Carburetor - Stihl MS 661 Manual

13.4

Carburetor

– Open the fuel tank cap and drain
the fuel tank, b 1.1.
– Collect the fuel in a clean
container, b 1.1
– Remove the filter base, b 13.3
– Remove the shroud, b 6.4
– Disconnect the throttle rod from
the trigger and carburetor,
b 11.3
Disconnect the fuel hose only when
the tank cap is open.
Models without M-Tronic
– Remove the choke rod, b 11.3.1
Versions with carburetor heating
1
2
: Pull the wire (1) out of the guides
(arrows), remove the heating
element (2) and put it to one side.
98
1
2
: Take out the screw (1) and pull
the thermocouple's wire (2) out of
the guide (arrow).
Models with M-Tronic
1
: Take out the screw (1) and pull
the M-Tronic's red wire (2) out of
the guides (arrows).
2
1
: Disconnect spade terminal (1)
from the contact spring (2) and
pull the M-Tronic's black wire (2)
out of the guides (arrows).
All models
: Push out the grommet (1) and
then pull it out between the tank
housing and cover (2).
2
2
: Use the tab (arrow) to pull out the
elbow connector (1) with fuel
suction hose (2).
1
3
: Disconnect impulse hose (1).
2
1
1
MS 661, MS 661 C-M