Yamaha YP125R Service Manual

STARTER CLUTCH AND GENERATOR (YP125R)
5-41
EAS37P1039
REMOVING THE GENERATOR
1. Remove:
• Generator cover
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:
• Generator rotor nut “1”
• Washer
T
IP
• While holding the generator rotor “2” with the
sheave holder “3”, loosen the generator rotor
nut.
• Do not allow the sheave holder to touch the
projection on the generator rotor.
3. Remove:
• Generator rotor “1”
(with the flywheel puller “2”)
• Woodruff key
NOTICE
ECA37P1005
To protect the end of the crankshaft, place an
appropriate sized socket between the fly-
wheel puller set center bolt and the crank-
shaft.
T
IP
Make sure the flywheel puller is centered over
the generator rotor.
EAS37P1040
REMOVING THE STARTER CLUTCH
1. Remove:
• Starter clutch bolts “1”
• Starter clutch
T
IP
• While holding the generator rotor “2” with the
sheave holder “3”, remove the starter clutch
bolts.
• Do not allow the sheave holder to touch the
projection on the generator rotor.
EAS37P1041
CHECKING THE STARTER CLUTCH
1. Check:
• Starter clutch rollers “1”
• Starter clutch spring caps “2”
• Starter clutch springs “3”
Damage/wear → Replace.
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
Flywheel puller
90890-01362
Heavy duty puller
YU-33270-B
1
2
3
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
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)