SERVICE INFORMATION
SRM-420ES
6
1.5
1.65
1.3
0.4
a
0
0.4
50
0.8
1.2
1.
MPa
0
a
b
PET
-304
1
7
4
3
2
b
Key
Part Number
Description
Used for:
1 G310-000050
Tachometer PET-304
Measuring engine speed to adjust carburettor
2
X605-000050
Torx L wrench
Removing and installing bolt
3 897501-03938 Puller
Removing
fl
ywheel
4
897835-16131 Pressure connector
Testing crankcase and cylinder leakages
5
897537-30130 Piston stopper
Locking crankshaft rotation
6
897563-19830 Metering lever gauge Measuring metering lever height on carburettor
7
897603-23030 PTO shaft puller
Removing PTO shaft
8
897701-02830 Bearing wedge
Removing ball bearing remaining on crankshaft
9
897701-06030 Bearing wedge
Removing ball bearing on PTO shaft / drive gear
10 897701-14732 Bearing
tool
Removing and installing ball bearings on crankcase / clutch drum
11
897702-30131 Piston pin tool
Removing and installing piston pin (Use 10mm dia. adapter)
12
897712-04630 2-pin wrench
Removing and installing pawl carrier
13
897714-12330 Oil seal tool
Installing crankcase oil seal (clutch side)
14
897714-24330 Oil seal tool
Installing crankcase oil seal (starter side) / PTO shaft bearings
15
897726-21430 Oil seal tool
Installing crankcase oil seal (clutch side)
16
897718-03930 Bearing tool
Installing crankcase oil seal (starter side)
17
897719-02830 Piston holder
Making piston steady to remove and install piston / ring
18
363018-00310 Washer
Installing crankcase oil seal (starter side)
19
897800-79931 Spark tester
Checking ignition system
20
897803-30132 Pressure tester
Testing fuel pipes/tank and crankcase leakages
21
897826-16131 Pressure plug
Plugging intake port to test crankcase / cylinder sealing
22
897827-16131 Pressure plate
Plugging intake port to test crankcase / cylinder sealing
23
897831-16131 Pressure plug
Plugging exhaust port to test crankcase / cylinder sealing
24
91037
Compression gauge
Measuring cylinder compression
25
Y089-000091
D-shaped tool
Adjusting mixture needle
1-6 Special tools
1
7
8:
a
= 80
mm
9:
a
= 70
mm
19
3
10
20
22
12
5
4
11
17
2: b
=
6
mm
21
6
16
23
14:
a
= 12
mm
b
= 32
mm
15
: a
= 15
mm
b
= 24.5
mm
18
24
13
25
