Yamaha F50 Owner's Manual page 74

Maintenance
Item
Fuel pump
Fuel/oil leakage
Fuel pipe
Fuel pipe
Gear oil
Greasing points
Impeller/water pump
housing
Impeller/water pump
housing
Power trim/tilt unit
Propeller/Propeller nut/
Cotter pin
Shift link/shift cable
Spark plug(s)
Spark plug caps/high
tention cordes
Pilot water
Throttle link/Throttle
cable/Throttle pick-up
timing
Thermostat
Timing belt
Valve clearance
Water inlet
Main switch/stop
switch/choke switch
68
Actions
Inspection or replace-
ment as necessary
Inspection
Inspection or replace-
ment as necessary
Replacement
Replacement
Greasing
Inspection or replace-
ment as necessary
Replacement
Inspection
Inspection or replace-
ment as necessary
Inspection, adjustment
or replacement as nec-
essary
Inspection, adjustment
or replacement as nec-
essary
Inspection or replace-
ment as necessary
Inspection
Inspection, adjustment
or replacement as nec-
essary
Inspection or replace-
ment as necessary
Inspection or replace-
ment as necessary
Inspection and adjust-
ment
Inspection
Inspection or replace-
ment as necessary
Initial
20 hours 100
(3 hours (1
months) years)
Every
300 500
hours (3 hours (5
years) years)