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Yamaha SUPERJET 700 2003 Owner's/Operator's Manual

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Table of Contents
2003
SuperJet
700
OWNER'S/OPERATOR'S
MANUAL
U.S.A. Edition
READ THIS MANUAL
CAREFULLY BEFORE OPERATION!
LIT-18626-05-12

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Table of Contents
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  Summary of Contents for Yamaha SUPERJET 700 2003

  • Page 1 2003 SuperJet OWNER’S/OPERATOR’S MANUAL U.S.A. Edition READ THIS MANUAL CAREFULLY BEFORE OPERATION! LIT-18626-05-12...
  • Page 3 EJU00989 To the owner/operator Thank you for choosing a Yamaha water- EJU01265 Important manual information: craft. This Owner’s/Operator’s Manual con- In this manual, information of particular tains information you will need for proper importance is distinguished in the following operation, maintenance, and care.
  • Page 4: Table Of Contents

    EJU00992 CONTENTS GENERAL AND SAFETY INFORMATION FEATURES AND FUNCTIONS OPERATION MAINTENANCE AND CARE TROUBLESHOOTING AND EMERGENCY PROCEDURES APPENDIX READ THIS OWNER’S/OPERATOR’S MANUAL CAREFULLY BEFORE OPERATING YOUR WATERCRAFT.
  • Page 5 EJU00993 GENERAL AND SAFETY INFORMATION Identification numbers ......1-1 Primary Identification (PRI-ID) number ...........1-1 Hull Identification Number (HIN) ....1-1 Engine serial number ......1-1 Emission control information ....1-2 Approval label of Emission control certificate ..........1-2 Manufactured date label ......1-2 Important labels ........1-3 Label location .........1-3 Warning labels ........1-4 Other labels ..........1-5...
  • Page 6: Identification Numbers

    Hull Identification Number (HIN) and engine serial number in the spaces pro- vided for assistance when ordering spare parts from a Yamaha dealer. Also record and keep these ID numbers in a separate place in case your watercraft is stolen.
  • Page 7: Emission Control Information

    EJU01846 Emission control information This engine conforms to 2003 U.S. Envi- ronmental Protection Agency (EPA) regula- tions for marine SI engines. EJU01126 Approval label of Emission control certificate This label is attached to the electrical box and muffler. 1 Emission control information label EJU01127 Manufactured date label This label is attached to the electrical box...
  • Page 8: Important Labels

    EJU00998 Important labels EJU01351 Label location...
  • Page 9: Warning Labels

    EJU01352 Warning labels...
  • Page 10: Other Labels

    EJU01354 Other labels...
  • Page 11: Safety Information

    Limitations on who may Safety information operate the watercraft The safe use and operation of this Yamaha recommends a minimum opera- watercraft is dependent upon the use of tor age of 16 years old. proper riding techniques, as well as upon Adults must supervise use by minors.
  • Page 12: Cruising Limitations

    Do not operate the watercraft in rough EJU01269 Cruising limitations water, bad weather or when visibility is poor; this may lead to an accident caus- ing injury or death. Be alert to the possi- bility of adverse weather. Take note of weather forecasts and the prevailing weather conditions before setting out on your watercraft.
  • Page 13: Operation Requirements

    EJU01144 Operation requirements All riders must wear a Coast Guard approved personal flotation device (PFD) that is suitable for personal watercraft use. Wear protective clothing. Severe internal injuries can occur if water is forced into body cavities as a result of falling into water or being near the jet thrust nozzle.
  • Page 14 Helmets meeting Snell or DOT standards are required for IJSBA-sanctioned races. You must decide whether to wear a hel- met while you ride for recreation. You should know that a helmet could help pro- tect you in certain kinds of accidents and that it could injure you in others.
  • Page 15: Recommended Equipment

    A mir- ror can also be used as an emergency signal. Contact your Yamaha dealer or the Coast Guard for more information. Watch Scan carefully for swimmers, and stay A watch is helpful so you will know how away from swimming areas.
  • Page 16: Hazard Information

