Fuel Filter; Fuel Pump; Carburettor - Husqvarna 125C Workshop Manual

Fuel system

Fuel filter

The fuel filter can be removed through
the tank's fill hole.
Clean the filter externally if it is not too
dirty.
Replace the filter if required.
502 50 83-01

Fuel pump

The fuel pump facilitates cold starts.
The pump cannot be repaired and must
be replaced if it stops working.
Note how the fuel hoses are connected
to simplify assembly.

Carburettor

Dismantling
Dismantle the air filter and carburettor
cover.
505 38 13-08
Dismantle the carburettor.
Fuel filter
The fuel hose in the tank contains a fuel
filter. It is accessible through the fill
hole. Pull out the filter with your fingers
or with help of tool 502 50 83-01.
If the filter is not too dirty, its surface
can be cleaned with a brush.
Otherwise it must be replaced.
Check the fuel hose for cracks and
leaks.
Make sure that the connection neck on
the filter is inserted as far as possible
into the fuel hose.
Fuel pump
The fuel pump has the task of
facilitating the start of the engine when
cold. The pump fills the carburettor with
fuel before attempting to start the
engine. This also prevents vapour
bubbles from blocking the narrow fuel
channels.
If the pump does not work it must be
replaced.
Note how the fuel hoses are connected
to simplify assembly.
Carburettor
Dismantling
Dismantle the air filter cowling and the
air filter.
Unscrew both nuts (A) holding the
carburettor cover and the carburettor.
Slide the choke to the closed position
and lift off the carburettor cover.
Unhook the throttle cable from the
carburettor.
Carefully remove the fuel hoses from
the carburettor. Use a screwdriver to
remove them from the connection
nipples.
Remove the carburettor.
3
17