Release 00 - 03/2018
Engine RS100 - RSC100
page 37
Service manual
11. IGNITION
11.1. Checking the efficiency of the ignition
system
1 - Dismount the spark plug (1) and look at the co-
lour on the end of the thread. This can give you a
good idea of the carburation:
- black: mixture too greasy due to clogged air
lter;
- nut brown: regular carburation.
Replace the spark plug (with one of the same or
equivalent characteristics) if the electrodes (2) are
burnt or if the porcelain is broken or cracked.
FIRE HAZARD:
- do not check the ignition system if the spark
plug is not screwed in place;
-
always use the specic tool for the
spark test.
2 -
Connect the tester (3) to the spark plug
cap (4) and to earth on the engine (5). Activate
the starter and see in the instrument if the spark
jumps.
3 - If the test has a positive result, clean the electro-
des (2) with compressed air and adjust the distance
to 0.6-0.8 mm. Remount the spark plug and tighten
it to the specied levels.
Unless otherwise required, proceed to verify system
components as indicated in section [
11.2].
0,6 - 0,8 mm
2
1
General information
The ignition system has a fan with an electronic coil which supplies high voltage to the spark plug.
See the relevant section [
16] for advice on resolving problems related to the ignition.
The coil and complete fan are accessible by removing the cowl.
Dismount the engine from the machine by following the instructions in section [ 15.1].
3
5
4
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