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Introduction These Kawasaki PWC JetSki (Jet Ski) manuals contains an introductory description on and procedures for the inspection, service and overhaul of its main components. General knowledge information is not included. Please read the GENERAL INFORMATION section to familiarize yourself with basic information concerning the PWC Watercraft. Read and refer to the other sections in this personal water craft manual for information regarding proper inspection and service procedures.
These manuals have been prepared using the latest information available at the time of publication. If a modification has been made since then, differences may exist between the content of these Kawasaki JetSki manuals and the actual watercraft. Illustrations in these manuals are used to show the basic principles of operation and work procedures in exact detail. These manuals are intended for use by technicians who already possess the basic knowledge and skills to service a Kawasaki Jetski and components.
Persons without such knowledge and skills should attempt with caution to service any component or engine by relying on this manual only. Never attempt to perform any work with out the assistance of a service manual. Apprentice mechanics or do-it-yourself mechanics that don’t have the proper tools and equipment may or may not be able to properly perform the services described in this manual. Improper repair may result in injury to the mechanic and may render the watercraft unsafe for the JetSki operator and passengers.
Fix-Your Problems now with these service manuals available for download. KAWASAKI TROUBLESHOOTING SEARCHES: ENGINE DOES NOT START OR IS HARD TO START ENGINE LACKS POWER POOR PERFORMANCE AT LOW AND IDLE SPEED POOR PERFORMANCE AT HIGH SPEED TROUBLESHOOTING 21-2 TROUBLESHOOTING ENGINE DOES NOT START OR IS HARD TO START 1. Spark Plug Remove and inspect the spark plugs. Are the spark plugs wet?
YES –. Incorrect spark plug heat range. Incorrect spark plug gap.
Air intake duct or air box obstructed NO – GO TO STEP 2. Spark Test Perform spark test. Is there a weak spark or no spark? YES –. Faulty spark plug. Fouled spark plug. Loose or disconnected ignition system wires.
Faulty ignition coil. Faulty ignition pulse generator. Faulty engine control module (ECM) NO – GO TO STEP 3. Fuel Injection System Check the fuel injection system. Is the fuel injection system normal? NO – Faulty fuel injection system YES – GO TO STEP 4. Engine Starting Condition Start the engine by following the normal procedure.
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Does the engine start and then stop? Yes –. Intake air leak. Faulty idle air control valve. Improper ignition timing (Faulty ECM or ignition pulse generator). Contaminated fuel NO – GO TO STEP 5.
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Cylinder Compression Test cylinder compression. Is the compression low? YES –. Valve clearance too small. Valve stuck open. Worn cylinder and piston rings.
Damaged cylinder head gasket. Seized valve.
1987 Kawasaki 650sx Owners Manual
Improper valve timing ENGINE LACKS POWER 1. Engine Speed Accelerate lightly. Does the engine speed increase?
NO –. Suzuki lt 50 quad service manual. Air intake duct or air box obstructed. Restricted fuel flow. Clogged exhaust system. Restricted fuel tank breather line YES – GO TO STEP 2. Engine Knocking Accelerate or run at high speed.
TROUBLESHOOTING 21-3 Is there knocking? YES –. Use of poor quality fuel.
Worn piston and cylinder. Excessive carbon build-up in combustion chamber. Ignition timing too advance (Faulty ECM) NO – GO TO STEP 3. Spark Plug Remove and inspect the spark plugs. Are the spark plugs fouled or discolored?
YES –. Plug not serviced frequently enough. Incorrect spark plug heat range NO – GO TO STEP 4. Engine Oil Check the oil level and condition. Is the oil level okay and free of contaminants? NO –.
Oil level too high. Oil level too low. Contaminated oil YES – GO TO STEP 5. Ignition Timing Check the ignition timing. Is the ignition timing correct? NO –. Faulty engine control module (ECM).
Faulty ignition pulse generator YES – GO TO STEP 6. Cylinder Compression Test cylinder compression. Is the compression low? YES –. Valve clearance too small.
