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FX651V
FX691V
FX730V
4-Stroke Air-Cooled V-Twin Gasoline Engine
OWNER'S MANUAL

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Table of Contents

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   Summary of Contents for Kawasaki FX651V

  • Page 1 FX651V FX691V FX730V 4-Stroke Air-Cooled V-Twin Gasoline Engine OWNER’S MANUAL...
  • Page 2 READ THE OPERATING INSTRUCTIONS OF THE EQUIPMENT THIS ENGINE POWERS. © 2008 Kawasaki Heavy Industries, Ltd. (1): Dec. 2010. (M) Apr. 2016 (5) (M)
  • Page 3 Always remove the spark plug caps from spark plugs when servicing the engine to prevent acci- dental starting. Read warning labels which are on the engine and understand them. If any label is missing, damaged, or worn get a replacement from your Kawasaki engine dealer and install it in the correct position.
  • Page 4: Emission Control Information

    U.S.A. Emission Control Information To protect the environment in which we all live, Kawasaki has incorporated an exhaust emission control sys- tem in compliance with applicable regulations of the United States Environmental Protection Agency and the California Air Resources Board.
  • Page 5 Resources Board (CARB) approved modifications. High altitude adjustment requires replacement of carburetor High Altitude Performance Adjustment Information main jets. Installation of these optional parts may be performed by an authorized Kawasaki dealer, or the main jets. Installation of these optional parts may be performed by an authorized Kawasaki engine dealer or...
  • Page 6 Kawasaki dealer for remedy under warranty. Please read the warranty carefully, and keep it valid by complying with the owner’s obligations it contains. Tampering with Emission Control System Prohibited Federal law and California State law prohibit the following acts or the causing thereof: (1) the removal or...
  • Page 7 Kawasaki Heavy Industries, Ltd., Motorcycle & Engine Company. Although every possible care has been taken to make this manual as complete and accurate as possible, Kawasaki cannot guarantee against errors and omissions. Due to improvements in design and performance during production, procedures and specifications are subject to change without prior notice.
  • Page 8: Table Of Contents

    TABLE OF CONTENTS GENERAL INFORMATION......Engine Speed Adjustment......Label Location ..........MAINTENANCE ..........Parts Location ..........Periodic Maintenance Chart ......Tune-up Specifications ........Oil Level Check ..........Engine Oil Capacity........Oil Change ............ FUEL AND OIL RECOMMENDATIONS ..Oil Filter Change ........... Air Cleaner Service ........
  • Page 9: General Information

    GENERAL INFORMATION GENERAL INFORMATION Label Location 1. Warning Label 2. Important Engine Information Label 3. Engine Maintenance Label 4. Engine Serial Number Label The engine serial number is your only means of identifying your particular engine from others of the same model type.
  • Page 10: Parts Location

    GENERAL INFORMATION Parts Location G. Fuel Pump H. Fuel Filter I. Electric Starter J. Voltage Regulator A. Air Cleaner B. Air Inlet Guard C. Oil Drain Plug D. Oil Filter E. Spark Plugs/Spark Plug Caps F. Oil Gauge K. Control Panel L.
  • Page 11: Tune-up Specifications

    Tune-up Specifications Engine Oil Capacity ITEM Specifications Engine Oil Capacity 1.8 L (1.9 US·qt) Ignition Timing Unadjustable FX651V [when oil filter is not removed] Spark Plugs: NGK BPR4ES FX691V 2.1 L (2.2 US·qt) 2.0 L (2.1 US·qt) 0.75 mm (0.030 in)
  • Page 12: Fuel And Oil Recommendations

    FUEL AND OIL RECOMMENDATIONS FUEL AND OIL RECOMMENDATIONS Oxygenated Fuel Fuel Oxygenates (either ethanol or MTBE) are added to the gasoline. If you use the oxygenated fuel be Use only clean, fresh, unleaded regular grade sure it is unleaded and meets the minimum octane gasoline.
  • Page 13: Engine Oil

