check:
Piston pin
Blue discoloration/grooves
Replace the
piston pin and then check the lubrication system.
2. Measure:
Piston pin outside diameter "a"
Out of specification Replace
the piston pin.
3. Measure:
Piston pin bore diameter "b"
Out of specifica ...