Yamaha YZF-R125 Service Manual: Assembling the crankcase
1. Thoroughly clean all the gasket mating surfaces and crankcase mating surfaces.
2. Apply:
- Sealant
(onto the crankcase mating surfaces)
NOTE:
Do not allow any sealant to come into contact with the oil gallery.
3. Install:
- Right crankcase
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 installation.
4. Install:
- Crankcase bolts
NOTE:
Tighten each bolt 1/4 of a turn at a time, in stages and in the proper sequence as shown.
- M6 × 70 mm : "7-9", "11"
- M6 × 55 mm : "14", "15"
- M6 × 45 mm : "1-5", "10"
A. Left crankcase
B. Right crankcase
Installing the bearing retainer
1. Install:
Bearing retainer "1"
NOTE:
Install the bearing retainer "1" with its "OUT"
mark "a" facing outward.
Apply locking agent (LOCTITE) to the
threads of the bearing retainer bo ...
Crankshaft
...
Other materials:
Checking the radiator fan motor
1. Check:
Radiator fan motor
Faulty/rough movement → Replace.
a. Disconnect the radiator fan motor coupler
from the wire harness.
b. Connect the battery (DC 12 V) as shown.
Positive tester probe →
blue "1"
Negative tester probe →
black "2"
c. Measure ...
Checking the condition of the bulbs
The following procedure applies to all of the
bulbs.
1. Remove:
Bulb
WARNINGSince the headlight bulbs get extremely
hot,
keep flammable products and your hands
away from them until they have cooled
down.
CAUTION:
Be sure to hold the socket firmly when re ...
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 ...