Yamaha TT-R125(N) Owner's Service Manual page 328

CDI MAGNETO
2. Install:
Woodruff key 1
Rotor 2
NOTE:
Clean the tapered portions of the crankshaft
and rotor.
When installing the woodruff key, make sure
that its flat surface a is in parallel with the
crankshaft center line b.
When installing the rotor, align the keyway of
the rotor with the woodruff key.
3. Install:
Plain washer 1
Nut (rotor) 2
Use the sheave holder 3.
Sheave holder:
YS-1880-A/90890-01701
4. Install:
Dowel pin
Gasket
Left crankcase cover
Bolt (left crankcase cover)
NOTE:
Tighten the screws in stage, using a crisscross
pattern.
5. Connect:
CDI magneto lead
Refer to "CABLE ROUTING DIA-
GRAM" section in the CHAPTER 2.
4 - 60
ENG
80 Nm (8.0 m · kg, 58 ft · lb)
New
10 Nm (1.0 m · kg, 7.2 ft · lb)