Stihl MS 390 User Manual

22 MS 290, MS 310, MS 390
– Before installation, coat the
knurled area of the new pin with
Loctite 243, b 13.
– Position the new pin in the bore
so that the knurling on the pin
meshes with the existing knurling
in the bore. Turn pin back and
forth as necessary.
– Carefully tap home the pin
squarely from the outside
inwards, in direction of cylinder.
Brake spring anchor pin
: Drive home pin (1) until
dimension “a“ is 4.5 ± 0.2 mm
209RA206
1
VA
a
Hand guard pivot pin
: Drive home pin (1) until
dimension “a” is 12 ± 0.2 mm
209RA207
1
VA
a
Spring anchor pin
: Drive home pin (1) until
dimension “a” is 3.0 ± 0.2 mm
209RA208
1
VA
a
Cam lever pivot pin
: Drive home pin (1) until
dimension “a” is 4.6 ± 0.2 mm
209RA209
1
VA
a
Lever pivot pin
: Drive home pin (1) until
dimension “a” is 9.1 ± 0.2 mm
209RA210
1
VA
a
Install all other parts in the reverse
sequence.
5.7.2 Installing

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)