Stihl MS 461 Manual

7MS 461, MS 461-R
Fastener Thread size For component Torque
Nm
Remarks
Screw M 5x20 Chain catcher / guard plate / crankcase,
bottom
8.0 5), R
Locknut M 5 Spiked bumper / chain sprocket cover / screw 6.0
Screw M 5x12 Spiked bumper / crankcase, top / locknut 8.0 4), 6)
Screw M 5x12 Crankcase / guard plate / locknut 8.0 4), 6), R
Screw M 5x25 Crankcase, sprocket side / fan side 10.0 4), 6)
Screw M 5x20 Fan housing 7.0 4), 6)
Carrier M 12x1 L Carrier 50.0
Screw M 4x12 Oil pump / crankcase 3.5 4), 6)
Screw M 4x16 Annular buffer / crankcase 4.5 1), 5)
Screw P 6x19 Annular buffer / tank housing, rear 5.5
Screw P 6x32.5 Annular buffer / tank housing, rear / ignition
side, top
5.5
Screw P 6x19 Annular buffer / tank housing, front 5.5
Screw M 5x20 Wrap-around handle with bracket 7.0 4), 6)
Screw M 6x30 Muffler / crankcase 15 1), 4), 6)
Screw M 5x16 Muffler / cylinder 11.5 1), 4)
Screw M 5x6 Muffler, top 6.5 4), 5)
Screw M 6x30 Muffler, ign. side / crankcase 15 1), R
Screw B 2.9x9.5 Switch housing 1.0
Screw B 3.9x13 Guard / tank housing 2.8
Screw M 5x10 Guard plate / screw, muffler 7.5 4), 5), R
Nut M 8x1 Flywheel / crankshaft 33.0 7)
Screw M 4x8 Side plate / crankcase 3.0
Screw M 3x20 Clamp / manifold 0.5
Nut M 12x075 Tank housing / switch 2.0 VW
M 14x1.25 Spark plug 25.0
Screw M 5x20 Ignition module / crankcase 7.0 4), 5)
Screw M 6x30 Cylinder / crankcase 15.0 4), 6)
Remarks:
1) Loctite 242 or 243, medium strength
2) Loctite 270, high strength
3) Loctite 649, high strength
4) Screws with binding head
5) Micro-encapsulated screws
6) Waxed screws
7) Degrease crankshaft/flywheel and mount oil-free
VW) Carburetor and handle heating system
R) Rescue saw

Stihl MS 461 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Automatic oiling	Yes
Oil tank capacity	0.325 L
Fuel tank capacity	0.8 L
Engine displacement	76.5 cm³
Engine power	6 hp
Power source	Gasoline

Weight and Dimensions

Weight	6700 g