    FUEL AND OIL RECOMMENDATIONS FUEL AND OIL RECOMMENDATIONS 13 NOTE Engine Oil Engine Oil ○ Using multi grade oils (5W-20, 10W-30, and 10W -40) will increase oil consumption. Check oil level The following engine oils are recommended. The following engine oils are recommended. more frequently when using them.
  • Page 14: Preparation

    Do not fill above the “FULL” mark. Excess oil will cause a smoking condition, and may cause the engine to overheat. Engine Oil Capacity 1.8 L (1.9 US·qt) FX651V [when oil filter is not removed] FX691V 2.1 L (2.2 US·qt) 2.0 L (2.1 US·qt)
  • Page 15 PREPARATION CAUTION The engine is shipped without engine oil.
  • Page 16: Starting

    STARTING STARTING NOTE Starting the Engine ○ Follow the operating instructions of the equipment this engine powers. • WARNING Before starting the engine, disconnect all possible external loads. Exhaust gases contain carbon monoxide, a Open the fuel valve (A) on the equipment. colorless, odorless, poisonous gas.
  • Page 17 STARTING CAUTION Whenever you start engine, make sure warn- ing lamp is not illuminated after engine starts. If warning lamp comes on, stop engine immediately and check oil level (If equipped). • After starting the engine, gradually return the choke lever to the fully open position.
  • Page 18: Operating

    OPERATING OPERATING Warming Up Engine Inclination After the engine starts, move the throttle lever (A) This engine will operate continuously at angles up on the equipment to halfway between “FAST” and to 25° in any direction. “SLOW”. Refer to the operating instructions of the equip- To warm up the engine, run it for 3 to 5 minutes ment this engine powers.
  • Page 19: Stopping

    STOPPING STOPPING Emergency Stop • Stopping the Engine Immediately turn the engine switch or the switch key to “OFF” position. Close the fuel valve on the equipment. WARNING For Control Panel Switch Type, move the throttle Always remove Engine Key from switch lever on the equipment to its low speed end.
  • Page 20: Adjustment

    ADJUSTMENT ADJUSTMENT Throttle Cable Installation, Adjustment Choke Cable Installation, Adjustment • • Link the throttle cable (G) to the speed control Link the choke cable (K) to the choke control lever lever (C) and loosely clamp the throttle cable outer (D), and loosely clamp the choke cable outer housing (F) with the cable clamp bolt (A).
  • Page 21: Engine Speed Adjustment

    ○ If any adjustment is necessary, it must be per- formed by your authorized Kawasaki Engine formed by an authorized Kawasaki engine dealer dealer. or equally qualified service facility.
  • Page 22: Periodic Maintenance Chart

    The service intervals can be used as a guide. Service more frequently as necessary by operating conditions. ♦ : Service more frequently under dusty conditions. K : Service to be performed by an authorized Kawasaki dealer. Service to be performed by an authorized Kawasaki engine dealer or equally qualified service facility. INTERVAL INTERVAL...
  • Page 23 MAINTENANCE INTERVAL INTERVAL MAINTENANCE Every Every Every Every Every Every MAINTENANCE First Every Every Every Every Every Every Every Daily Daily 50 hr. 100 hr. 200 hr. 250 hr. 300 hr. 500 hr. 8 hr. 25 hr. 50 hr. 100 hr. 200 hr.
  • Page 24: Oil Level Check

    Check oil level daily and before each time of oper- ation. Be sure oil level is maintained. See “PREPA- RATION” chapter. Engine Oil Capacity 1.8 L (1.9 US·qt) FX651V [when oil filter is not removed] FX691V 2.1 L (2.2 US·qt) 2.0 L (2.1 US·qt)
  • Page 25: Oil Change

    MAINTENANCE MAINTENANCE Oil Change Oil Change Change oil after first 8 hours of operation.There- Change oil every 100 hours. after change oil every 100 hours. Change oil after first 8 hours of operation.There- • after change oil every 100 hours. Run the engine to warm oil.
  • Page 26: Oil Filter Change

    MAINTENANCE Oil Filter Change • Change the oil filter every 200 hours of operation. WARNING Hot engine oil can cause severe burns. Allow engine temperature to drop from hot to warm level before attempting to remove oil filter. • Drain engine oil into a suitable container (C). CAUTION A.
  • Page 27: Air Cleaner Service

