Contents
1.
2.
3.
3.1
3.2
Ignition System
3.3
4.
4.1
4.2
4.3
5.
5.1
5.2
6.
6.1
6.1.1
6.1.2
6.1.3
6.2
6.3
6.4
6.5
6.5.1
6.6
6.7
6.7.1
Series 4144 Powerhead
2
7.
7.1
3
7.1.1
7.2
4
7.3
Testing
4
7.4
4
7.5
7.6
5
6
8.
6
7
9
9.
10
10
11
13
13
13
14
15
15
17
17
21
21
23
24
27
27
28
28
29
30
31
32
33
36
38
q
© ANDREAS STIHL AG & Co. KG, 2008
1