SERVICE INFORMATION
GT-225
SRM-225
4
1-3 Torque limits
Descriptions
Size
kgfcm
Nm
inlbf
Starter Starter pawl assembly
M 8
80 - 100
8 - 10
70 - 90
system Starter case
M 4*
30 - 45
3 - 4.5
25 - 40
Ignition Flywheel
M 8
160 - 200
16 - 20
140 - 175
system Ignition coil
M 4
35 - 50
3.5 - 5
30 - 44
Fan cover
M 4
30 - 45
3 - 4.5
25 - 40
Spark plug
M 14
130 - 170
13 - 17
112 - 150
Fuel
Carburetor
M 5
30 - 45
3 - 4.5
25 - 40
system Intake insulator
M 5*
35 - 45
3.5 - 4.5
30 - 40
Fuel tank with stand
M 5*
40 - 60
4 - 6
35 - 55
Cylinder cover
Fan cover side M 5
25 - 45
2.5 - 4.5
22 - 40
Starter side
M 5
30 - 40
3 - 4
25 - 35
Engine Crankcase
M 5
70 - 110
7 - 11
60 - 95
Cylinder
M 5
70 - 110
7 - 11
60 - 95
Muf
er
M 5*
90 - 110
9 - 11
80 - 95
Exhaust guide
M 4
15 - 30
1.5 - 3
13 - 25
Muf
er cover Fan cover side M 5*
25 - 45
2.5 - 4.5
22 - 40
Starter side
M 5
30 - 40
3 - 4
25 - 35
Other Cutter fastener
LM 10
280 - 320
28 - 32
245 - 280
Regular bolt, nut and screw
M 3
6 - 10
0.6 - 1
5 - 9
M 4
15 - 25
1.5 - 2.5
13 - 22
M 5
25 - 45
2.5 - 4.5
22 - 40
M 6
45 - 75
4.5 - 7.5
40 - 65
M 8
110 - 150
11 - 15
95 - 130
LM: Left-hand thread.
Tapping screw
* Apply thread locking sealant. (See below)
** The torque differences among four bolts should not exceed 20 kgfcm (2Nm, 17inlbf) on one cylinder or crankcase
1-4 Special repairing materials
Material
Location
Remarks
Grease
Drive shaft
Gear case
Rewind spring
Lithium based grease or ECHO LUBE
TM
Starter center post
Oil seal inner lips
Thread locking
Starter case
sealant Muf
er
Muf
er cover
Loctite #242, ThreeBond #1324 or equivalent
Fuel tank
Intake insulator
Loctite #675