mariner 20 25 hp manual 11046910[1]

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20 25 HP MODELS

n3

READ THIS MANUAL THOROUGHLYIf you don't understand any portion, contact your dealer for a demonstration of actual starting and operating procedures.NOTICE Throughout this publication, and on your outboard, DANGER, WARNINGS and CAUTIONS, accompanied by the international HAZARD Symbol A , may be used to alert the installer/user to special instructions concerning a particular service or operation that may be hazardous if performed incorrectly or carelessly. OBSERVE THEM CAREFULLY. These "Safety Alerts" alone cannot eliminate the hazards that they signal. Strict compliance to these special instructions w h i l e performing the service, plus "common sense" operation, are major accident prevention measures. and Maintenance Manual and thorough1 understand the operational instructions fa the outboard and all related accessorie before the boat is used.

The following advantages and disad vantages o f an EMERGENCY STOF SWITCH (lanyard type) should be con sidered before electing t o use, or n o t t c use, such a switch. ADVANTAGES:Thepurposeof an EMER GENCY STOP SWITCH is t o stop thc engine when the operator leaves hi: control station, either accidentally b) falling into the boat, or by falling 01 being ejected overboard. This is mosl likely i n certain types of boats such as l o w sided bass boats, high performance boats and light sensitive handling, fishing boats operated by hand-tiller. I t is also likely as a result of poor operating practices such as sitting on the back of the seat at planing speeds. standing at planing speeds, operating at high speeds i n shallow or obstacle infested waters. drinking and driving, or daring, high speed boat maneuvers. DISADVANTAGES: Inadvertent activation of the switch is also a possibility. This could causeany or all of the following potentially hazardous situations: Loss of balance and f alling forward of unstable boat passengers - a particular concern i n b o w rider type boats. Loss of power and directional control i n heavy seas, strong current or high winds.

DANGER DANGER - Immediate hazards which WILL result i n severe personal injury or death.

A

WARNING WARNING - Hazards or unsafe practices which COULD result i n severe personal injury or death.

CAUTION CAUTION - Hazardsor unsafe practices which could result i n minor personal injury or product or property damage. IMPORTANT - Indicates information or instructions that are necessary for proper operation and/or maintenance.

A

The operator (driver) is responsible for the correct and safe operation of the boat, the equipment aboard and the safety of all occupants aboard. We strongly recommend that the operator read this Operation

* Loss of control when docking.

As we cannot possibly know of and advise the boating public of ALL conceivable boat/motor types and/or poor operating practices, the final decision of whether t o use an EMERGENCY STOP SWITCH rests w i t h you, the owner/driver.

TABLE OF CONTENTSIt is difficult tor a person standing or floating in the water to move clear if they see a powerboat heading toward them, even at slow speed. Shift the unit to neutral and shut off engine when your boat is near people in the water. SERIOUS INJURY IS LIKELY IF A PERSON IN THE WATER IS STRUCK BY A MOVING BOAT, GEAR HOUSING, PROPELLER, OR ACCESSORY RIGIDLY ATTACHED TO YOUR BOAT OR OUTBOARD. WARNING The use of accessories not manufactured or sold by Mercury Marine is not recommended for use with your outboard. If your outboard or outboard operating system is equipped with an accessory not manufactured by Mercury Marine, be sure to read the Operation and MaintenanceManual for that accessory before operation. If you haven't been supplied with such a manual, contact your dealer or the manufacturer of the accessory to secure the applicable manual. WARNING USE CARE when transporting fuel container, whether in a boat orcar. DO NOTfill fuel container to maximum capacity. Gasoline will expand considerably as it warms up and can build up pressure in the fuel container. This can cause fuel leakage and a potential iire hazard.S p e c i f ~ c a t ~ o n. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .s Motorlnstallat~on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Propellers . . . . . . . . . . . . . . . . Condit~oris Affect~rig C)pt:rat~ori.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Recomrnendat~uns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Motorcontrols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operat~on Models with Tiller t i a ! ~ c l l a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shalic~w Water Troll - T~ller Handle Models Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Qu~cksilver ~ d e S Mount Rerriote Control Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . O p e r a t ~ o n Manual Start Models wlth R e n ~ o t e Control . . . . . . . . . . . . . . . . . . . . . . . . . . . O p e r a t ~ o n Electric Start Models wlth Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . Emergency Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cowl Removal and Installation.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lubrication Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear Housing L u b r ~ c a t i o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . n lnspect~on and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flushing Motor Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lgnltlon Ma~ntenanr.~? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning Fuel F l l t r r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Rese~ve 6 Gallon Polyetliylenc: Tank CJnIy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (6 Carburetor Adjirstnionts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trailerlng Boat/Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

