Greasing; Cleaning And Adjusting Spark Plug - Yamaha 20D Owner's Manual

EMU28940

Greasing

Yamaha grease A (water resistant grease)
Yamaha grease D (corrosion resistant grease; for propeller shaft)
20D, 25N
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
Maintenance
ZMU03734
46