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WARNING

Misuse of a tower can cause serious injury or even death.  The tower is 
designed to tow one individual or towable at a time.  Do not sit or climb 

on the tower.  Never sit behind the pulling point of the tower, and avoid 

contact with the rope.  The tower may strike low objects.  Be sure to 

check clearance heights during operation and towing.

WARNING

Loose fittings may result in tower collapse.  Check tightness of tower 

bolts and knobs before each use.

Board Rack

Board racks allow for a safe and secure way to carry wakeboards, skis, and surf 
boards, and keeping them from underfoot on the deck.  When using a board rack be 
sure that all fittings are securely clamped before each use.  Be sure that all equip-
ment is securely fastened down before starting the engine.  Never transport a boat 
with equipment in the board rack.  Both factory and aftermarket board racks are avail-
able, see your authorized Gekko dealer for options and types.

Swim Platform

The swim platform allows easy access to and from the water for water sports and 
swimming.  The seadeck padding makes for a gripped non-slippery comfortable sur-
face. 

i  

DANGER

Do not enter or exit the water when the engine is running.  Propeller(s) 

may cause serious injury or death.  Turn off the engine when near per-

sons in the water, prior to using swim platforms.

Rear Tow Eye

The rear tow eye can be used for tying up or for pulling and towing purposes.  It also 
doubles as a handle for swimmers to pull up on to the swim platform.

WARNING

To avoid serious injury or death the tow eye should be used only for tow-

able water sports devices.  The tow eye weight limit is 800 pounds.  Do 

not use the tow eye for towing other objects or boats.  Do not use the 

tow eye to lift or hoist the boat.

Motor box

The motor box encloses the inboard engine and quiets engine noise.  In the GT se-
ries boats the motor box is in the center of the boat, where in the Revo series boats 
the motor box is located in the back center of the boat under the sun deck.  To open 
the motor box in a GT series boat, stand on either side of the motor box and grasp 
the handle and pull up at approximately a 45 degree angle.  In the REVO series 
there are loops on either side of the motor compartment, grasp a loop on either side 
and pull up at approximately a 45 degree angle.  if the engine requires maintenance, 
open the box until it rests open.

WARNING

Pulleys and belts can cause severe injury! Never open the motor box 

while the engine is running or while the boat is underway!

WARNING

After running, the engine is extremely hot and should not be touched or 

repaired until it has cooled.

Summary of Contents for GTS 20 2015

Page 1: ...Owner s Manual 2015...

Page 2: ...If you have any questions or concerns after reading this manual contact your dealer The latest product information available at the time of publication provided the basis for all data pictures informa...

Page 3: ...4 Boating Regulations 23 26 Boating Regulations 24 Boater Responsibility 24 Law Enforcement 24 Registration Numbering and Documentation 24 Insurance 24 Giving Assistance 24 Reporting Accidents 25 Tabl...

Page 4: ...s 39 Gauges and Instruments 39 Speed Control System 40 Fuel Level Voltage Engine Temp Oil Pressure Multi Gauge 40 Tachometer 41 Speedometer 41 Speedometer Paddle Wheel 41 Control Switches 42 Ignition...

Page 5: ...9 Upholstery 59 Recommended Cleaning Products 60 Non Recommended Cleaning Products 60 Quarterly Maintenance Every 50 Hours 60 Annual Maintenance Every 100 Hours 60 Inspect the Fuel System and Replace...

Page 6: ...Attach the Trailer 72 Trailer Lights 73 Wheels 73 Tires 73 Trailer Brakes 74 Trailer Jack 74 Trailering Guidelines 74 Backing Up 75 Launching 75 Ch 12 Warranty 77 80 Limited Lifetime Warranty 78 What...

Page 7: ...1 Safety...

Page 8: ...urther you must be confident that your deci sion to use any equipment parts or tools perform procedures practices or methods that are not specifically recommended by Gekko Boats will not damage your b...

Page 9: ...ual a general list of safety guidelines and recommendations is listed below On boat equipment must always conform to the governing federal state and local regulations Before each outing check all safe...

Page 10: ...y if YOU and everyone on board uses common sense before during and after boating activity Operator s Responsibilities Always ensure that the boat is in top operating condition and there are no hazards...

