TOHATSU MFS 40A, Owner'S Manual

Page: 65 / 358

INSPECTION AND MAINTENANCE
63
10
ENOM00090-0
It is important to inspect and maintain your outboard motor regularly. At each interval on
the chart below, be sure to perform the indicated servicing.
Maintenance intervals should be determined according to the number of hours or number
of months, whichever comes first.
2. Periodic Inspection
Description
Inspection intervals
Inspection procedure Remarks
First 20
hours of 1
month
Every 50
hours of 3
months
Every 100
hours of 6
months
Every 200
hours of 1
year
Fuel System
Fuel filter
z z
Check and clean or Replace if
necessary. (See page 67)
Piping/Hoses
z z
Check and clean or Replace if
necessary.
Fuel tank
z z
Clean (See page 67)
Fuel tank cap z z
Check and clean or Replace if
necessary.
Fuel pump
*1
z z
Check and clean or Replace if
necessary.
Ignition
Spark plug z z
Check gaps. Remove carbon deposits
or Replace if necessary. (See page 70) 0.8-0.9 mm
(0.031-0.035 in)
Ignition timing
*1
z z Check timing
Starting
System
Starter motor
*1
z
Check for salt deposits and the battery
cable condition.
Battery
z z
Check installation, fluid quantity, gravity.
Engine
Engine oil
Replace
z
Replace
z
Replace. (See page 59)
2200 ml
(2.3 US qt.)
Oil filter
*1
Replace
z
Replace
z
Replace every 200 hrs or 1 years (See
page 66)
Entire cartridge
Valve Clearance
*1
z z Check & adjust
IN:
0.15-0.25 mm
(0.0059-0.0098 in)
EX:
0.25-0.35 mm
(0.098-0.0138 in)
Timing belt
*1
z Check and Replace if necessary.
Thermostat
*1
z
Check and Replace if necessary.
Lower Unit
Propeller z z
Check for bent blades, damage, wear.
Replace if necessary. (Seepage 69)
Gear oil
Replace
z
z
Replace
z
Change or replenish-oil and check for
water leaks. (See page 68) 500 mL (16.9
fl.oz.)
Water pump
*1
z
Replace
z
Check for wear or damage and replace
if necessary Replace impeller
every 12 months.
Power trim & tilt
*1
z z Check & replenish oil, manually operate
Warning system
*1
z
Check function
Bolts and Nuts z z Retighten
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