s711 12 1%

We strongly recommend that other occupants be instructed on proper starting and operating procedures should they be required to operate the outboard and boat in an emergency.

1517 19

2121 23 27 27

WARNING A SECURITY LlNE that is long enough to allow the outboard t o disengage from the transom but too short t o permit the outboardto submergeand stoprunningcould cause the outboard t o rebound into the the boat and ~ n j u r e occupants. An effective SECURITY LlNE should be of a working strength approximately five (5)times the weight of theoutboard motor. The SECURITY LlNE should be SHORTenough and affixed in a manner to prevent the outboard from rising up and disengaging from the transom OR The SECURITY LINE should be LONG enough and affixed i n a manner to permit the outboard to submerge behind the boat and thus stop running.@

2529 31 31 32 33 33 35

30

*

The descript~on and specifications contained h c r e ~ n were In effect at the t ~ r n e this gurdc was approved for prlnting Mercury M a r ~ n ewhose p o l ~ c y one of contlriuous Improve, IS ment. reserves the right to dlscont~nuemodels at any tlme, to change s p e c ~ f ~ c a t l o n s designs, methods or procedures w ~ t h o u notice and w ~ t h o i i Incurring o b l ~ y a t i o n t t Mercury M a r ~ n eFond d u Lac, W~sconsinLI S A , Lltho i n U 5 . A

' 1 Y Y O Brunc,w~i Lorporat~on k The following are registered tradeniarks o brunsw~ckCorporat~onAutol blend Jet-Prop Marlner Merc MerCathode MerCrufser Mercury Mercury Marme Qu~cks~lver R~de-Gu~de Thruster and

OUTBOARD SERIAL NUMBER LOCATIONSerial Number Plate q

LSerial Number

SPECIFICATIONS

Stroke

-

2.36 (60mm)NGK BUHW or AC-V40FFM or

..

Recommended Spark Plug

m v a n c e Recommended Gasoline

1

~

-

- -

I

II I

Gasoline/Oil Ratio Fuel Tank Capacity: - U.S. Gallons - Imperial Gallons - Liters Battery Rating Electric Start Models

Champion L76V [Use Champ~on OL78V Where Radio Frequency Interference (RFI) Suppression is Reauiredl . . 25" BTDC @ WOT -, Automotive Leaded or Unleaded (Lead Free) Gasoline Quicksilver 2-Cycle Outboard Oil 50:1 (Including Break-In)

-j

I I

25 -Minimum Reserve Capacity Rating of 35 Minutes and Cold Crank~ng Amperage of 180 Amperes 3 Blade Aluminum (10-318'' Dia. x 13" P ~ t c h )

i 11

i

Gear Ratlo Transom H e ~ g h t

.

I

m

5

" (38cm) Long Shaft = 20" (51cm)

i

5

-. -

'Measured at the propshaft i n accordance with ICOMIA 28. IMPORTANT: Fasteners (screws and nuts) used i n t h e manufacture o f your outboard motor are METRIC. ( A f e w exceptions are: propeller shaft n u t and spark plugs, w h i c h are 13/16" , and tilt tube nuts, w h i c h are 1-1 /4".) Electric Start w i t h Tiller Handle S h o w n Top Cow