Page 11: ...T ENSURE THAT WEIGHT IS PROPERLY AND EVENLY DISTRIBUTED fore and aft and on both sides of the boat to avoid poor handling sudden loss of control swamping and or capsizing USCG APPROVED LIFE JACKETS SH...

Page 12: ...ated eyes headache nau sea dizziness and drowsiness Carbon Monoxide poisoning should not be confused with seasickness intoxication or heat stress If a passenger is experiencing irritated eyes headache...

Page 13: ...important Weight should be evenly distrib uted throughout the boat Too much weight in one area can greatly impact the opera tors ability to maintain control of the boat Anytime weight is shifted or a...

Page 14: ...or meteor type One orange distress flag or one electric distress light OR three floating or handheld orange smoke signals and one electric distress light OR three day and night combination red flares...

Page 15: ...e labelled with the weight range for that particular style and size Fire Extinguisher All Class I II and III boats are required to carry a USCG approved fire extinguisher For marine use in boats all f...

Page 16: ...suitable for all situations or conditions Check with the local authorities regarding the best visual distress sig nal for use in the area in which you will be boating Audible Distress Signals All ves...

Page 17: ...e fire is located in the engine compartment make sure the bilge blower is off and do not open the engine cover Once the fire has been extinguished check for other immediate fire threats and per sonal...

Page 18: ...rsons or equipment engaged in a water sport iDANGER It is unlawful to participate in water sports while under the influence of alcohol or other drugs If you are new to water sports seek certified trai...

Page 19: ...on any Gekko product Be aware that the use of pylon extensions could create excessive stress on your boat and subjectively cause damages not covered by the warranty Towers are designed to pull a singl...

Page 20: ...d on to the transom of a boat while in the water when the boat is running or under way It is against the law to be on or holding on to the swim platform ladder or any portion of the exterior of the tr...

Page 21: ...Hazardous Boating Conditions 2...

Page 22: ...conditions If you encounter fog conditions take the following precautions Be sure that all passengers are wearing PFDs Navigate towards shore Reduce speed to a slow speed or idle Assign other passeng...

Page 23: ...ften times sandbars can be spotted by waves forming into breakers as they pass over the sandbar Check with local boating authorities and marinas for tide tables and current charts if you are boating i...

Page 24: ...3 Emergencies...

Page 25: ...che nausea weakness dizziness or drowsiness are all signs of carbon monoxide poisoning If you suspect carbon monoxide poison ing move the person to fresh air investigate the cause and take corrective...

Page 26: ...tact the USCG for assistance Cell phones should only be used as a secondary means of communication The number to call within the United States is 911 For additional information on the use of distress...

Page 27: ...ore information Engine or Boat System Failure In the event of an engine or boat system failure and when not in immediate danger try to troubleshoot or identify the problem before calling for assistanc...

Page 28: ...lengths between the boats for adequate movement Never allow anyone to be in line with the tow line If the line should break or pull free dangerous recoil could occur resulting in severe injury or dea...

Page 29: ...4 Boating Regulations...

Page 30: ...and Documentation It is required by law that all vessels equipped with propulsion machinery must be reg istered in the state in which they are principally used A certificate number will be is sued at...

Page 31: ...ave imposed specific speed and noise regula tions As a boat owner operator it is your responsibility to maintain your boat under control at a safe speed as well as limit the amount of noise it makes S...

Page 32: ...he information in this manual is not all inclusive There are many factors to consider and additional training and information that is necessary to research and participate in before undertaking any bo...

Page 33: ...5 Navigational Rules...

Page 34: ...ec tions briefly and pass behind the other vessel The give way operator should always move in such a way that the stand on operator can see which direction they are mov ing in The General Prudential R...

Page 35: ...with one short horn blast in response Crossing Overtaking When passing another vessel you are the give way vessel This means that the other vessel is expected to maintain its course and speed As the...

Page 36: ...sailing vessel is overtaking the power driven vessel the power driven vessel has the right of way Sailing vessels should keep clear of any fishing vessel In a narrow channel a sailing vessel should n...