    EJU01003 EJU01271 Hazard information Watercraft characteristics Jet thrust turns the watercraft. Releasing the throttle lever completely produces only minimum thrust. If you are traveling at speeds above trolling, you will have rapidly decreasing ability to steer without throttle. You may still have some turning ability immediately after releasing the throttle, but once the engine slows down, the watercraft will no longer respond to...
  • Page 17 Keep away from intake grate 1 while the engine is on. Items such as long hair, loose clothing, or PFD straps can become entangled in moving parts resulting in severe injury or drowning. Never insert any object in the jet thrust nozzle 2.
  • Page 18: Rules Of The Road

    Rules of the Road Whenever two vessels on the water meet one another, one vessel has the right-of- Yamaha watercraft is legally consid- way; it is called the “stand-on” vessel. The ered a powerboat. Operation of the vessel that does not have the right-of-way is watercraft must be in accordance with called the “give-way”...
  • Page 19: Rules When Encountering Vessels

    Rules when encountering Meeting If you are meeting another power vessel vessels head on, and are close enough to run the There are three main situations that you risk of collision, neither of you has the right- may encounter with other vessels which of-way! Both of you should alter course to could lead to a collision unless the Steering avoid an accident.
  • Page 20: Other Special Situations

    Overtaking Sailing vessel right-of-way If you are passing another vessel, you are Sailing vessels should normally be given the give-way vessel. This means that the the right-of-way. The exceptions to this are: other vessel is expected to maintain its 1. When the sailing vessel is overtaking the course and speed.
  • Page 21 This system uses buoys and signs with Remember, markings may vary by geo- distinctive shapes and colors to show regu- graphic location. Always consult local boat- latory or advisory information. These mark- ing authorities before riding your watercraft ers are white with black letters and orange in unfamiliar waters.
  • Page 22: To Get More Boating Safety Information

    Yamaha is the watercraft industry’s lead- EJU01181 To get more boating ing manufacturer to build awareness and support for boating education. In 1997, safety information Yamaha launched its GET W.E.T. (Water- Be informed about boating safety. Addi- craft Education and Training) initiative and...
  • Page 23: Enjoy Your Watercraft Responsibly

    EJU01006 Enjoy your watercraft responsibly You share the areas you enjoy when riding your watercraft with others and with nature. So your enjoyment includes a responsibility to treat these other people, and the lands, waters, and wildlife with respect and courtesy. Whenever and wherever you ride, think of yourself as the guest of those around you.
  • Page 24 –MEMO–...
  • Page 25: Features And Functions

    EJU01007 FEATURES AND FUNCTIONS Location of main components ....2-1 Operation of controls and other functions ...........2-3 Hood ............2-3 Fuel tank filler cap ........2-4 Fuel cock knob ........2-4 Engine stop switch .........2-5 Engine shut-off switch ......2-5 Choke knob ..........2-6 Throttle lever ..........2-6 Start switch ..........2-6 Cooling water pilot outlet .......2-7 Steering system ........2-7...
  • Page 26: Location Of Main Components

    EJU01008 Location of main components 1 Rope hole 9 Hood latch Use to attach rope for transporting, mooring or Locks the hood. 0 Jet thrust nozzle towing the watercraft in an emergency. 2 Storage pouch Changes the direction of jet thrust according 3 Steering pole to handlebar position.
  • Page 27 1 Fire extinguisher container 8 Engine stop switch 2 Fuel cock knob Push to stop the engine normally. 9 Engine shut-off cord (lanyard) Use to select either normal or reserve fuel flow from the fuel tank to the carburetors, or to shut Attach to wrist so that the engine stops if the off fuel flow.
  • Page 28: Operation Of Controls And Other Functions

    EJU01009 Operation of controls and other functions EJU01272 Hood The hood is secured at the rear by a latch. Lift the steering pole and support it with the lock pin before removing the hood. To remove the hood: 1. Turn the latch knob 1 to the open posi- tion, and then pull up on the hood latch 2 to unlatch the hood.
  • Page 29: Fuel Tank Filler Cap

