Greasing; Cleaning And Adjusting Spark Plug - Yamaha F4D Owner's Manual

NOTE:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
EMU28931

Greasing

Yamaha marine grease (Water resistant grease)
F4D
EMU28950

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.
Maintenance
ZMU02706
40