Valve stuck open. Worn cylinder and piston rings.
Damaged cylinder head gasket. Seized valve. Improper valve timing NO – GO TO STEP 7. Fuel Injection System Check the fuel injection system. Is the fuel injection system normal? NO – Faulty fuel injection system YES – GO TO STEP 8.
Engine Lubrication Remove cylinder head cover and inspect lubrication. Is the valve train lubricated properly? NO – Clogged oil passage YES – GO TO STEP 9. Engine Over-heating Test ride and check the engine condition Is the engine over-heating? YES –.
Use of poor quality fuel. Excessive carbon build-up in combustion chamber. Loose or damaged water hose or clamp TROUBLESHOOTING 21-4.
Restricted cooling water passage in engine. Clogged water passage and filter in jet pump. Damaged impeller or water jet stator Check the turbocharger condition. Is the turbocharger normal? NO –. Faulty turbocharger POOR PERFORMANCE AT LOW AND IDLE SPEED 1. Intake Air Check for intake air leak.
Is there leaking? YES –. Loose air intake system fasteners. Damaged air intake system O-ring NO –. GO TO STEP 2. Spark Test Perform spark test.
Is there weak or intermittent spark? YES –.
Faulty spark plug. Fouled spark plug.
Loose or disconnected ignition system wires. Faulty ignition coil. Faulty ignition pulse generator. Faulty engine control module (ECM) NO – GO TO STEP 3.
Ignition Timing Check the ignition timing. Is the ignition timing correct? NO –. Faulty engine control module (ECM). Faulty ignition pulse generator YES – GO TO STEP 4. Fuel Injection System Check the fuel injection system.
Is the fuel injection system normal? NO – Faulty fuel injection system POOR PERFORMANCE AT HIGH SPEED 1. Ignition Timing Check the ignition timing.
Is the ignition timing correct? NO –. Faulty engine control module (ECM). Faulty ignition pulse generator YES – GO TO STEP 2. Fuel Injection System Check the fuel injection system.
Is the fuel injection system normal? NO – Faulty fuel injection system YES – GO TO STEP 3. TROUBLESHOOTING 21-5 3. Valve Timing Check the valve timing. Is the valve timing correct?
NO – Camshafts not installed properly YES – GO TO STEP 4. Valve Spring Check the valve springs.
Because the manual solution is distributed electronically, all known errors are promptly corrected and no error lists are maintained. Instructors are encouraged to visit this site regularly; they may also register on this site to be notified of important changes by email. Piaggio carnaby 125 service manual. (read: privacy policy). This page also contains links to all known errors in the book, accompanying slides, and software. This page is updated frequently at any time and contains information about books, past and current users, and software.
Are the valve springs fatigued? YES – Faulty valve spring COMPONENT LOCATION SERVICE INFORMATION COMBINATION METER SPEEDOMETER/SPEED SENSOR TACHOMETER FUEL GAUGE/FUEL LEVEL SENSOR INDICATORS HANDLEBAR SWITCH MAIN RELAY OFF-THROTTLE STEERING SYSTEM SERVICE INFORMATION GENERAL. Use an electric heating element to heat the coolant mixture for the engine coolant temperature sensor inspection. Keep flammable materials away from the electric heating element. Wear protective clothing, insulated gloves and eye protection. Check the battery condition before performing any inspection that requires proper battery voltage. A continuity test can be made with the switches installed on the watercraft.
The following color codes are used throughout this section. SPECIFICATIONS TORQUE VALUE TOOLS Bu = Blue G = Green Lg = Light Green R = Red Bl = Black Gr = Gray O = Orange W = White Br = Brown Lb = Light Blue P = Pink Y = Yellow ITEM SPECIFICATIONS Bulb Warning indicator LED Fuse Main fuse 30 A Sub fuse 7.5 A X 3, 5 A X 2 Tachometer peak voltage 10.5 V minimum Off-throttle steering limit switch nut 2.9 Nm (0.3 kgfm, 2.2 lbfft) Speed sensor wire setting nut 4.9 Nm (0.5 kgfm, 3.6 lbfft) WARNING BUZZER Fit the safety lanyard clip to the base of the engine stop switch. Biol 107 lab manual answers.
