Yamaha YP125R Service Manual

CYLINDER HEAD (YP125R)
5-7
EAS37P1001
CYLINDER HEAD (YP125R)
Removing the cylinder head
Order Job/Parts to remove Q’ty Remarks
Thermostat
Refer to “THERMOSTAT (YP125R)” on page
6-3.
Water pump
Refer to “WATER PUMP (YP125R)” on page
6-5.
Engine
Refer to “ENGINE REMOVAL (YP125R)” on
page 5-1.
1 Timing mark accessing plug 1
2 Spark plug 1
3 Coolant temperature sensor 1
4 V-belt case cover 1
5 V-belt case air duct 1
6 V-belt case air filter element 1
7 Cylinder head cover 1
8 Cylinder head cover gasket 1
9 Timing chain tensioner 1
10 Timing chain tensioner gasket 1
11 Camshaft sprocket 1
10 Nm (1.0 m
•
kgf, 7.2 ft
•
Ibf)
T
.R.
10 Nm (1.0 m
•
kgf, 7.2 ft
•
Ibf)
T
.R.
10 Nm (1.0 m
•
kgf, 7.2 ft
•
Ibf)
T
.R.
7 Nm (0.7 m
•
kgf, 5.1 ft
•
Ibf)
T
.R.
7 Nm (0.7 m
•
kgf, 5.1 ft
•
Ibf)
T
.R.
8 Nm (0.8 m
•
kgf, 5.8 ft
•
Ibf)
T
.R.
13 Nm (1.3 m
•
kgf, 9.4 ft
•
Ibf)
T
.R.
18 Nm (1.8 m
•
kgf, 13 ft
•
Ibf)
T
.R.
22 Nm (2.2 m
•
kgf, 16 ft
•
Ibf)
T
.R.
30 Nm (3.0 m
•
kgf, 22 ft
•
Ibf)
T
.R.
7
8
13
14
14
6
5
2
3
1
12
11
9
10
(4)
4
New
New
New
New
New
New
New
New
LS
(4)
(4)
E
LS
New

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)