Decompression Valve; Ignition System - Stihl MS 270 User Manual

Installing
If a new crankshaft has been
installed, fit the piston – see
Heat the ball bearings to about
50°C and push them on, closed
side facing outwards, as far as
stop.
Reassemble all other parts in the
reverse sequence.
– Coat cylinder with 'Dirko red'
before installation – see
– Install the cylinder – see
44
6.8

Decompression Valve

Removing
– remove the carburetor box cover
6.5.2. and shroud –
Unscrew the decompression
valve (1).
Installing
– Fit the decompression valve and
tighten it down firmly –
14. – Fit the carburetor box cover and
shroud – see
6.5.2.
7
Exercise extreme caution when
1
troubleshooting or carrying out
maintenance and repair work on the
ignition system. The high voltages
that occur can cause serious or
even fatal accidents.
Troubleshooting on the ignition
system should always begin at the
spark plug –
see 6.4.
see 3.5.
6.4.
The electronic ignition system
basically consists of an ignition
module (1) and flywheel (2).

Ignition System

see 4.4.
1
2
MS 270, MS 280