Connect the Green/yellow and Green wire terminals of the 10P green connector with a jumper wire. The warning buzzer should sound. If the warning buzzer does not sound, check the power input line (page 19-5). If the power input line is normal, check the following: – open circuit in the Green/yellow wire between the combination meter and warning buzzer – faulty warning buzzer – open circuit in the Red/blue wire between the warning buzzer and junction connector SPEEDOMETER/SPEED SENSOR SYSTEM INSPECTION Remove the passenger grab rail page 3-5.
Disconnect the speed sensor 2P yellow connector. Fit the safety lanyard clip to the base of the engine stop switch. Measure the voltage between the Blue/white (+) and Black/orange (–) wire terminals of the wire harness side connector. There should be battery voltage. If there is no voltage, check the Blue/white and Black/orange wires. If the wires are OK, replace the combination meter.
If there is battery voltage, replace the speed sensor with a known-good one and check the speedometer operation. SPEED SENSOR REMOVAL/ INSTALLATION Remove the jet pump (page 14-8). Disconnect the speed sensor 2P yellow connector. Remove the wire setting nut, wire holder and the speed sensor.
Insert the speed sensor 2P connector through the wire holder hole. Install the wire holder into the hole and tighten it.
Align the locating mark on the wire with the wire holder end, install the wire setting nut and tighten it. Connect the speed sensor 2P connector. Install the jet pump page 14-24. TACHOMETER SYSTEM INSPECTION Remove the storage box page 3-8. Release the wire bands. Disconnect the combination meter 8P gray connector. FUEL GAUGE/FUEL LEVEL SENSOR SYSTEM INSPECTION Remove the storage box page 3-8.
Disconnect the fuel pump 5P connector. Fit the safety lanyard clip to the base of the engine stop switch and check the fuel gauge. All segments and low fuel indicator should blink and the warning buzzer should beep. Pull the safety lanyard clip off of the engine stop switch. Connect the Gray/white and Gray/black wire terminal of the 5P connector with a jumper wire. Fit the safety lanyard clip to the base of the engine stop switch and check the fuel gauge.
All segments and low fuel indicator should blink and the warning buzzer should beep. If the fuel gauge, low fuel indicator and warning buzzer do not function properly, replace the combination meter (page 19-4).
Remove the fuel pump assembly page 8-82. Connect the fuel pump 5P connector. With the fuel level sensor float at the top (FULL) position, fit the safety lanyard clip to the base of the engine stop switch and check the fuel gauge.
Introduction These Kawasaki PWC JetSki (Jet Ski) manuals contains an introductory description on and procedures for the inspection, service and overhaul of its main components. General knowledge information is not included. Please read the GENERAL INFORMATION section to familiarize yourself with basic information concerning the PWC Watercraft.
Read and refer to the other sections in this personal water craft manual for information regarding proper inspection and service procedures. These manuals have been prepared using the latest information available at the time of publication. If a modification has been made since then, differences may exist between the content of these Kawasaki JetSki manuals and the actual watercraft. Illustrations in these manuals are used to show the basic principles of operation and work procedures in exact detail. These manuals are intended for use by technicians who already possess the basic knowledge and skills to service a Kawasaki Jetski and components.
Persons without such knowledge and skills should attempt with caution to service any component or engine by relying on this manual only. Never attempt to perform any work with out the assistance of a service manual. Apprentice mechanics or do-it-yourself mechanics that don’t have the proper tools and equipment may or may not be able to properly perform the services described in this manual. Improper repair may result in injury to the mechanic and may render the watercraft unsafe for the JetSki operator and passengers. Fix-Your Problems now with these service manuals available for download.