    MAINTENANCE • Replace the secondary element with a new one Air Cleaner Service every 500 hrs. Cap (Dust Ejector Valve) Heavy Duty Air Cleaner Push and open the cap (F) on the case of the air This air cleaner elements are not recommended to cleaner body to expel dust and/or water accumu- be cleaned.
  • Page 28 MAINTENANCE • Install the new air cleaner elements into the air cleaner body. • Reinstall the case and the cap (F) then securely fasten the two retaining clamps. D. Primary Element E. Secondary Element...
  • Page 29: Spark Plug Service

    MAINTENANCE Spark Plug Service WARNING Hot engine components can cause severe burns. Stop engine and allow it to cool before check- ing spark plugs. Clean or replace the spark plugs and reset spark plug gap (A) every 100 hours of operation. •...
  • Page 30: Fuel Filter And Fuel Pump Service

    MAINTENANCE • The fuel filter can not be disassembled. If the fuel Fuel Filter and Fuel Pump Service filter gets clogged, replace it with a new one. The fuel pump can not be disassembled. If the fuel pump fails, replace it with a new one. WARNING Improper use of solvents can result in fire or an explosion.
  • Page 31: Cooling System Cleaning

    cleaning, remove the guard (A), air inlet screen (C) then remove the fan housing (E) and engine shrouds MAINTENANCE (F) (includes removing the air cleaner, fuel pump, and the voltage regulator parts) if necessary. [Bolts Size, Tightening Torque] CAUTION Cooling System Cleaning Bolts Size Length Tightening torque Do not run engine before all cooling system 12 mm 5.9 N·m (0.6 kgf·m, 52 in·lb)
  • Page 32: Storage

    ● Put a pan under the carburetor and loosen the • When not operating your Kawasaki engine more Engines to be stored over 30 days should be com- engine to use up the fuel in the carburetor. To remove the fuel from the carburetor, run the...
  • Page 33 STORAGE A. Spark Plug Hole...
  • Page 34: Troubleshooting Guide

    TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE If the engine malfunctions, carefully examine the symptoms and the operating conditions, and use the table below as a guide to troubleshooting. Symptom Probably Cause Remedy Engine won’t Insufficient Faulty pistons, cylinders, piston rings, start or output is compression and head gaskets Faulty valves...
  • Page 35 Faulty governor won’t increase Service to be performed by an authorized Kawasaki engine dealer or equally qualified service facility. K: Service to be performed by an authorized Kawasaki dealer. M: For Control Panel Switch Type, move the throttle lever on the equipment away from its low speed end...
  • Page 36: Environmental Protection

    To protect our environment, properly discard used batteries, engine oil, gasoline, coolant, or other compo- nents that you might dispose of in the future. Consult your authorized Kawasaki engine dealer or local environmental waste agency for their proper dis- Consult an authorized Kawasaki engine dealer or equally qualified service facility or local environmental posal procedure.
  • Page 37: Specifications

    SPECIFICATIONS SPECIFICATIONS FX651V, FX691V, FX730V Type Air-cooled, 4-stroke OHV, V-twin cylinder, gasoline engine Bore × Stroke 78 × 76 mm (3.07 × 2.99 in.) Displacement 726 mL (44.3 cu.in) Ignition System Solid-state ignition Direction of Rotation Counterclockwise facing the PTO Shaft...
  • Page 38: Wiring Diagram

    WIRING DIAGRAM WIRING DIAGRAM NOTE Wiring Diagram ○ Portion Surrounded by hatching Shows Kawasaki Procurement Parts. WARNING For electrical safety, always remove cable from negative (–) side of battery before at- tempting any repair or maintenance. Battery Capacity Recommended Battery Capacity...
  • Page 39 The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For repair / warranty assistance please contact your local Kawasaki Authorized Dealer, email: kawpower-website@kmc-usa.com or call toll-free 1-877-364-6404 Printed in Japan...

This manual is also suitable for:

Fx691vFx730v

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