Spark Plug
u
Checking Spark Plug
50
Ma
intenance
5.
Check the spark plug gap using a wire-type
feeler gauge.
u
If adjustment is necessary, bend the side
electrode carefully.
6.
Make sure the plug washer is in good
condition.
7.
Install the spark plug. With the plug washer
attached, thread the spark plug in by hand
to prevent cross-threading.
8.
Tighten the spark plug:
●
If the old plug is good:
NGK: 1/8 turn after it seats.
●
If installing a new plug, tighten it twice to
prevent loosening:
a) First, tighten the plug:
NGK: 1/2 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
NGK: 1/8 turn after it seats.
9.
Install the parts in the reverse order of
removal.
u
When reinstalling the spark plug cap, take
care to avoid pinching any cables or wires.
The gap should be:
0.8 to 0.9 mm (0.03 to 0.04 in)
Spark plug gap
Side electrode
NOTICE
An improperly tightened spark plug can damage the
engine. If a plug is too loose, a piston may be damaged. If
a plug is too tight, the threads may be damaged.
18 GL150 (PH)-32KYAD200.book Page 50 Monday, September 11, 2017 5:38 PM
Содержание TMX SUPREMO Series
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