p
2
CONTENTS
1 .
Specifications
4 4
..
Ignition System 26 4
..
5
..
1
Checking on breaker-
4.1
Construction 26
controlled ignition
45
4
..
2
Operation 26 4.5.2
Adjustment on
breaker-
2
..
Clutch, Chain Drive 4 .
.2
..
1
General information
26
controlled ignition
45
and Chain Brake
7
4.2.2
Breaker-controlled
4
..
5
..
3
Checking on
electronic
2.1
Construction magneto ignition 27 ignition
47
and operation
7
4 .
.2
..
3 Bosch
transistor-controlled
4.6 Magneto edge
gap
48
2
..
1.1
Clutch and chain sprocket 7
magneto ignition 28
2
..
1.2
Chain brake
8
4.2.4
SEM
thyristor-controlled
2.2
Troubleshooting chart
8
magneto ignition
29
2.3
Disassembly
and repair
9
4
..
2.4..1
Charging the storage 5
..
Rewind Starter
49
2
..
3.1
Clutch
9
capacitor
29
5
..
1
Construction
2.3
.
.2
Chain brake
12
4.2
..
4.2Triggering the
thyristor
29 and operation
49
2.4
Assembly
13
4 . .2.4..3 Ignition 30 5.2 Troubleshooting chart
49
2.4.1 Chain brake
13 4
..
3
Troubleshooting chart
31
5.3 Disassembly
50
2.4 .
.2
Clutch
14
4.3.1
Breaker-controlled
5.4 Replacing the
starter
ignition system
31
rope
50
4
..
3 .
.2
Electronic ignition
5.5
Replacing the rewind
3
..
Engine 15 system 32 spring
51
3.1
Construction 15 4.4 Function and repair 5
..
6 Tensioning the rewind
3.2 Troubleshooting chart
15
of components 33 spring
51
3
..
3 Exposing the
cylinder
16
4.4..1
Spark
plug
33
5.7
Replacing starter rope
3.4 Disassembly of cylinder 4.4..2 Ignition lead
34 guide bush
52
and piston 16
4
..
4.3
Short-circuit
wire/ground
5
..
8 Routine maintenance
52
3.5
Assembly
of piston wire 35
and
cylinder
17
4.4.4
Short-circuit
contact
36
3
..
6 Disassembly of crankcase 4.4.5 Flywheel
37
-
removal
of
crankshaft 19 4
..
4.6 Armature
(Bosch)/ignition
6
..
AV Handle System
53
3
.
.7
Installing the
Crankshaft
module (SEM)
39
6
..
1
Construction
-
assembly
of crankcase21 4.4..6
..
1 Resistance
test
on
and operation
53
3.8 Leakage testing
primary winding
39 6
.
.2
Repair
53
the
crankcase
23 4.4..6.2Resistance
test
on
3
..
8.1
Pressure test 23
secondary
winding
39
3
. .8.2 Vacuum
test
25
4.4..6
..
3 Ignition coil
tester
40
3.8
..
3
Replacing the oil seals 25 4.4..6.4 Disassembly 7
..
Master Control
55
and
assembly
40
7.1
Construction
4.4.7
Condenser
41
and operation
55
4.4.8
Contact
set
42
7
.
.2
Disassembly
4.4..9
Trigger plate
44
and
assembly
55
4
..
5 Ignition timing 44
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