Westerbeke 6.5KW Technical Manual page 89

4 cylinder marine gasoline generator sets twg series
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Spark Plugs
Service spark plugs, clean gap or
replace as needed.
Spark plug gap:
0.8 + 0.05
mm
(0.031-+ 0.002
in)
Spark plug torque:
1.5 - 2.3
kg-m
(10.8 - 16.6
lb-ft)
Check plugs for damage and/or wear.
NOTE:
Loc-tite "Anti-Seize"
applied
to
thread will
retard
corrosion making future removal
easier.
High Tension Leads
Check
leads
for
clean and
secure
terminal ends.
Resistance value of
high tension lead wire is
410
ohms
per inch of wire.
NOTE:
When removing leads from
'-__ /
spar k plugs, be sur e to pull at
the plug cap, not at the high
tension lead.
Ignition Coil (Resistance Check)
Plug Gap
O.8j:O.05 mm
(O.031j:O.002 in)
1.
Resistance value of primary coils is
0.8 + 0.2
ohms.
RXI scale)
Damage and
Deterioration
Damage
(Ohmmeter
Checking Primary Coil
Checking Secondary Coil
2.
Resistance value of secondary coils is
80 + 10
ohms.
(Ohmmeter
RXlOOO scale)
83

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