Haojue EG150 2019 Manuel D'utilisation page 34

(34) Haojue EG150 99011H11A81H000 V02 EN+FR 2019-4-24
Measure the spark plug gap with a thickness gauge. The
standard spark plug gap is 0.6–0.8mm. If the measured
spark plug gap is out of standard range, adjust or replace
it with a new one.
Whenever removing carbon deposits, be sure to observe
the operational color of the spark plug's porcelain tip. This
color tells you whether or not the standard spark plug is
suitable for your type usage. A normal operating spark
plug should be very light brown in color. If the spark plug is
very white or glazed in appearance, it has been operating
EN
much too hot. This spark plug should be replaced with a
colder plug.
Spark plug replacement guide
BCAUTION
An improper spark plug may have an incorrect fit or
heat range for your engine. This may cause severe
engine damage.
BCAUTION
Use one spark plug listed below or equivalent.
Consult your Haojue dealer or a qualified mechanic
if you are not sure which spark plug is correct for
your type of usage.
(34) Haojue EG150 99011H11A81H000 V02 EN+FR 2019-4-24
TORCH
If the standard spark plug is apt to get wet,
D7RC
replace with this plug.
D8RC Standard.
If the standard spark plug is apt to overheat,
D9RC
replace with this plug.
NOTE: This motorcycle uses a resistor-type spark plug
to avoid jamming electronic parts.
plug selection may cause electronic interference with
your motorcycle's ignition system, resulting in motorcycle
performance problems. Use only the recommended spark
plug.
Spark plug installation
BCAUTION
A cross-threaded or over-tightened spark plug will
damage the aluminum threads of the cylinder head.
When dismantling the spark plug, keep debris from
entering the engine via the spark plug hole.
Follow the procedure below to tighten the spark plug
properly.
Carefully turn the spark plug by hand into the threads until
it is finger tight. If the spark plug is new, tighten it with a
wrench about 1/2 turn past finger tight. If you are reusing
the old spark plug, tighten it with a wrench about 1/8 turn
past finger tight.
NOTE: Insert the plug cap completely.
32
Remarks
Improper spark