TOHATSU 2 Stroke 3.5B, Owner'S Manual

Page: 43 / 54

INSPECTION AND MAINTENANCE
43
ENOM00235-0
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 Sys-
tem
Carburetor
*1
  Strip clean, and adjust.
Fuel filter
   
Check and clean or Replace if
necessary.
Piping/Hoses
*2
   
Check and clean or Replace if
necessary.
Fuel tank
*2
    Clean.
Fuel tank cap
*2
   
Check and clean or Replace if
necessary.
Fuel pump
*3
   
Check and clean or Replace if
necessary.
Disassemble
and check
each 300
hours.
Ignition
Spark plug   
Check gaps.
Remove carbon deposits or
Replace if necessary. 0.8–0.9 mm
(0.031–0.035
in)
Ignition timing
*1
   Check timing.
Starting
System
Starter rope
*1
   
Check for wear or chafing.
Engine
Engine oil
Replace

Replace

Replace

Replace if necessary. (See page 44)
Valve Clear-
ance
*1
   Check & adjust.
IN:
0.06–0.14 mm
(0.0024–0.0055 in)
EX:
0.11–0.19 mm
(0.0043–0.0075 in)
Thermostat
*1
  Check and Replace if necessary.
Lower Unit
Propeller
   
Check for bent blades, damage,
wear.
Shear pin and
split pin
    Check or Replace if necessary.
Gear oil
Replace

Replace

Replace

Change or replenish-oil and check
for water leaks. 180 mL (6.1
fl.oz.)
Water pump
*1
   Check for wear or damage.
Replace impel-
ler every 12
months.
MFS2.5-3.5B_EN.book Page 43 Wednesday, December 5, 2012 10:36 AM