Periodic Inspection - TOHATSU M4C Owner's Manual

48
INSPECTION AND MAINTENANCE
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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
Fuel filter
Fuel System
Piping
Fuel tank
Ignition Spark plug
Starting Sys-
Starter rope
tem
Propeller
Gear oil
Lower Unit
Water pump *1
Bolts and Nuts
Sliding and Rotating Parts.
Grease Nipples
Outer Equipment
Anode
10
*1: Have this handled by your dealer.
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Note
Your outboard motor should receive careful, and complete inspection at 300 hours. This is the best
time for major maintenance procedures to be carried out.
Inspection intervals
10 hours 50 hours
or or
1 month 3 months
*1
Replace
Every 100
Inspection procedure
hours or
6 months
Strip, Clean, and adjust.
Check and clean or Replace if neces-
sary.
Check and clean or Replace if neces-
sary.
Clean
Check gaps.
Remove carbon deposits or Replace if
necessary.
Check for wear or chafing.
Check for bent blades, damage, wear.
Change or replenish-oil and check for
Replace
water leaks.
Check for wear or damage.
Retighten
Apply and pump in grease.
Check for corrosion.
Check for corrosion and deformation.
Remarks
Entire cartridge
0.9–1.0 mm
(0.035–0.039 in)
Replace impeller
every 12 months.
Replace if neces-
sary.