    2. Push down on the hood latch, and then turn the knob to the lock position. NOTE: Make sure that the hood is properly secured before operating the watercraft. EJU01012 Fuel tank filler cap To remove the fuel tank filler cap 1, turn it counterclockwise.
  • Page 30: Engine Stop Switch

    EJU01015 Engine stop switch Push this switch 1 (red button) to stop the engine normally. EJU01016 Engine shut-off switch Insert the clip 1, on the end of the engine shut-off cord 2, under the engine shut-off switch 3 (black button). The engine will stop automatically when the clip is removed from the switch, such as if the operator falls off the watercraft.
  • Page 31: Choke Knob

    EJU01215 Choke knob Starting a cold engine requires a richer air-fuel mixture, which is supplied by the choke. Pull the knob 1 out to turn the choke on. Push the knob in to turn the choke off. EJU01018 Throttle lever Squeeze the throttle lever 1 to increase engine speed.
  • Page 32: Cooling Water Pilot Outlet

    EJU01130 Cooling water pilot outlet This watercraft is equipped with a cooling water pilot outlet. When the engine is running, cooling water is circulated in the engine, and then it is discharged from the pilot outlet. To check for proper operation of the cool- ing system, check that water is being dis- charged from the pilot outlet.
  • Page 33: Steering Pole

    EJU01273 Steering pole The steering pole varies in height with the operator’s posture, enabling the operator to assume various riding positions. When removing the hood for pre-opera- tion checks, maintenance, etc., lift the steer- ing pole 1 and use the lock pin 2 to support it.
  • Page 34: Engine Overheat Warning System

    CAUTION: If you cannot locate and correct the cause of the overheating, consult a Yamaha dealer. Continuing to operate at higher speeds could result in severe engine damage.
  • Page 35: Storage Pouch

    EJU01274 Storage pouch A storage pouch is provided on the under- side of the hood for the Owner’s/Operator’s Manual, tool kit and other small items. Bend the Owner’s/Operator’s Manual slightly to insert it into the storage pouch 1, then add the tool kit and any other small items.
  • Page 36 –MEMO–...
  • Page 37: Operation

    EJU01040 OPERATION Fuel and oil ..........3-1 Gasoline ..........3-1 2-stroke engine oil ........3-2 Mixing fuel and oil ........3-3 Filling the fuel tank .........3-4 Pre-operation checks ......3-5 Pre-operation check list ......3-5 Pre-operation check points ....3-6 Operation ..........3-13 Engine break-in ........3-13 Starting the engine .......3-15 Stopping the engine ......3-18 Leaving the watercraft ......3-18 Operating your watercraft ....3-19...
  • Page 38: Fuel And Oil

    EJU01275 Fuel and oil EJU01911 Gasoline WARNING GASOLINE VAPORS HIGHLY FLAMMABLE AND EXPLOSIVE! Do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. Stop engine before refueling. Refuel in a well-ventilated area with the watercraft in a horizontal position. Do not stand or sit on the watercraft while refueling in case of fire.
  • Page 39: 2-Stroke Engine Oil

    Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. Gasohol containing methanol is not rec- ommended by Yamaha because it can cause fuel system damage or engine perfor- mance problems. EJU01044...
  • Page 40: Mixing Fuel And Oil

    EJU01276 Mixing fuel and oil CAUTION: Avoid using any mixture of gasoline and oil other than those designated. Make sure gasoline and oil are thor- oughly mixed in the correct ratio, oth- erwise the following problems may occur. Too little oil in the fuel mixing ratio could result in major engine trou- ble, such as seizure.
  • Page 41: Filling The Fuel Tank

    EJU01277 Filling the fuel tank CAUTION: Be careful when refueling. Avoid getting water or other contaminants in the fuel tank. Contaminated fuel can cause poor running or engine damage. 1. Lift the steering pole and support it with the lock pin. 2.
  • Page 42: Pre-Operation Checks

    EJU01346 Pre-operation checks EJU01347 Pre-operation check list Before operating this watercraft, perform the checks in the following check list. See the accompanying text in this chapter for details on how to perform the checks. WARNING If any item in the pre-operation check list is not working properly, have it inspected and repaired before operating the watercraft, otherwise an accident could occur.
  • Page 43: Pre-Operation Check Points

