SERVICE INFORMATION
5
CS-2511WES
251Ws
1-4 Special repairing materials
Material
Location
Remarks
Thread locking sealant Stud bolt
Loctite #242, ThreeBond #1324 or equivalent
Ignition coil
Loctite #222, ThreeBond #1342 or equivalent
Ignition switch
Loctite #242, ThreeBond #1324 or equivalent
Grease
Recoil starter
EPNOC AP2 (Lithium based grease)
P/N X695-000060
Needle bearing, clutch
Worm gear
Oil seal lip
Chain brake (metal contact part)
Molybdenum grease (approx.1 gram)
1-3 Torque limits
Descriptions
Size
kgf•cm
N•m
in•lbf
Starter system Starter pawl
M5
30
-
45
3
-
4.5
25
-
40
Starter case
M4
20
-
30
2
-
3
20
-
25
Ignition system Magneto rotor (Flywheel)
M8
250
-
290
25
-
29
220
-
255
Ignition coil
M4*
30
-
45
3
-
4.5
25
-
40
Ignition switch
M3*
3
-
5
0.3
-
0.5
3
-
4
Spark plug
M10
100
-
150
10
-
15
90
-
135
Fuel system
Carburetor
M5
30
-
45
3
-
4.5
26
-
40
Intake bellows
M4
30
-
45
3
-
4.5
26
-
40
Clutch
Clutch hub
LM8
250
-
290
25
-
29
220
-
255
Engine
Crankcase
M4
30
-
45
3
-
4.5
26
-
40
Cylinder
M4
30
-
45
3
-
4.5
26
-
40
Engine mount
M4
35
-
50
3.5
-
5
30
-
45
Muffler
M5
60
-
90
6
-
9
52
-
80
Muffler cover
M4
†
20
-
30
2
-
3
20
-
25
Others
Auto-oiler
M4
30
-
45
3
-
4.5
26
-
40
Front handle Clutch side
M5
30
-
40
3
-
4
26
-
35
Recoil side
M4
†
25
-
30
2.5
-
3
18
-
26
Compression spring
M4
†
20
-
35
2
-
3.5
20
-
30
Brake cover
M4
†
20
-
30
2
-
3
20
-
25
Sprocket guard plate
(Sprocket guard side)
M4
†
20
-
30
2
-
3
20
-
25
Brake lever (Hand guard)
M5
30
-
45
3
-
4.5
26
-
40
Chain catcher
M5
30
-
45
3
-
4.5
26
-
40
Stud bolt
M8
*
150
-
200
15
-
20
130
-
220
Bolt (at guide bar mount)
M5
30
-
45
3
-
4.5
26
-
40
Guide bar nut
M8
120
-
150
12
-
15
105
-
135
Spike
M5
†
30
-
45
3
-
4.5
26
-
40
Regular bolt, nut and screw
M3
6
-
10
0.6
-
1
5
-
9
M4
15
-
25
1.5
-
2.5
13
-
22
M5
25
-
45
2.5
-
4.5
22
-
40
LM: Left-hand thread * Apply thread locking sealant. (See below)
†
Tapping screw