Greasing; Cleaning And Adjusting Spark Plug - Yamaha 150 Owner's Manual

EMU28931

Greasing

Yamaha marine grease (Water resistant grease)
150
EMU28952

Cleaning and adjusting spark plug

EWM00560
WARNING
When removing or installing a spark plug,
be careful not to damage the insulator. A
damaged insulator could allow external
sparks, which could lead to explosion or
fire.
The spark plug is an important engine com-
ponent and is easy to inspect. The condition
of the spark plug can indicate something
about the condition of the engine. For exam-
Maintenance
ZMU03912
48