    EJU01048 Pre-operation check points EJU01278 Engine compartment Ventilate the engine compartment, before each use. To ventilate the engine compart- ment, lift the steering pole and support it with the stopper pin, then remove the hood. Put the hood aside for a few minutes to allow any fuel vapors to escape.
  • Page 44: Water Separator

    EJU01961 Water separator Check the water separator 1 for water. Normally the water separator is empty. The water separator retains any water entering through the fuel tank breather hose if the watercraft is capsized. If water remains in the water separator, drain it by removing the drain screw 2.
  • Page 45 EJU01969 Battery Check the battery condition and the elec- trolyte level. Check that the battery leads are tightened securely and there is no corrosion on the battery terminals. WARNING The battery must always be fully charged and in good condition. Loss of battery power may leave you stranded.
  • Page 46: Fire Extinguisher

    Always carry a fire extinguisher on board. A fire extinguisher is not standard equip- ment with this watercraft. If you do not have one, contact a Yamaha dealer or a fire extinguisher dealer to obtain one meeting the proper specifications.
  • Page 47 EJU01834 Throttle Squeeze and release the throttle lever several times to make sure that there is no hesitation in its travel. It should be smooth over the complete range, and spring back to the idle position when released. WARNING Before starting the engine, always check the operation of the throttle lever.
  • Page 48: Jet Unit

    EJU01058 Jet unit Carefully check the jet intake for weeds, debris, or anything else that might restrict the intake of water. If the intake is clogged, cavitation could occur, reducing jet thrust, and possibly damaging the jet pump. In some cases, the engine may overheat because of lack of cooling water, and dam- age to the engine could result.
  • Page 49 EJU01835 Switches Check the start switch 1, the engine stop switch 2, and the engine shut-off switch 3 for proper operation. To check these switches, place the water- craft in the water to provide adequate cool- ing. Start the engine, and then pull the engine shut-off cord 5 to remove the clip 4 from the engine shut-off switch.
  • Page 50: Operation

    Con- sult your Yamaha dealer about any con- trols or functions you do not fully understand. Failure to understand how controls work could cause an accident or prevent you from avoiding an accident.
  • Page 51 3. Gradually open the throttle lever to 3/4 or less. 4. Continue operation at 3/4 throttle or less until the first tankful of fuel has been used. 5. Fill the tank once more with a fuel-to-oil ratio of 25:1, and proceed with normal operation.
  • Page 52: Starting The Engine

    EJU01137 Starting the engine WARNING Never start the engine or let it run for any length of time in an enclosed area. Exhaust fumes contain carbon monox- ide, a colorless, odorless gas that may cause loss of consciousness and death within a short time.
  • Page 53 3. Attach the clip 1 to the engine shut-off switch 2. Also, attach the engine shut-off cord 3 to your left wrist. WARNING Check that the engine shut-off cord is not frayed or broken, and keep it free from the handlebars so the engine stops if the operator falls off.
  • Page 54 6. Release the start switch as soon as the engine starts to run. CAUTION: Never push the start switch while the engine is running. Do not operate the start switch for more than 5 seconds, otherwise the battery will be discharged and the engine will not start.
  • Page 55: Stopping The Engine

    EJU01066 Stopping the engine To stop the engine, release the throttle lever, and then push the engine stop switch (red button). WARNING You need throttle to steer. Shutting off the engine can cause you to hit an obsta- cle you are attempting to avoid. A colli- sion could result in severe injury or death.
  • Page 56: Operating Your Watercraft

    EJU01068 EJU01147 Operating your watercraft Learning to operate your watercraft EJU01146 Getting to know your Before operating, always perform the pre-operation checks listed on page 3-5. watercraft The short time spent checking the watercraft Operating your watercraft requires skills will reward you with added safety and reli- acquired through practice over a period of ability.
  • Page 57 Wear protective clothing. Severe internal injuries can occur if water is forced into body cavities as a result of falling into water or being near the jet thrust nozzle. Normal swimwear does not adequately protect against forceful water entry into rectum or vagina.
  • Page 58: Starting The Watercraft

