6 - M
AINTENANCE
40
90-8M0114811 JANUARY 2016
Interval
Task
Battery ‑ Check water level and
inspect for damage
After each use
Flush the cooling system if used in
salty, brackish, or mineral‑laden
water
Seawater strainer ‑ Check for debris
and clean
Every 25 hours or 90 days of
operation
Seawater pickups ‑ Check for
marine growth or debris
Engine oil and filter ‑ Change
Anodes ‑ Inspect and replace if
50% eroded
Initial valve lash adjustment
Every 50 hours of operation or
once a year, whichever occurs first
Perform 25 hour maintenance items
Inspect condition and tension of all
drive belts
Inspect cooling system hoses and
clamps
Inspect exhaust system condition
and tighten clamps
Inspect electrical system for loose
or damaged wires
Every 75 hours of operation
Inspect and adjust valve lash
Clean high‑pressure fuel filter
Replace water separating filter
Transmission oil change
Every 100 hours of operation or
once yearly, whichever occurs first
Perform 25 and 50 hour
maintenance items
Interval
Task
Seawater pickup pump ‑
Disassemble and inspect
Engine alignment ‑ Check
Every 150 hours of operation
Replace accessory and oil drive
belts
Closed cooling system
Replace extended life coolant every
four years and conventional coolant
every two years
D
RY
S
UMP
M8 D
RIVE
, T
RANSOM
, T
RIM
,
AND
S
TEERING
S
YSTEMS
M
AINTENANCE
S
CHEDULE
Interval
Task
Check prior to use and every 3
hours of operation
Drive, transom, and propeller ‑
Inspect
Lower gear housing oil ‑ Check
level
Power trim pump oil ‑ Check level
and inspect for any water
contamination. Replace fluid if
necessary.
Weekly
Anodes ‑ Inspect for erosion
Initial break‑in at 25 hours
Lower gear housing oil filter and
oil ‑ Change the oil and filter