Stihl MS 390 User Manual

44 MS 290, MS 310, MS 390
When installing, push grommet (1)
sideways into the housing recess
(arrows). The wiring harness (2)
must be on the right of the ignition
lead (3).
209RA133
VA
2
1
3
: Position the wiring harness (1)
under the ignition lead (2).
209RA134
VA
2 1
: Push the ground wire into the
retainer (arrows).
: Position the cable lug against the
cylinder with its crimping facing
the cylinder.
209RA135
VA
: Push additional ground wire (1)
into the retainer (arrows).
: Position the cable lug against the
cylinder with its crimping facing
outwards.
209RA136
VA
1
: Fit the ground wires between the
guide lugs (arrows) and line them
up.
: Fit the screw (1) and tighten it
down firmly, b 3.5
209RA137
VA
1
– Install the ignition module,
b 7.1.2
Install all other parts in the reverse
sequence.

Stihl MS 390 Specifications

General

Engine Displacement	64.1 cc
Chain Pitch	3/8"
Weight	6.2 kg
Guide Bar Lengths	40 to 50 cm
Fuel Capacity	0.68 l (23.0 oz)