RELATED J O H N S O N/O U T B O A R D SEARCHES: Troubleshooting a fuel injected motor contains similarities to carbureted motors. Mechanically, the powerhead of a 4-stroke fuel injected motor operates in the same way as a carbureted motor. There still must be good engine compression and mechanical timing for either engine to operate properly. Wear or physical damage will have virtually the same affect upon either motor. Furthermore, the low pressure fuel system that supplies fuel to the reservoir in the vapor separator tank operates in the same manner as the fuel circuit that supplies gasoline to the carburetor float bowl. The major difference in troubleshooting engine performance on EFI motors is the presence of the ECU and electronic engine controls.
The complex interrelation of the sensors used to monitor engine operation and the ECU used to control both the fuel injection and ignition systems makes logical troubleshooting all that much more important. Before beginning troubleshooting on an EFI motor, make sure the basics are all true. Make sure the engine mechanically has good compression (refer to the Compression Check procedure that is a part of a regular Tune-Up). Make sure the fuel is not stale. Check for leaks or restrictions in the Lines and Fittings of the low pressure fuel circuit, as directed in this section under Fuel Tank and Lines. EFI systems cannot operate properly unless the circuits are complete and a sufficient voltage is available from the battery and charging systems. A quick-check of the battery state or charge and alternator output with the engine running will help determine if these conditions are adversely affecting EFI operation.
The last step fuel system troubleshooting is to adjust or rebuild and then adiust the carburetor. We say it is the last step, because it is the most in;olved repair procedures on the fuel system and should only be performed after all other possible causes of fuel system trouble have been eliminated. Many times fuel system troubles are caused by a plugged fuel filter, a defective fuel pump, or by a leak in the line from the fuel tank to the fuel pump.
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Aged fuel left in the carburetor and the formation of varnish could cause the needle to stick in its seat and prevent fuel flow into the bowl. A defective choke may also cause problems.
Would you believe, a majority of starting troubles, which are traced to the fuel system, are the result of an empty fuel tank or aged fuel. If fuel deliverv problems are susoected, refer to the testina orocedures in Fuel Tank and lhes to make sure the tank vent is working and that there are not leaks or restrictions that would prevent fuel from getting to the pump andlor carburetor(s). A blocked low-pressure fuel filter causes hard starting, stalling, misfire or poor performance. Typically the engine malfunction worsens with increased engine speed.
This filter prevents contaminants from reaching the lowpressure fuel pump. Models covered by this manual are usually equipped with a fuel filter screen under the pump inlet cover andlor (especially for integral tank models) on the fuel tank outlet (outlet valve or pickup tube, as applicable).
Refer to the Fuel Filter in the section on Maintenance and Tune- Up for more details on checking, cleaning or replacing fuel filters. The complexity of a modern marine vessel demands that you approach any problem in a logical, organized manner.
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There are certain troubleshooting techniques, however, which are standard: Establish when the problem occurs. Does the problem appear only under certain conditions? Were there any noises, odors or other unusual symptoms? Isolate the problem area.
To do this, make some simple tests and observations, then eliminate the systems that are working properly, Check for obvious problems, such as broken wires and loose or dirty connections. Always check the obvious before assuming something complicated is the cause. Test for problems systematically to determine the cause once the problem area is isolated. Are all the components functioning properly? Is there power going to electrical switches and motors? Performing careful, systematic checks will often turn up most causes on the first inspection, without wasting time checking components that have little or no relationship to the problem. Test all repairs after the work is done to make sure that the problem is fixed.
Some causes can be traced to more than one component, so a careful verification of repair work is important in order to pick up additional malfunctions that may cause a problem to reappear or a different problem to arise. A blown fuse, for example, is a simple problem that may require more than another fuse to repair. If you don't look for a problem that caused a fuse to blow, a shorted wire (for example) may go undetected and cause the new fuse to blow right away (if the short is still present) or during subsequent operation (as soon as the short returns if it is intermittent). Experience shows that most problems tend to be the result of a fairly simple and obvious cause, such as loose or corroded connectors, bad grounds or damaged wire insulation that causes a short. This makes careful visual inspection of components during testing essential to quick and accurate troubleshooting.
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