MAINTENANCE
eng 95
3. Set the spark plug gap to specification.
Spark Plug
Spark plug gap 1.0 mm (0.035 in.)
4. Before installing spark plugs, clean off any dirt on the spark
plug seats. Install plugs finger‑tight, and then tighten 1/4 turn
or torque to specifications.
Description
Nm lb. in. lb. ft.
Spark plug 27 20
Lubrication Points
It is important to inspect and maintain your outboard motor
regularly. Maintenance intervals should be determined according
to the number of hours or number of months, whichever comes
first. For periodic servicing and maintenance guidelines, please
contact your local Mercury dealer.
Item
Every 50 hours or
3 months
Every 100 hours or
6 months
Action
Sliding and
rotating parts
Yes Yes
Apply and pump
in grease
Grease
fittings
Yes Yes
Apply and pump
in grease
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