    EJU01287 Starting the watercraft WARNING Scan constantly for people, objects and other watercraft. Be alert for con- ditions that limit your visibility or block your vision of others. Operate defensively at safe speeds and keep a safe distance away from people, objects and other watercraft.
  • Page 59: Boarding And Starting In Deep Water

    EJU01378 Boarding and starting in deep water 1. Swim to the rear of the watercraft. Attach the engine shut-off cord to your wrist. Attach the clip to the engine shut-off switch. 2. Grasp the handlebars with both hands. Pull your body up onto the riding tray and balance there, using your elbows on the gunwales for leverage.
  • Page 60 6. Move as far forward as possible without interfering with the movement of the han- dlebars. Keep your body perpendicular to the water, with your weight forward and low. 7. Once the bow drops, and the watercraft has leveled out in the water and reached planing speed, back off the throttle lever and select your desired speed.
  • Page 61 EJU01289 Boarding and starting in shallow water Be sure to learn the deep-water starting method before operating the watercraft in water where it is too deep for you to stand. Do not try to start the watercraft in water less than 60 cm (2 ft) deep. 1.
  • Page 62: Operating Positions

    EJU01290 Operating positions After you are underway, you may choose to kneel or stand, depending upon water- craft speed, your skill level, and your prefer- ence. Here are some guidelines. EJU01291 Kneeling It is easier to maintain your balance when kneeling than when standing.
  • Page 63: Capsized Watercraft

    EJU01293 Capsized watercraft If the watercraft capsizes, follow the pro- cedures below carefully to prevent damage or injury. CAUTION: Make sure to remove the clip from the engine shut-off switch, otherwise the engine will overheat and damage may occur. 1. Shut the engine off by removing the clip from the engine shut-off switch.
  • Page 64: Turning The Watercraft

    EJU01294 Turning the watercraft Steering control depends on the combi- nation of handlebar position and the amount of throttle. Water sucked in through the intake grate is pressurized by the impeller in the jet pump. As the pressurized water is expelled from the pump through the jet thrust nozzle, it creates thrust to move and steer the watercraft.
  • Page 65 To maintain your balance, lean into a turn. How much you lean depends on the tight- ness of the turn and your traveling speed. In general, the higher the speed or the sharper the turn, the more you lean. WARNING Do not release the throttle when trying to steer away from objects—you need throt- tle to steer.
  • Page 66: Stopping The Watercraft

    EJU01080 Stopping the watercraft The watercraft is not equipped with a sep- arate braking system. It is stopped by water resistance when throttle lever released. From full speed, the watercraft comes to a complete stop in approximately 90 m (300 ft) after the throttle is released and the engine is stopped, although this dis- tance will vary depending on many factors, including gross weight, water surface condi-...
  • Page 67: Beaching The Watercraft

    EJU01081 Beaching the watercraft 1. Make sure no obstructions, boats or swimmers are near the beach. Release the throttle lever about 90 m (300 ft) before you reach the intended beaching area. 2. Approach the beach slowly and stop the engine before reaching land.
  • Page 68: Post-Operation Checks

    EJU01894 Post-operation checks Always perform the following post-opera- tion checks after operating the watercraft. 1. Remove the watercraft from the water. 2. Wash down the hull, steering pole, han- dlebars, and jet unit with fresh water. 3. Remove the hood and check the engine compartment for water.
  • Page 69 CAUTION: Do not run the engine at full throttle or for more than 15 seconds on land, other- wise the engine may overheat and seize. 7. If the watercraft will be stored for a week or more, lubricate internal engine com- ponents to help prevent corrosion.
  • Page 70: Transporting

    EJU01956 Transporting WARNING Always place the fuel cock knob in the “OFF” position when transporting the watercraft, otherwise fuel could leak out into the engine or engine compartment, which would create a fire hazard. Transport this watercraft using the special trailer that incorporates a hole into which the pin 1 can be inserted and locked after passing it through the rope hole 2.
  • Page 71: Maintenance And Care

