SPARK PLUG
WARNING
The ignition system presents a serious
shock hazard. The primary circuit operates
in excess of 250 volts; the secondary circuit
operates in excess of 25,000 volts. Use cau-
tion to avoid injury from shock or injury
resulting from your reaction to shock. Do
not handle primary or secondary ignition
components while the engine is cranking or
running.
1
1.
Propeller shaft
Inspect spark plug periodically. Replace if elec-
trodes are badly worn, insulators are cracked, or if
they are badly fouled.
1
To remove spark plug, twist and remove all spark
plug lead. Unscrew spark plug from cylinder head.
To install spark plugs, wipe spark plug seats clean
with a clean rag. Install spark plugs finger tight, then
tighten to specified torque. Refer to Engine Speci-
fications.
IMPORTANT: Avoid engine damage by installing
spark plug into COOL cylinder head and not over-
tightening.
Before installing the spark plug lead, apply a light
coat of Triple-Guard grease to the ribbed portion of
the spark plug. This will help prevent corrosion be-
tween the spring terminal and the spark plug.
1.
Exhaust housing bushing
FUEL FILTER
Refer to Engine Maintenance and Inspection
Schedule for frequency.
An authorized Evinrude/Johnson Dealer should
service the fuel filter.
IMPORTANT: A restricted fuel delivery system will
not allow the engine fuel pump to deliver sufficient
fuel under all conditions. This can result in loss of
performance and possibly engine damage.
1.
Ribbed portion of the spark plug
30
- Maintenance
| Categories | BRP Brand Manuals, Johnson 2-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual. Marine Operator's Engine Guide. |
| Tags | Johnson 3.5 hp, Johnson R |
| Model Year | 2005 |
| Download File |
|
| Document File Type | |
| Publisher | johnson.com |
| Wikipedia's Page | Johnson Outboards |
| Copyright | Attribution Non-commercial |
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