Supply problems
The tank cap has a clogged
breather pipe
Fuel filter clogged
Starting problems
Insufficient or no current to the
spark plug
Lawnmower problems
The throttle cable is not well
adjusted
Carburation problems
Carburettor dirty
The governor malfunctions or
there is a problem with the
rods
The clogged breather pipe in the tank stops the
regular flow of fuel into the carburettor float
chamber. When the fuel has run out in the float
chamber, the engine stops. After a few minutes,
the float chamber fills up and the engine is able
to restart, only to stop soon after.
Inside the tank, the filter has a metal mesh which
can clog up with dirt or with a film of old fuel
Poor connections of the electrical cables or mal-
functioning parts can cause the lawnmower to
function irregularly.
The throttle’s “FAST” position may not corre-
spond with the carburettor’s “FAST” position,
reducing the flow of mixture and hence the
power.
If the jet and pipes inside the carburettor clog
up, the petrol supply drops and the engine
becomes less efficient.
The governor lever transfers the movement of
the internal counterweight device to the carbu-
rettor control rods; if the lever is not properly in
phase with the pin it will not operate on the rods
correctly.
The governor rods are bent, deformed or do not
move freely, preventing the governor from reach-
ing its end-of-stroke.
Clean and/or replace
the cap [
6.1.C]
Empty and clean the
tank [
6.1.B]
Check the spark plug
and the efficiency of
the ignition system
with the spark test
[
6.6.A]
Check and/or adjust
the throttle cable
[
6.5.A]
Check and clean the
carburettor [
6.4.A]
Check the entire gov-
ernor system [
6.5
]
5.1.1
TROUBLESHOOTING
4 / 7
SERVICE MANUAL
page
from
2007 to ••••
E) The engine is inefficient (insufficient power)
Probable cause Comment Solution
4/2007© by GLOBAL GARDEN PRODUCTS
SV200 R200
D) The engine starts but does not run
Probable cause Comment Solution
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