TOHATSU BFT 250A Owner's Manual page 61

REGULAR SERVICE PERIOD (3) 
Perform at every indicated month or operating
hour interval, whichever comes first.
ITEM
Water separator
Fuel filter
Fuel filter
(High pressure type)
Thermostat and thermostat cover
Fuel line
Battery and cable connection
Bolts and nuts
Crankcase breather tube
Cooling water passages
Coolant leak
Water pump
Housing, Impeller
Emergency stop switch
Engine oil leak
Each operation part
Engine condition (5)
Power Trim/Tilt
Shift Cable
(2) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to the TOHATSU Service
Manual for service procedures.
(3) For professional commercial use, log hours of operation to determine proper maintenance intervals.
(4) When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.
(5) Upon starting, check for unusual engine sounds and cooling water flowing freely from the check hole.
(7) Check the fuel line for leaks, cracks, or damage. If it is leaking, cracked, or damaged, take it to your servicing dealer for replacement before using your 
outboard.
(8) Replace the fuel line if there are signs of leaks, cracks, or damage.
Each use
Check
Check o
Replace
Check
Replace
Check
Check o (7)
Replace
Check level-tightness o
Check-tightness
Check
Clean
Check
Check
Check
Check o
Check o
Check o
Check o
Check
Check-adjust
SERVICING YOUR OUTBOARD MOTOR
Every
First month
6 months
After use or
or
20 hrs.
100 hrs.
o
o
o (2)
Every 2 years (If necessary) (2) (8)
o (2) o (2)
o (4) o (4)
o
o (2)
o (2)
Every
Every year
2 years 6 years
or
or
200 hrs.
400 hrs. 1,200 hrs.
o
o (2)
o (2)
o (2)
o (2)
o (2)
Every
or
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