Yamaha VF90 Owner's Manual page 74

Maintenance
Item
Fuel filter (can be
disassembled)
Fuel line (High
pressure)
Fuel line (High
pressure)
Fuel line (Low
pressure)
Fuel line (Low
pressure)
Fuel pump
Fuel/engine oil
leakage
Gear oil
Greasing points
Clamp bracket bolt
(through tube)
Impeller/water
pump housing
Impeller/water
pump housing
Power trim and tilt
unit
Propeller/propeller
nut/cotter pin
PCV (Pressure
Control Valve)
Shift link/shift ca-
ble
Spark plug(s)
68
Actions
Inspection or re-
placement as nec-
essary
Inspection
Inspection or re-
placement as nec-
essary
Inspection
Inspection or re-
placement as nec-
essary
Inspection or re-
placement as nec-
essary
Inspection
Replacement
Greasing
Inspection and
greasing
Inspection or re-
placement as nec-
essary
Replacement
Inspection
Inspection or re-
placement as nec-
essary
Inspection or re-
placement as nec-
essary
Inspection, adjust-
ment or replace-
ment as necessary
Inspection or re-
placement as nec-
essary
Initial
20 hours
100 hours
(3
(1 year)
months)
Every
300 hours 500 hours
(3 years) (5 years)
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