Maintenance
Item
Spark plug(s)
NOTE:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
EMU28940
Greasing
Yamaha grease A (water resistant grease)
Yamaha grease D (corrosion resistant grease; for propeller shaft)
40VMHO, 40YMHO, 50HMHO
56
Actions
Cleaning / adjustment /
replacement
Initial
50 hours
10 hours
(3
(1 month)
months)
Every
100
200
hours (6
hours (1
months)
year)
ZMU03415