    EJU01086 MAINTENANCE AND CARE Storage ............4-1 Flushing the cooling system ....4-1 Lubrication ..........4-3 Fuel system ..........4-4 Battery ............4-5 Cleaning the watercraft ......4-6 Maintenance and adjustments ....4-7 Owner’s/Operator’s Manual and tool kit .............4-8 Periodic maintenance chart ....4-9 Inspecting the fuel system ....4-10 Inspecting the jet thrust nozzle angle .............4-12 Inspecting and adjusting the throttle...
  • Page 72: Storage

    It is advisable to have the watercraft serviced by a Yamaha dealer prior to stor- age. However, the following procedures can be performed by the owner. EJU01088...
  • Page 73 1. Put the watercraft on land in a horizontal position. 2. Open the flushing hose connector cap 1, and then insert the garden hose adapter 2 into the flushing hose con- nector 3 and turn it until it is securely connected.
  • Page 74: Lubrication

    4. Install the cap securely. 5. Lubricate all cables such as the throttle, choke, and steering cables. NOTE: Use a Yamaha Power Cable Luber and Yamaha Lube-Zall to pressure lubricate the cables and purge out any moisture between the inner and outer cables.
  • Page 75: Fuel System

    EJU01962 Fuel system WARNING GASOLINE VAPORS HIGHLY FLAMMABLE AND EXPLOSIVE! Do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. Stop engine before refueling. Refuel in a well-ventilated area with the watercraft in a horizontal position. Do not stand or sit on the watercraft while refueling in case of fire.
  • Page 76: Battery

    Top off the fuel tank with fresh gasoline and add one ounce of Yamaha Fuel Stabi- lizer and Conditioner to each gallon of fuel. NOTE: Use of Yamaha Fuel Stabilizer and Condi- tioner eliminates the need to drain the fuel system.
  • Page 77: Cleaning The Watercraft

    12 volts. Specific gravity (for reference): 1.28 at 20 °C (68 °F) It is recommended to have a Yamaha dealer check the specific gravity and to charge the battery. If you maintain the battery yourself, be sure to read and follow the instructions provided with the battery tester and charger you use.
  • Page 78: Maintenance And Adjustments

    Remember that failures that are the result of the installation of parts or accessories which are not qualitatively equivalent to gen- uine Yamaha parts are not covered by the limited warranty. WARNING Be sure to turn off the engine when...
  • Page 79: Owner's/Operator's Manual And Tool Kit

    NOTE: A service manual is available for purchase through a Yamaha dealer for owners who have the mechanical skills, tools, and other equipment necessary to perform mainte- nance not covered by this Owner’s/Opera- tor’s Manual. EJU01150 Owner’s/Operator’s Manual and tool kit It is advisable always to carry the Owner’s/Operator’s Manual and tool kit 2...
  • Page 80: Periodic Maintenance Chart

    ) This mark indicates maintenance that you may do yourself. ❍ ) This mark indicates work to be done by a Yamaha dealer. MAINTENANCE INTERVAL THEREAF- INITIAL...
  • Page 81: Inspecting The Fuel System

    Check the fuel system for leaks, cracks, or malfunctions. If any problem is found, do the necessary repair or replacement as required. If repair is necessary, consult a Yamaha dealer. Check: Carburetor for leakage. Fuel pump for malfunction or leakage.
  • Page 82: Fuel Filter

    10 hours or first month of operation and every 200 hours or 24 months thereafter, or if water is found in the filter. Have a Yamaha dealer replace the fuel filter if necessary. WARNING Do not try to replace the fuel filter your- self.
  • Page 83: Inspecting The Jet Thrust Nozzle Angle

    1. Squeeze and release the throttle lever. If the lever does not return smoothly, have a Yamaha dealer service it. 2. Adjust free play a by loosening the lock- nut 1 and turning the adjuster 2.
  • Page 84: Cleaning And Adjusting The Spark Plugs

