Yamaha YP125R Service Manual

TRANSMISSION (YP250R)
5-112
EAS26240
TRANSMISSION (YP250R)
Removing the transmission
Order Job/Parts to remove Q’ty Remarks
Rear wheel Refer to “REAR WHEEL” on page 4-15.
Final transmission oil
Drain.
Refer to “CHANGING THE FINAL TRANS-
MISSION OIL” on page 3-28.
Secondary sheave assembly
Refer to “V-BELT AUTOMATIC TRANSMIS-
SION (YP250R)” on page 5-89.
1 Transmission case cover 1
2Gasket 1
3 Dowel pin 2
4 Primary drive gear 1
5Washer 2
6Washer 1
7 1st wheel gear 1
8 Conical spring washer 1
9Drive axle 1
10 Main axle 1
11 Conical spring washer 1
E
E
E
E
E
A B
LS
New
5
3
16 Nm (1.6 m
•
kgf, 11 ft
•
Ibf)
T
.R.
E

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)