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p. 13

Owners Manual

•  Transfers steering torque harder to right (or 

less to the left).

•  Improves planing speed acceleration (by 

moving tilt pin one hole closer to transom).

INSTRUMENTS

While under way, instruments should be checked 

frequently for possible indications of trouble.

Tachometer (if fitted)

A tachometer is an electrical instrument that indicates 

engine Revolutions Per Minute (RPM). The tachometer 

is useful for monitoring engine speed to avoid 

exceeding the maximum RPM rating. In addition, 

it can be used to detect performance changes by 

comparing speedometer readings at various RPMs.

Temperature Gauge (if fitted)

The temperature gauge indicates engine coolant 

temperature by monitoring a signal from a sending 

unit installed in the engine water jacket. When the 

gauge reads in the danger area, shut off the engine 

and diagnose the problem.
A common cause of overheating is picking up a 

foreign object in the water intake. Usually, raising 

and lowering the outboard will free it. Backing up 

in reverse gear, then pulling ahead in forward gear 

for 2 - 3 (two to three) metres is helpful too.

Oil Pressure Gauge (if fitted)

The oil pressure gauge indicates engine lubricating 

oil pressure. Low oil pressure readings are generally 

caused by low oil quantity. In any case, 

immediately shut down the engine and diagnose 

the problem.

Fuel Gauge (if fitted)

The fuel gauge indicates fuel level. Since boats are 

exposed to rough water conditions and varying 

degrees of trim, fuel gauge readings are often 

inaccurate. It is always good to keep track of 

your running time as a double check against an 

inaccurate gauge.

Compass (if fitted)

Many factors affect the operation of your compass, 

such as local magnetic variation and deviation 

(induced needle deflection caused by metal 

components and the operation of electrical 

equipment aboard your boat). 
Each compass must be “swung’ (compensated) 

to adjust for individual boat characteristics, and 

for the particular compass installation. It is vitally 

important, therefore, that you have your compass 

professionally swung before using it for serious 

marine navigation. Contact your dealer for more 

details.

ELECTRICAL SYSTEM

Battery (if fitted)

The key to a good marine electrical system is the 

battery. On some models the condition of the 

battery can be read on the voltmetre when the 

ignition switch is in the ON position.
With the engine not running, voltmetre readings in 

the 11.5 to 12.5 volt range are considered normal. 

Readings in the 10 to 11.5 volt range indicate 

a marginal charge condition. Readings 

below 10 volts indicate a seriously 
discharged condition.

Excessive trim out also may reduce the 

stability of some high speed hulls. To 

correct instability at high speed, reduce 

the power GRADUALLY and trim the motor 

slightly before resuming high speed 

operation. Rapid reduction in power will 

cause a sudden change of steering torque 

and may cause additional momentary 

instability.

ATTENTION

!

TRIMMING THE ENGINE 

INCORRECT 

Trim causes Boat To ‘plow’

CORRECT

 

Trim Gives maximum performance

INCORRECT

 

Trim causes Boat To ‘porpoise’

Summary of Contents for 4.85 Haven

Page 1: ...p 1 Owners Manual www seajayboats com au Owners Manual...

Page 2: ...within safe boating practices What a better way to relax by GETTING AMONGST IT in a quality Sea Jay Aluminium Boat you can rely on and trust WARRANTY USAGE INFORMATION You should have received Warran...

Page 3: ...Ventilation 10 Boat Running Attitude 11 Steering Wheel Pressure 11 PERFORMANCE 12 Passenger and Gear Loading 12 Trim Adjustments 12 Instruments 13 Electrical System 13 GENERAL MAINTENANCE 14 Your Eng...

Page 4: ...kout Serious accidents have resulted from failure in this respect Always instruct at least one person on board in the fundamentals of boat handling should you become disabled or fall overboard Conside...

Page 5: ...you clearly understand how to use everything particularly life jackets If you plan to carry children on board check the life jackets are suitable for their size and weight You may need to exchange ja...

Page 6: ...y not give a true indication of the amount of fuel remaining in the tank when the gauge reads empty The first time the tank is filled have someone fill the tank slowly while watching the fuel gauge As...

Page 7: ...rate your boat until they are corrected Before you leave perform the following steps Check the operation of equipment such as bilge pumps running lights radios etc Check the steering Turn the steering...

Page 8: ...the boat into the dock If there are high winds or strong currents it is best to approach from the lee side against the wind and current With a mild current and little or no wind it is best to approac...

Page 9: ...et and legs clear of the line Turn the line around the bow cleat and tie a hitch To raise the anchor inch forward under power as you take in line When the line is vertical raise the anchor If it s not...

Page 10: ...EPLACE DAMAGED PROPELLERS Propellers should be free from major nicks excessive pitting and any distortions that alter the original design Operating your boat with a damaged propeller may cause the fol...

Page 11: ...trim tab located under the aft end of the anti ventilation plate can be adjusted by your dealer The trailing edge of the trim tab should be turned in the direction the boat is pulling Small adjustment...

Page 12: ...Boat Running Attitude or to suit the prevailing conditions Passengers and equipment should be distributed in the boat so it is evenly balanced both front to back and side to side TRIM ADJUSTMENTS When...

Page 13: ...s and varying degrees of trim fuel gauge readings are often inaccurate It is always good to keep track of your running time as a double check against an inaccurate gauge Compass if fitted Many factors...

Page 14: ...he hose on then when water is coming through the tell tail start the engine and run it for a few minutes This will flush away residual salt and keep the motor in good shape A common cause of outboard...

Page 15: ...ufacturer s instructions Brush the solution into the affected area leave for 10 to 15 minutes and rinse with plenty of fresh water If possible the vinyl top parts of your boat should be stored indoors...

Page 16: ...long periods It is already highly resistant to corrosion and will not deteriorate if simple precautions are taken Always wash the boat off with fresh water after removing it from the water This allev...

Page 17: ...supplied with your boat Check the boat regularly for damage from oxidisation flying stones bait knives anchors and chains etc SPECIAL CARE FOR MOORED BOATS If permanently moored in salt or fresh water...

Page 18: ...yearly for any evidence of loose u bolts bolts and corrosion or breakage of the leaf springs Painted and galvanised suspension components should be sprayed regularly with products such as lanolin bas...

Page 19: ...justed up firm against the hull of the boat If your boat doesn t come up straight after trailer adjustment and all skid pads and roller measurements are correct then check that the boat sits horizonta...

Page 20: ...another Gunwale Upper edge of the hull Hatchway hatch A covered opening in a boat s deck through which cargo can be loaded or access made to a lower deck the cover to the opening is called a hatch He...

Page 21: ...age caused by 4 1 1 Operating outside design limitations 4 1 2 Misuse abuse or negligence 4 1 3 Normal Wear and Tear 4 1 4 Use of a motor which has more power or weight than is recommended on the comp...

Page 22: ...ny kind arising out of the supply or operation of the Boat 4 Exclusions 4 1 The warranty will not cover any defect or damage caused by 4 1 1 Operating outside design limitations 4 1 2 Misuse abuse or...

Page 23: ...p 23 Owners Manual...

Page 24: ...p 24 Owners Manual 2 Maddison Court Bundaberg Qld 4670 Ph 07 4152 2111 Fax 07 4153 5075 Web www seajayboats com au For more information contact your authorised Sea Jay Boats dealer...

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