Mercury 4 FourStroke User Manual

MAINTENANCE
76 eng
2. Remove the spark plug to inspect. Replace spark plug if
electrode is worn or the insulator is rough, cracked, broken,
blistered, or fouled.
26946
3. Set the spark plug gap to specification.
26947
Spark Plug
Spark plug gap 0.9 mm (0.035 in.)
4. Before installing spark plug, clean off any dirt on the spark
plug seat. Install plug finger‑tight, and then tighten 1/4 turn
or torque to specifications.
Description
Nm lb‑in. lb‑ft
Spark plug 27 20
Lubrication Points
1. Lubricate the following with Quicksilver or Mercury Precision
Lubricants 2‑4‑C with PTFE or Special Lubricant 101.
Tube
Ref No.
Description Where Used Part No.
95
2-4-C with
PTFE
Co-pilot, swivel bracket,
transom clamp screws, tiller
handle bushing, shift handle
detent
92-802859A 1

Mercury 4 FourStroke Specifications

General

Brand	Mercury
Model	4 FourStroke
Category	Engine
Language	English