Page 37: ...right side buoys are nun or triangular shaped markers and are even numbered Daymarks are fixed visual markers in the water Daymarks are either red or green and are usually triangular or square shaped...

Page 38: ...6 Model Guide...

Page 39: ...33 Length of Boat 20 2 Beam 83 Draft 19 Boat Weight 1950 lbs Fuel Capacity 28 gallons Standard Engine 330 CAT Engine Options 350 CAT 410 CAT 450 CAT Maximum Capacity 6 people or 900 lbs GTS 20...

Page 40: ...34 Length of Boat 21 7 Beam 96 Draft 19 Boat Weight 2250 lbs Fuel Capacity 28 gallons Standard Engine 330 CAT Engine Options 350 CAT 410 CAT 450 CAT Maximum Capacity 8 people or 1200 lbs GTR 22...

Page 41: ...35 Length of Boat 22 2 Beam 102 Draft 19 Boat Weight 3350 lbs Fuel Capacity 35 gallons Standard Engine 330 CAT Engine Options 350 CAT 410 CAT 450 CAT Maximum Capacity 13 people or 1950 lbs REVO 6 7...

Page 42: ...36 Length of Boat 23 3 Beam 102 Draft 19 Boat Weight 3600 lbs Fuel Capacity 37 gallons Standard Engine 330 CAT Engine Options 350 CAT 410 CAT 450 CAT Maximum Capacity 14 people or 2100 lbs REVO 7 1...

Page 43: ...7 Boat Features Options...

Page 44: ...e desired position release the tilt mechanism and the wheel will lock into place Propeller The research and design team at Gekko has carefully explored and tested many dif ferent propellers and pitch...

Page 45: ...pt to shift gears without the engine running Shifting while the engine is off causes extra wear on the shifting gears To ensure the longevity of your shift throttle controls always pause in neutral be...

Page 46: ...how to operate your cruise control Additionally your boat may be equipped with an optional speed control system such as Zero off also used to set a constant boat speed for wakeboarding water skiing o...

Page 47: ...re inch psi The oil pres sure will vary depending on the RPM of the engine See Engine Operator s Manual for more information on proper oil pressure readings Tachometer The tachometer indicates the rev...

Page 48: ...e the bilge pump The bilge pump is used to pump out any excess water in the bilge area caused by heavy seas long periods of rain or leaks The bilge area is the lowest point of the hull where the water...

Page 49: ...water will spurt from a deck mounted vent There is a deck vent for port starboard and center tanks if equipped The pump will continue to operate until the switched is turned to the OFF position and s...

Page 50: ...rtion of the boat on the sun deck The pylon is to be used to pull a single individual or to tie up do not use the pylon to hoist the boat See the safety decal on the pylon for recom mended use Do not...

Page 51: ...ause serious injury or death Turn off the engine when near per sons in the water prior to using swim platforms Rear Tow Eye The rear tow eye can be used for tying up or for pulling and towing purposes...

Page 52: ...ep the fuel system clean to ensure the best operation of your boat Gasoline stabilizer should be added to the fuel tank when the boat is used infrequently periods longer than two weeks or more Gasolin...

Page 53: ...ies con nected to the charging system when the engines are running Battery isolators prevent accessory loads and other batteries from depleting power from the charged batteries Isolators also allow th...

Page 54: ...8 Operation...

Page 55: ...in your tank It is important to keep the fuel system clean to ensure the best operation of your boat Gasoline stabilizer should be added to the fuel tank when the boat is used infrequently periods lon...

Page 56: ...engine transmission fluid levels frequently During the first 50 to 100 hours an engine can use more oil than usual Maintain oil at proper levels at all times but do not overfill Vary your boat speed d...

Page 57: ...othing and to the switch All Gekko models have a removable ignition key The purpose of the removable key is for safety and security The key should be inserted prior to use and removed at the conclusio...

Page 58: ...ard thrust may be required with the rudder turned hard starboard to get the stern moving to port and then shift into reverse to turn to port You should be prepared for wind and current when steering y...

Page 59: ...r lines come in various types shapes sizes and materials The weight and size of your boat are primary factors in choosing an anchor that is right for you For most applications and anchor line length s...

Page 60: ...9 Maintenance Care...

