MS 241 C-M
English
51
Definitions
1 Shroud Lock
Lock for the shroud.
2 Decompression Valve –
(Automatically Resetting)
Releases compression pressure to 
make starting easier – when 
activated.
3Shutter
With summer and winter positions. 
Carburetor is heated in winter 
position.
4Chain Brake
A device to stop the rotation of the 
chain. Is activated in a kickback 
situation by the operator's hand or 
by inertia.
5 Chain Sprocket
The toothed wheel that drives the 
saw chain.
6 Chain Sprocket Cover
Covers the sprocket.
7 Chain Catcher
Helps to reduce the risk of operator 
contact by a chain when it breaks or 
comes off the bar.
8 Chain Tensioner
Permits precise adjustment of chain 
tension.
9Bumper Spike
Toothed stop for holding saw steady 
against wood.
10 Guide Bar
Supports and guides the saw chain.
11 Oilomatic Saw Chain
A loop consisting of cutters, tie 
straps and drive links.
12 Oil Filler Cap
For closing the oil tank.
13 Muffler (with Spark Arresting 
Screen)
Muffler reduces engine exhaust 
noise and diverts exhaust gases 
away from operator.
Spark arresting screen is designed 
to reduce the risk of fire.
14 Front Hand Guard
Provides protection against 
projecting branches and helps 
prevent left hand from touching the 
chain if it slips off the handlebar. It 
also serves as the lever for chain 
brake activation.
15 Front Handle (Handlebar)
Handlebar for the left hand at the 
front of the saw.
16 Spark Plug Boot
Connects the spark plug with the 
ignition lead.
17 Starter Grip
The grip of the pull starter, for 
starting the engine.
18 Fuel Filler Cap
For closing the fuel tank.
19 Master Control Lever
Lever for starting, operating and 
stop-engine positions.
20 Throttle Trigger
Controls the speed of the engine.
21 Throttle Trigger Lockout
Must be depressed before the 
throttle trigger can be activated.
22 Rear Handle
The support handle for the right 
hand, located at the rear of the saw.
23 Rear Hand Guard
Gives added protection to 
operator's right hand.
Guide Bar Nose
The exposed end of the guide bar. 
(not illustrated, see chapter 
"Tensioning the Saw Chain")
Clutch
Couples engine to chain sprocket 
when engine is accelerated beyond 
idle speed. (not illustrated)
Anti-Vibration System
The anti-vibration system includes a 
number of anti-vibration elements 
designed to reduce the 
transmission of vibrations created 
by the engine and cutting 
attachment to the operator's hands. 
(not illustrated)