Periodic Inspection - TOHATSU MFS 4C Owner's Manual

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
Carburetor *1
Fuel Filter
Fuel
System
Piping/Hoses *2
Fuel Tank *1, *2
Fuel Tank Cap *2
Spark Plug
Ignition
Ignition Timing *1
Starting
Starter Rope
System
Engine Oil
Engine Valve Clearance
Thermostat *1
Propeller
Lower
Gear Oil
Unit
Water Pump *1
Bolts and Nuts
Sliding and Rotating Parts.
Grease Nipples
Outer Equipment
Anode
*1 Have this handled by your dealer.
*2 I n USA, you have to use EPA approved part. (See P16).
Inspection intervals
First 20 Every 50 Every 100
hours or hours or hours or
1 month 3 months 6 months
○
○ ○ ○
○ ○ ○
○ ○ ○
○ ○ ○
○ ○
○ ○
○ ○ ○
○ ○
○ ○
○
○ ○ ○
Replace Replace
○
○ ○
○ ○
○ ○ ○
○ ○ ○
○ ○ ○
○ ○
INSPECTION AND MAINTENANCE
Inspection procedure
Strip, Clean, and adjust.
Check and clean or Replace if
necessary.
Check and Replace if necessary.
Check and Replace if necessary.
Check and Replace if necessary.
Check gaps.
Remove carbon deposits or
Replace if necessary.
Check timing.
Check for wear or chafing.
Replace if necessary.
Check & adjust
Check and Replace if necessary.
Check for bent blades, damage,
wear.
Change or replenish-oil and
check for water leaks.
Check for wear or damage.
Retighten
Apply and pump in grease.
Check for corrosion.
Check for corrosion and
defomation.
43
Remarks
0.8-0.9mm
(0.031-0.035in)
10
195mL
Replace impeller
every 12 months.
Replace if
necessary.