Stihl FS 80 User Manual

Alwayscheckandrepairthefuel
system,carburetor,airfilterand
ignitionsystembeforelookingfor
faultsontheengine.
Refertomanual"Troubleshooting,
standardrepairs"fortroubleshoo-
tingprocedures.
-Removefanhousingwithpro-
tectivetube,see3.1.
-Removemuffler,see4.1.
-Removecarburetor,see8.2.2.
-Removeignitionmodule,see5.2.
•
Removethrottlecablefrom
tensioner.
•
Removescrews.
-Removespacerflangeand
gasket.
•
Pullscrews(1)outofspacer
flangeifnecessary.
•
Loosenscrew(2)andremove
withbushing.
•
Drawtensioner(3)offspacer
flange.
•
Removeadjustingscrewfrom
tensioner.
Thepartsareassembledinrever-
seorder.
•
Insertscrew(1)withbushing(2).
-Useanewself-lockingnutfor
thescrew.
•
Useanewgasket.
-Tightendownthescrewsofthe
spacerflangetoatorqueof
5.5Nm.
392RA027
VA
392RA028
VA
392RA030
VA
2
392RA031
1
VA
392RA029
1
3
2
1
VA
392RA032
VA
4.4 Exposingthecylinder/
spacerflange
15

Stihl FS 80 Specifications

General

Engine Type	2-stroke
Displacement	25.4 cc
Cutting Diameter	420 mm
Shaft Type	Straight
Starter	Recoil
Sound Power Level	106 dB(A)
Fuel Capacity	0.44 liters
Vibration Level	4.5 m/s²