Stihl MS 261 User Manual

31MS 261, MS 261 C
Installing
– Before installing the new pin, coat
its knurled shank with
threadlocking adhesive,
b
15
: Position the new pin in the
bore (arrow) so that the knurling
on the pin meshes with the
existing knurling in the bore.
Turn pin back and forth as
necessary.
The pins must be driven home
squarely.
: Drive home the pins (1 and 2) as
specified below.
5902RA075 TG5902RA076 TG
1
2
: Pin (1) a = about 2.9 - 3.3 mm
Pin (2) b = about 4.3 - 4.7 mm
: Drive home the pins (3, 4 and 5)
as specified below.
: Pin (3) a = about 10.3 - 10.5 mm
Pin (4) b = about 4.6 - 4.8 mm
Pin (5) c = about 5.1 - 5.3 mm
a
b
0001RA061 TG
1
2
5902RA077 TG
4
3
5
a
c
b
3
4
5
0001RA063 TG
Machines with QuickStop Super
: Drive home the pins (5 and 6) as
specified below.
: Pin (5) b = about 5.9...6.1 mm
Pin (6) a = about 2.9...3.3 mm
– Reassemble all other parts in the
reverse sequence.
– Lubricate the brake and cam
levers, b
b
15
5902RA078 TG
5
6
a
b
0001RA065 TG
6
5

Stihl MS 261 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Blade length	400 mm
Automatic oiling	Yes
Oil tank capacity	0.27 L
Fuel tank capacity	0.5 L
Engine displacement	50.2 cm³
Engine power	3.8 hp
Power source	Gasoline

Weight and Dimensions

Weight	5200 g