Manual

SERVICE INFORMATION
SRM-330ES
SRM-350ES
4
1-3 Torque limits
Descriptions Size kgf•cm N•m in•lbf
Starter Pawl carrier M 8 80 - 100 8 - 10 70 - 90
system
Pawl carrier nut M 8 160 - 200 16 - 20 140 - 175
Starter case Tops M 5* 30 - 45 3.0 - 4.5 26 - 40
Bottoms M 5 50 - 80 5 - 8 45 - 70
Ignition Magneto rotor (Flywheel) M 8 180 - 230 18 - 23 155 - 200
system
Ignition coil M 5 70 - 90 7 - 9 60 - 80
Spark plug M 14 150 - 170 15 - 17 130 - 150
Fan cover M 5 70 - 110 7 - 11 60 - 95
Fuel Carburettor insulator M 5* 60 - 80 6 - 8 50 - 70
system
Carburettor M 5 35 - 50 3.5 - 5.0 30 - 45
Fuel tank stand M 5 50 - 80 5 - 8 45 - 70
Cleaner case M 5* 30 - 45 3.0 - 4.5 26 - 40
Clutch Clutch shoe M 8 70 - 110 7 - 11 60 - 95
Engine Crankcase M 5** 70 - 110 7 - 11 60 - 95
Cylinder M 5** 70 - 110 7 - 11 60 - 95
Cylinder cover M 5* 30 - 45 3.0 - 4.5 26 - 40
Muffler M 6 60 - 100 6 - 10 50 - 90
Muffler cover M 5* 30 - 45 3.0 - 4.5 26 - 40
Muffler stay M 5 60 - 90 6 - 9 50 - 80
Others Blade fastening nut LM 10 280 - 320 28 - 32 245 - 280
Regular bolt, nut, M 3 6 - 10 0.6 - 1.0 5 - 9
and screw 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
M 10 210 - 300 21 - 30 180 - 260
LM: Left hand thread.
* Apply thread locking sealant. (See below)
** The torque differences among four bolts should not exceed 20 kgf•cm (2Nm, 17in•lbf) on one cylinder or
crankcase.
1-4 Special repairing materials
Material Location Remarks
Grease Gear case
Rewind spring Lithium based grease or ECHO LUBE
TM
Starter center post
Oil Oil seal inner lips
Two-stroke engine oil or engine oil (SAE#30)
Drive shaft
Thread locking sealant Starter case
Cleaner case
Loctite #242, ThreeBond #1324 or equivalent
Cylinder cover
Muffler cover
Carburettor insulator Loctite #222, ThreeBond #1342 or equivalent