Yamaha YP125R Service Manual

V-BELT AUTOMATIC TRANSMISSION (YP250R)
5-93
EAS24620
REMOVING THE PRIMARY SHEAVE
1. Remove:
• V-belt case
T
IP
Loosen each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern. After all of the
bolts are fully loosened, remove them.
2. Remove:
• Primary sheave nut “1”
• Washer
• Primary fixed sheave “2”
T
IP
While holding the primary fixed sheave with the
rotor holding tool “3”, loosen the primary sheave
nut.
EAS24630
REMOVING THE SECONDARY SHEAVE
1. Remove:
• Secondary sheave nut “1”
• Spacer
• Clutch housing “2”
T
IP
While holding the clutch housing with the sheave
holder “3”, loosen the secondary sheave nut.
2. Loosen:
• Clutch carrier nut “1”
NOTICE
ECA13860
Do not remove the clutch carrier nut at this
stage.
T
IP
While holding the clutch carrier with the sheave
holder “2”, loosen the clutch carrier nut one full
turn with the locknut wrench “3”.
3. Remove:
• Secondary sheave assembly “1”
• V-belt “2”
T
IP
Remove the V-belt and secondary sheave as-
sembly from the primary sheave side.
Rotor holding tool
90890-01235
Universal magneto & rotor holder
YU-01235
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
Locknut wrench
90890-01348
YM-01348
1
3
2

Yamaha YP125R Specifications

General

Engine Type	Liquid-cooled, 4-stroke, SOHC, 4-valve
Bore x Stroke	52.4 mm x 57.9 mm
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	V-Belt Automatic
Front Suspension	Telescopic fork
Rear Suspension	Unit Swing
Front Brake	Hydraulic single disc, Ø267 mm
Starter System	Electric
Rear Tyre	140/70-14M/C 62P (Tubeless)