Stihl MS 261 User Manual

96 MS 261, MS 261 C
11.3 Oil Pump
– Troubleshooting,
b
3.3
– Remove the clutch,
b
4
– Remove the brake band,
b
5.2
: Remove the washer (1).
: Pull the worm (1) with drive
spring (2) out of the oil pump.
: Check the spring (1) and
worm (2) and replace if
necessary.
TOP
5902RA355 TG
1
5902RA356 TG
1
2
5902RA357 TG
1
2
: Pull off the oil suction hose (1).
: Take out the screws (2).
: Pull off the oil pump (1), check
and replace if necessary.
: Fit a new sealing ring (1).
Always use a new sealing ring.
1
5902RA364 TG5902RA358 TG
2
1
2
5902RA359 TG
1
Installing
Check that sealing ring is fitted.
: Position the oil pump (1) so that
its rear nipple engages the
sealing ring.
: Insert and tighten down the
screws (2) firmly.
– Push the worm fully home.
: Position the oil suction hose (1)
so that the lugs (arrows) are in
alignment.
: Push the oil suction hose (1) onto
the nipple.
5902RA360 TG
2
1
2
1
5902RA362 TG

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