Honda 99 Outboard Owners Manual

OPERATION 
MOORING, BEACHING, 
LAUNCHING 
71” (when mooring) 
To raise the outboard motor out of the 
water while the boat is moored, or for 
maximum clearance when beaching or 
launching, tilt the outboard motor to the 
7 I o position. 
Stop the engine before tilting the outboard 
motor. The 7 lo position is not an 
operating position. 
Raise and lower the outboard motor as 
described on p.48. 
49  

SERVICING YOUR HONDA OUTBOARD MOTOR 
THE IMPORTANCE OF 
MAINTENANCE 
Good maintenance is essential for safe, 
economical, and trouble-free operation. It 
will also help reduce air pollution. 
Improperly maintaining this outboard 
motor, or failure to correct a problem 
before operation, can cause a 
malfunction in which you could be 
seriously hurt or killed. 
Always follow the inspection and 
maintenance recommendations and 
schedules in this owner’s manual. 
To help you properly care for your 
outboard...

SERVICING YOUR HONDA OUTBOARD MOTOR 
MAINTENANCE SAFETY 
Some of the most important safety 
precautions follow. However, we cannot 
warn you of every conceivable hazard 
that can arise in performing maintenance. 
Only you can decide whether or not you 
should perform a given task. 
Failure to properly follow 
maintenance instructions and 
precautions can cause you to be 
seriously hurt or killed. 
Always follow the procedures and 
precautions in the owner’s manual. 
Safety Precautions 
. 
Make sure the...

SERVICING YOUR HONDA OUTBOARD MOTOR 
TOOL KIT AND EMERGENCY 
STARTER ROPE 
EMERGENCY STARTER ROPE 
The following tools are supplied with the 
outboard motor for simple maintenance 
procedures and emergency repairs. An 
emergency starter rope is also supplied. Keep 
these items on the boat, so they will always be 
available if you need them. 
OWNER’S MANUAL PLIERS 
II, X 12 mm WRENCH 
16.5 mm SOCKET 
OIL CHECK SCREWDRIVER WRENCH 
DRIVER 
SPARE CLIY 
TOOL BAG 
52  

SERVICING YOUR HONDA OUTBOARD MOTOR 
MAINTENANCE SCHEDULE 
Change 
Gear case oil Check level 
Change 
Check for water 
contamination 
l Engine oil filter Change 
Starter rope Check 
Carburetor linkage Check-Adjust 
l Idling speed Check-Adjust l Valve clearance Check-Adjust l Spark plugs Check-Adjust 
Replace 
Propeller (cotter pin) Check 
Lubrication Grease 
l Fuel tank and tank filter Clean 
l Emission-related items. 
Each use First month 
or 
20 hrs. Every 
6 months 
or 100 hrs. Every year Or 200 hrs....

SERVICING YOUR HONDA OUTBOARD MOTOR 
REGULAR SERVICE PERIOD (3) 
Perform at ever indicated month or 
operating hour interval, whichever 
comes first. 
ITEM 
l Fuel filter Change 
Thermostat Check 
l Fuel line Check 
Check (Replace if necessary) 
Bolts and Nuts Check-tightness 
l Crank case breather tube Check 
Anode 
Check 
l Emission-related items. 
Each USC 
0 
0 First month 
or 
20 hrs. 
0 
(2) 
Every 
6 months 
or 100 hrs. 
Every 2 years 
0(7-) 
Every year 
or 
200 hrs. 
0 0 (2) 
0 (2) 
(I) Lubricate...

SERVICING YOUR HONDA OUTBOARD MOTOR 
ENGINE COVER REMOVAL 
AND INSTALLATION 
ENGINECOVERLATCH 
The engine cover latch fastens the engine 
cover to the outboard motor. 
To remove the engine cover, unlatch the 
engine cover latch, then lift the engine 
cover off the outboard motor. 
To install the engine cover, place the 
cover on the outboard motor, then latch 
the engine cover latch securely. 
Engine Oil Level Check 
Check the engine oil level with the engine 
stopped and the outboard motor in the...

SERVICING YOUR HONDA OUTBOARD MOTOR 
Engine Oil Change 
An engine oil evacuation/filling device 
may be used to remove/add the engine oil. 
Drain the used oil while the engine is 
warm. Warm oil drains quickly and 
complctcly. 
I. Unlatch and remove the engine cover 
(P.55). 
2. 
3. 
ENGINE OIL DRAIN SCREW 
Remove the oil tiller cap, and remove 
the engine oil drain screw. 
Allow the used oil to drain 
completely, then reinstall the engine 
oil drain screw, and tighten it 
securely. Improper disposal of...

SERVICING YOUR HONDA OUTBOARD MOTOR 
Oil Filter Change 
1. Drain the engine oil, and reinstall the 
drain screw (see Engine Oil Change 
on p.56). 
2. Unscrew the six bolts and remove the 
R. engine under cover. 
3. Use a suitable tool to remove the oil 
filter, and throughly drain the 
filter into the used oil container. 
USEA SUITABLE TOOL 
OIL FILTER 
Clean the oil filter mounting base, 
and coat the gasket of the new oil 
filter with clean engine oil. 
Use only a genuine Honda oilfilter 
or a filter...

SERVICING YOUR HONDA OUTBOAR!D MOTOR - 
Engine Oil Recommendations 
Oil is a major factor affecting 
performance and service life. Use 
4-stroke automotive detergent oil. 
SAE Viscosity Grades 
I I I I I I 
-20 0 20 40 60 80 100 F 
AMBIENT TEMPERATURE 
SAE low-30 is recommended for general 
use. Other viscosities shown in the chart 
may be used when the average 
temperature in your area is within the 
recommended range. 
The SAE oil viscosity and service 
classification are in the API label on the 
oil...