
6.4 CARBURATION
GENERAL INFORMATION
The carburettor has a float with a fixed jet and a
“CHOKE” control.
The carburettor can malfunction in the following
ways:
•
difficult or failed start or insufficient power (if not
due to other causes):
= Carburettor dirty
[
•
engine runs irregularly (if not due to other caus-
es):
= Air has seeped into the carburettor
[
SERVICING PROCEDURES
WARNING! All operations on the tank and supply
system must be carried out in safe conditions,
so:
– do not smoke;
– always empty the tank if petrol is not strictly
necessary for the operation to be carried out;
– work in a ventilated environment away from
naked flames or unprotected sources of heat;
– collect petrol in a suitable container with a
cap using a funnel and avoid spilling it on the
work bench;
– remove all traces of spilt petrol immediately;
– check you have connected the pipes before
pouring petrol back into the tank.
A) Removing and cleaning the carburettor
1
Remove the conveyor with the tank.
2
Remove the air filter
3
Disconnect the two tie rods (1) and (2) and take
the carburettor (3) out of the intake manifold (4).
SV 150
6.4
.
0
CARBURATION
1 / 3
WORKSHOP MANUAL
page
from
2004
to
••••
01/2005
8
13
6
2
4
1
3
5
9
7