Husqvarna 241R Workshop Manual page 11

2
10
Electrical system
Still no spark?
Check other cables and connections.
Still no spark?
Check the air gap.
See "Dismantling" below.
502 51 34-02
Adjust the air gap.
Dismantling
Dismantle the air fi lter cowling, spark
plug, starter, cylinder cover and the guard
over the muffl er.
Unhook the throttle cable from the carbu-
rettor.
NOTE!
Do not lose the rubber bushings fi tted between the starter and the fuel tank.
Still no spark?
Check other cables and connections for
poor contacts (dirt, corrosion, cable brea-
kage and damaged insulation).
Make sure that the cables are correctly
drawn and lie in the cable grooves.
Do not forget to check the cables in the
throttle too.
See chapter 3 "Throttle".
TIP!
Use an Ohmmeter in order to easily check
if cable breakage has occurred, due to
pinching, for example.
Still no spark?
Check the air gap between the fl ywheel
magnet and the ignition module. The gap
should be 0.3 mm.
Use a 502 51 34-02 feeler gauge.
See "Dismantling" below.
Adjust the air gap as needed to the cor-
rect value.
• Loosen the bolts.
• Position the feeler gauge and press
the ignition module against the fl y-
wheel.
• Tighten the bolts and check the air gap
again.
If the spark plug still does not fi re, the
ignition system should be replaced.
Dismantling
The following components must be
dismantled for the ignition system to be
accessible.
The air fi lter cowling, spark plug, starter,
cylinder cover and the guard over the
muffl er.
Unhook the throttle cable from the carbu-
rettor.