Yamaha YZF-R125 Service Manual: Separating the crankcase
1. Remove:
- Crankcase bolts
NOTE:
Loosen each bolt 1/4 of a turn at a time, in stages and in the proper sequence as shown.
A. Right crankcase
B. Left crankcase
2. Turn:
- Shift drum segment
NOTE:
Turn the shift drum segment "1" to the position shown in the illustration. In this position, the shift drum segment teeth will not contact the crankcase during crankcase separation.
3. Remove:
- Right crankcase
| CAUTION: Tap on one side of the crankcase with a softface hammer. Tap only on reinforced portions of the crankcase, not on the crankcase mating surfaces. Work slowly and carefully and make sure the crankcase halves separate evenly. |
Crankcase
...
Checking the crankcase
1. Thoroughly wash the crankcase halves in a
mild solvent.
2. Thoroughly clean all the gasket surfaces and
crankcase mating surfaces.
3. Check:
Crankcase
Cracks/damage Replace.
Oil de ...
Other materials:
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 tester ( × 10)
to the terminals
of the FID (fast idle solenoid).
Positive tester probe ...
Troubleshooting
The starter motor fails to turn.
NOTE:
Before troubleshooting, remove the following part(s):
1. Seats
2. Fuel tank
3. Left lower side cowling
4. Left upper side cowling
...
Replacing the headlight bulbs
The following procedure applies to the low beam
headlight bulb.
1. Remove:
Headlight bulb cover "1"
2. Remove:
Headlight bulb holder "1"
3. Remove:
Headlight bulb "1"
WARNINGSince the headlight bulb gets extremely
hot,
keep flammable products and your ...