Periodic Inspection - TOHATSU MFS 4C Owner's Manual

ENOM00431-0

2. Periodic inspection

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.
Description
*1
Carburetor
Fuel filter
*2
Piping/Hoses
Fuel System
*2
Fuel tank
*2
Fuel tank cap
*1
Fuel pump
Spark plug
Ignition
*1
Ignition timing
Starting Sys-
Starter rope
tem
Engine oil
Engine
Valve Clearance
*1
Thermostat
Propeller
Gear oil
Lower Unit
*1
Water pump
*1
Warning System
Bolts and Nuts
Sliding and Rotating Parts.
Grease Nipples
Outer Equipment
Anode
*1: Have this handled by your dealer.
*2: In USA, you have to use EPA approved part (See pages 18–19).
Inspection intervals
First 20 Every 50 Every 100
hours of 1 hours of 3 hours of 6
month months months

  
  
 
  
  
 
 
  
Replace Replace
 
*1
 

  
Replace Replace

 
 
 
  
  
  
 
INSPECTION AND MAINTENANCE
Every 200
Inspection procedure
hours of 1
year
 Strip, Clean, and adjust.
Check and clean or Replace if neces-

sary.
Check and clean or Replace if neces-

sary.

Clean
Check and clean or Replace if neces-

sary.
Check and clean or Replace if neces-

sary.
Check gaps.

Remove carbon deposits or Replace if
necessary.

Check timing.
 Check for wear or chafing.
Replace
Replace if necessary.


Check & adjust.

Check and Replace if necessary.

Check for bent blades, damage, wear.
Change or replenish-oil and check for
Replace

water leaks.

Check for wear or damage.

Check function.

Retighten

Apply and pump in grease.

Check for corrosion.
 Check for corrosion and deformation.
47
Remarks
Entire cartridge
Disassemble and
check each 300
hours.
0.8–0.9 mm
(0.031–0.035 in)
IN:
0.06–0.14 mm
(0.0024–0.0055 in)
EX:
0.11–0.19 mm
(0.0043–0.0075 in)
195 mL (6.6 fl.oz)
Replace impeller
every 12 months.
Replace if neces-
sary.