Spark Plug - SHERCO 50 SE Manual De Propietario

WARNING
Do not perform this check with the engine
hot.
n SPARK PLUG
Keeping the spark plug in good condition
helps to decrease fuel consumption and
helps optimize the engine performance.
For this check, simply remove the cap and
remove the spark plug using the provided
tool.
Thoroughly clean the electrodes using a wire
brush. Blow the spark plug off with com-
pressed air to avoid the possibility of any
residue penetrating the engine.
Check the spark plug gap.
The gap between the electrodes
must be between 0.5 ÷ 0.6 mm,
in case this does not correspond to this value
it is necessary to gently correct the spacing
of electrodes.
The color of the spark plug can appear:
- black indicates carburation mixture is too
"rich"
- hazelnut indicates correct carburation
- white color indicates that carburation is too
"lean"
Also check that the insulation is not cracked
and that the electrodes are not corroded. If
this is the case immediately replace the spark
plug.
Lubricate the threads of the spark plug and
with the (motor cold), screw it by hand until it
stops then tighten it with the provided tool.
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