Page 61: ...undred hours The fuel filter should be changed annually even if the en gine hours are less than one hundred during the previous season Before Each Use Before the engine has been started Before each ou...

Page 62: ...away from the charging area Failure to follow instructions when charging a battery may cause an electrical charge or even an explo sion of the battery which could result in death or serious injury In...

Page 63: ...ct the strainer 1 Remove the plastic nut on the top of the strainer Lift the cover 2 Remove the filter and inspect for debris Manually clean the strainer 3 Return the filter in place and recover Tight...

Page 64: ...remove marine growth from the hull see your authorized Gekko service de partment for further instructions Corrosion Protection Check for corrosion and tightness among all fasteners fittings hinges la...

Page 65: ...the boat is kept has a great deal to do with determining cleaning frequency Cleaning is required less frequently in a dry environment than in a humid one where heavy foliage exists One of the best way...

Page 66: ...further sun expo sure tree debris air pollutants and acid rain For storage vinyl should be cleaned protected covered and stored in a dry well ventilated area Recommended Cleaning Products Marine vinyl...

Page 67: ...void your warranty Check Propeller Shaft Coupler Alignment This function is critical to avoiding unnecessary wear and potential damage to the engine as well as the propeller and propeller shaft This t...

Page 68: ...e two of the cover screws and loosen the third screw Retain the screws for the reinstallation process Swing the cover out of the way to allow access to the impeller location 2 Using needle nose pliers...

Page 69: ...10 Winterization Storage...

Page 70: ...l winterization procedures 64 General Preparation Before starting you will need the following supplies Gasoline stabilizer fuel filter low tack tape Fuel System Treatment Gasoline of all grades will s...

Page 71: ...engine operator s manual 6 Perform all scheduled maintenance for the engine and boat equip ment 7 Turn off all electrical switches and breakers 8 The use of pest or rodent repellents may help prevent...

Page 72: ...ks should be on a hard level surface capable of supporting the combined weight of the cradle and the boat When using blocks with jack stands always use jack stands that are rated for more than the req...

Page 73: ...67...

Page 74: ...11 Trailering Launching...

Page 75: ...Gekko dealer It is important that any and all trailer operators possess as much knowledge as possible before operating a vehicle with a trailer attached Trailer Type There are several different trail...

Page 76: ...ight distribution hitch It is recommended that you seek professional assistance when se lecting the correct hitch and hitch ball for your towing application iWARNING A vehicle hitch that is underrated...

Page 77: ...It is not recommended to use the winch as the sole method for loading a boat onto the trailer Prior to each use of the winch check for the proper ratchet operation Do ot use the winch if it is damaged...

Page 78: ...coupler remove the hitch pin from the hole in the side of the coupler Push the button on the top of the handle to the side While holding the button to the side raise the handle by lifting the front wi...

Page 79: ...the trailer is towed Failure to do so can cause a wheel to disengage from the hub This can cause damage to the trailer that may not be covered under warranty and serious injury or even death to the dr...

Page 80: ...towing vehicle Gekko recommends using the trailer jack Rotate the trailer jack to the vertical position and engage the locking pin before placing a load on the trailer jack The drive gear and the rack...

Page 81: ...e slippery and danger ous to drive or walk on Be sure to check how steep the ramp is and if the surface is firm enough to support the weight of the trailer and tow vehicle The ramp may have unseen dro...

Page 82: ...pull forward to the loading position Position the boat on the center of the trailer and drive it onto the trailer at a slow pace Be certain all the boat tie downs are properly fastened down before dep...

Page 83: ...12 Warranty...

Page 84: ...Limited Lifetime War ranty Component Warranty Defects in factory installed non structural parts and compo nents Five 5 year Warranty Gelcoat Warranty One 1 year warranty WHAT WARRANTY DOES NOT COVER...

Page 85: ...limitations and exclusions set forth herein The Warranty Transfer Application and transfer fee must be received by the factory within 30 days of purchase by the Second Retail Purchaser Proof of purch...

Page 86: ...the design or manufacture of boats without obligation to modify any boat previously manufactured Warranty Service Gekko Boats 700 Paul Larson Memorial Drive Little Falls MN 56345 Phone 888 242 6991 Em...

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