Yamaha YP125R Service Manual

CYLINDER HEAD (YP250R)
5-67
EAS24100
CYLINDER HEAD (YP250R)
Removing the cylinder head
Order Job/Parts to remove Q’ty Remarks
Thermostat
Refer to “THERMOSTAT (YP250R)” on page
6-10.
Engine
Refer to “ENGINE REMOVAL (YP250R)” on
page 5-61.
1 Coolant temperature sensor 1
2 Oil check bolt 1
3 V-belt case air filter cover 1
4 Timing mark accessing plug 1
5 Spark plug 1
6 Camshaft sprocket cover 1
7 Tappet cover 2
8 Timing chain tensioner 1
9 Timing chain tensioner gasket 1
10 Camshaft sprocket plate 1
11 Camshaft sprocket 1
12 Dowel pin 1
13 Cylinder head 1
3
4
1
(4)
7
2
8
14
15
9
12
11
10
13
7
5
6
E
New
New
New
New
New
New
New
LS
LS
New
New
LS
LS
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.
10 Nm (1.0 m
•
kgf, 7.2 ft
•
Ibf)
T
.R.
8 Nm (0.8 m
•
kgf, 5.8 ft
•
Ibf)
T
.R.
18 Nm (1.8 m
•
kgf, 13 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.
60 Nm (6.0 m
•
kgf, 43 ft
•
Ibf)
T
.R.
7 Nm (0.7 m
•
kgf, 5.1 ft
•
Ibf)
T
.R.

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)