    Do not attempt to diagnose any problems yourself. Have a Yamaha dealer service the watercraft. Remove and inspect the spark plug peri- odically; heat and deposits will cause the spark plug to slowly break down and erode.
  • Page 85: Lubrication Points

    Lubrication points To keep moving parts sliding or rotating smoothly, coat them with water-resistant grease. Recommended water resistant grease: Yamaha Marine Grease/ Yamaha Grease A Throttle cable (carburetor end) Choke cable (carburetor end) Throttle cable (handlebar end) Pull the throttle lever and remove the seal 1.
  • Page 86 Steering cable ball joint (nozzle end) Steering cable inner wire (nozzle end) Steering handle pivot shaft Lubrication of the steering handle pivot shaft requires disassembly of steering components. Have a Yamaha dealer lubri- cate it. Steering nozzle pivot bolts (collars) 4-15...
  • Page 87: Adjusting The Choke Cable

    Intermediate housing Using a grease gun, fill the intermediate housing with water-resistant grease through the grease nipple. Grease capacity: Initial 10 hours or 1 month: 20.0–22.0 cm (0.67–0.74 oz) Every 100 hours or 12 months: 3.0–5.0 cm (0.10–0.33 oz) EJU01261 Adjusting the choke cable Check that the choke cable is properly adjusted.
  • Page 88: Inspecting The Battery

    EJU01971 Inspecting the battery Check the level of the battery electrolyte and make sure that the negative and posi- tive leads are securely tightened. WARNING Battery electrolyte is poisonous and dangerous, causing severe burns, etc. Electrolyte contains sulfuric acid. Avoid contact with skin, eyes, or cloth- ing.
  • Page 89 CAUTION: Do not attempt to charge a battery hast- ily. Battery life could be shortened. It is recommended to have a Yamaha dealer charge the battery. If you charge the battery yourself, carefully read the battery charger instructions before charging and fol- low the points below.
  • Page 90: Adjusting The Carburetor

    Adjusting the carburetor The carburetor is a vital part of the engine and requires very sophisticated adjustment. Most adjusting should be left to a Yamaha dealer who has the professional knowledge and experience to perform it. However, the operator may adjust the trolling speed as part of the usual maintenance routine.
  • Page 91: Replacing The Fuse

    EJU01263 Replacing the fuse The fuse is in the electrical box 1. To replace the fuse: 1. Remove the cap 2, pull out the red lead, and bring the fuse holder 3 out of the electrical box. 2. Open the fuse holder and replace the fuse 4 with one of the correct amper- age.
  • Page 92: Adjusting The Jet Thrust Nozzle Angle

    EJU01305 Adjusting the jet thrust nozzle angle The angle of the jet thrust nozzle can be adjusted to suit operator preference. 1. Loosen the two screws, and then remove the steering pole cover 1. 2. Select the desired nozzle angle a. Changing the position of the handlebar stopper and/or steering cable pivot bolt changes the nozzle angle as shown in...
  • Page 93: To Change The Position For The Steeringcable Pivot Bolt

    To change the position for the steering cable pivot bolt: 1. Pull back the outer sleeve, and then dis- connect the steering cable. 2. Remove the steering cable joint from the steering cable pivot bolt. 3. Loosen the pivot bolt and install it with the lock washer in the desired position (P1 or P2).
  • Page 94: Specifications

    EJU01359 Specifications MODEL Unit SJ700 ITEM WATERCRAFT CAPACITY Maximum people on board Number of people DIMENSIONS Length mm (in) 2,240 (88.2) Width mm (in) 680 (26.8) Height mm (in) 660 (26.0) Dry weight kg (lb) 132 (291) PERFORMANCE Maximum power output kW (PS) @ r/min 53.7 (72) @ 6,300 Maximum fuel consumption...
  • Page 95: Troubleshooting And

    EJU01115 TROUBLESHOOTING AND EMERGENCY PROCEDURES Troubleshooting ........5-1 Troubleshooting chart ......5-1 Emergency procedures ......5-3 Cleaning the jet intake and impeller ..5-3 Jumping the battery .......5-4 Towing the watercraft ......5-6 Submerged watercraft ......5-7...
  • Page 96: Troubleshooting

    If you have any trouble with your watercraft, use this section to check for the possible cause. If you cannot find the cause, or if the procedure for replacement or repair is not described in this Owner’s/Operator’s Manual, have a Yamaha dealer perform the necessary service. EJU01367 Troubleshooting chart...
  • Page 97 Empty Refill as soon as possi- Engine runs irregu- larly or stalls Stale or contaminated Have serviced by 4-10 Yamaha dealer Too much oil in fuel Correct fuel-to-oil ratio mixing ratio to 50:1 Choke Knob is left pulled Push fully in...
  • Page 98: Emergency Procedures

    2. Remove any weeds or debris from around the drive shaft, impeller, pump housing, and jet thrust nozzle. If debris is difficult to remove, consult your Yamaha dealer.
  • Page 99: Jumping The Battery

    CAUTION: Always avoid operating your watercraft in areas where weed growth is thick. If trav- eling in weeded areas is unavoidable, operate the engine alternately at partial throttle and full throttle. Weeds tend to accumulate more at a steady speed and at trolling speed.
  • Page 100: Connecting The Jumper Cables

    EJU01882 Connecting the jumper cables 1. Connect the positive (+) jumper cable 1 to the positive (+) terminals of both bat- teries. 2. Connect one end of the negative (–) jumper cable 2 to the negative (–) termi- nal of the booster battery 3. 3.
  • Page 101: Towing The Watercraft

    EJU01895 Towing the watercraft If the watercraft becomes inoperative in the water, it can be towed to shore. If the watercraft must be towed in an emergency using a tow line, the operator should ride the watercraft, holding onto the handlebars and supporting his body weight on the riding tray.
  • Page 102: Submerged Watercraft

    EJU01907 Submerged watercraft If the watercraft is submerged or flooded with water, follow the procedure below and consult a Yamaha dealer as soon as possi- ble. Failure to do so may result in serious engine damage! In an emergency: 1. Beach the watercraft and remove the hood.
  • Page 103: Appendix

    EJU01124 APPENDIX Limited warranty ........6-1 YAMAHA EXTENDED SERVICE (Y.E.S.) ............6-3 Index............6-4...
  • Page 104: Limited Warranty

    Owner’s/Operator’s Manual. The owner of the watercraft shall give notice to an authorized Yamaha dealer of any and all apparent defects within ten [10] days of dis- covery and make the watercraft available at that time for inspection and repairs at the dealer’s place of business.
  • Page 105 If you should move after you have purchased your new watercraft, please advise us of your new address by sending a postcard listing your Yamaha model name, engine number, dealer number [or dealer’s name] as it is shown on your warranty card, your name and new mailing address.
  • Page 106 This excellent Y.E.S. plan coverage is only available to Yamaha owners like you, and only while your Yamaha is still within the Yamaha Limited Warranty period. So visit your authorized Yamaha dealer to get all the facts. He can show you how easy it is to protect your investment with Yamaha Extended Service.
  • Page 107 EJU01125 Index Filling the fuel tank ........3-4 Fire extinguisher........3-9 2-stroke engine oil........3-2 Fishing vessel right-of-way....1-15 Flushing the cooling system ....4-1 Adjusting the carburetor ......4-19 Fuel and oil..........3-1 Adjusting the choke cable ..... 4-16 Fuel cock knob ........2-4 Adjusting the jet thrust nozzle angle ..
  • Page 108 Reading buoys and other markers ..1-15 Watercraft characteristics......1-11 Recommended equipment ....1-10 Watercraft Education and Training..1-17 Replacing the fuse ........ 4-20 Water separator ........3-7 Rough water operation......3-30 Rules of the Road ......... 1-13 YAMAHA EXTENDED SERVICE Rules when encountering vessels..1-14 (Y.E.S.)............ 6-3...
  • Page 109 YAMAHA MOTOR CORPORATION, USA Printed in Japan Jul. 2002—0.4 × 1 CR F1N-28199-11 Printed on recycled paper...

This manual is also suitable for:

2003 superjet 700