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Parsun F5BM Owner's Manual

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OUTBOARD MOTOR
OWNER'S MANUAL
F4BM (F5BM)
SUZHOU PARSUN POWER MACHINE CO., LTD

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Summary of Contents for Parsun F5BM

  • Page 1 OUTBOARD MOTOR OWNER’S MANUAL F4BM (F5BM) SUZHOU PARSUN POWER MACHINE CO., LTD...
  • Page 2 If there is any question concerning the manual, please consult your local PARSUN dealer. Data, illustrations or explanations in this Owner’s Manual do not constitute base for any legal claim against our company.
  • Page 3 Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your PARSUN dealer or for reference in case your outboard motor is stolen. 1. Outboard motor serial number location...
  • Page 4 Engine serial number The engine serial number is carved on the aluminum casting of engine. Engine serial number as follows: Manufacturer’s Declaration This outboard motor complies with the requirements of Directive 2003/44/EC in relation to the exhaust and noise emissions. The following installation and maintenance instructions, if applied, guarantee that the outboard motor will remain in compliance with: Exhaust emissions limits throughout the normal life or the engine (350 hours or 10 years, whichever occurs first) and under normal conditions of use.

  • Page 5: Table Of Contents

    Table of contents 1. Main components and General information……………………………………………………………1 1.1. Main components………………………………………………………………………………………1 1.2. General information……………………………………………………………………………………3 1.2.1. Specifications………………………………………………………………………………………3 Fueling instructions ………………………………………………………………………………4 1.2.2. 1.2.3. Propeller selection…………………………………………………………………………………5 2. Operation…………………………………………………………………………………………………6 2.1. Installation………………………………………………………………………………………………6 2.1.1 Mounting height……………………………………………………………………………………7 2.1.2 Clamping the outboard motor……………………………………………………………………8 Breaking in engine ……………………………………………………………………………………9 Pre-operation checks…………………………………………………………………………………10 Filling fuel………………………………………………………………………………………………11 Starting engine ………………………………………………………………………………………13...
  • Page 6 2.11.1. Tilting up …………………………………………………………………………………………25 2.11.2. Tilting down ……………………………………………………………………………………27 2.12 Cruising in other conditions ………………………………………………………………………29 2.12.1. Cruising in shallow water ………………………………………………………………………29 2.12.2. Cruising in salt water……………………………………………………………………………29 3. Maintenance……………………………………………………………………………………………30 Greasing ……………………………………………………………………………………………30 3.1. Cleaning and adjusting spark plug ………………………………………………………………31 3.2. 3.3. Checking fuel system………………………………………………………………………………31 Inspecting idling speed ……………………………………………………………………………32 3.4.
  • Page 7 Transporting and storing outboard motor……………………………………………………………43 Transporting …………………………………………………………………………………………43 4.1. 4.2. Storing………………………………………………………………………………………………44 5. Action in emergency …………………………………………………………………………………52 Impact damage ……………………………………………………………………………………47 5.1. Starter will not operate ……………………………………………………………………………52 5.2. Treatment of submerged motor …………………………………………………………………55 5.3. 6. Troubleshooting ………………………………………………………………………………………57 7. Circuit diagram ………………………………………………………………………………………57...

  • Page 8: Main Components And General Information

    1. Main components and General information 1.1 Main components 1. Top cowling 8. Clamp bracket 14. Carrying handle 21. Fuel tank* 15. Clamp screw 2. Top cowling lock handle 9. Tiller handle Note: * The fuel tank is 3. Steering friction screw 10.
  • Page 9 If your model includes a portable fuel tank, its parts are as follows: 1. Fuel tank cap 3. Air vent screw 2. Fuel joint 4. Fuel gauge If your model includes a built-in fuel tank, its parts are as follows: 1.

  • Page 10: General Information

    WARNING The fuel tank supplied with this engine could only be used as supply of fuel for its running and must not be as a fuel storage container. The fuel cock must be at close position while using portable fuel tank. Disconnect the fuel joint while using the built-in fuel tank.

  • Page 11: Fueling Instructions

    Performance Items Data Items Data Valve clearance IN 2.9Kw/4500Rpm(4HP) 0.08～0.12mm (cold engine) Maximum output Valve clearance EX 3.6Kw/5000Rpm(5HP) 0.08～0.12mm (cold engine) Full throttle operating range 4000～5000Rpm Tightening Spark plug 25.0Nm torque for Engine oil Idling speed (in neutral) 1500±50Rpm 20.0Nm engine drain bolt 1.2.2 Fueling instructions...

  • Page 12: Propeller Selection

    “PARSUN” dealers stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your application.

  • Page 13: Operation

    2. Operation 2.1 Installation Mount the outboard motor on the center line (keel line) of the boat. For boats without a keel or which are asymmetrical, consult your dealer. 1. center line (keel line) NOTE: During water testing check the buoyancy of the boat, at rest, with its maximum load. Check that the static water level on the exhaust housing is low enough to prevent water entry into the power head, when water rises due to waves when the outboard is not running.

  • Page 14: Mounting Height

    The optimum mounting height of the outboard motor is affected by the boat and motor combination and the desired use. Test runs at a different height can help determine the optimum mounting height. For further information, consult your “PARSUN” dealer or boat manufacturer.

  • Page 15: Clamping The Outboard Motor

    2.1.2 Clamping the outboard motor 1. Tighten the transom clamp screw evenly and securely. Occasionally check the clamp screws for tightness during operation of the outboard motor because they could become loose due to engine vibration. WARNING: Loose clamp screws could allow the outboard motor to fall off or move on the transom. This could cause loss of control.

  • Page 16: Breaking In Engine

    3. Secure the clamp bracket to the transom using the appropriate bolts. For details, consult your PARSUN dealer. WARNING: Avoid using bolts, nuts or washers inappropriate. After tightening, test running the engine and check their tightness. 2.2 Breaking in engine Your new engine requires a period of break-in to allow mating surfaces of moving parts to wear in evenly.

  • Page 17: Pre-Operation Checks

    2.3 Pre-operation checks Fuel Check to be sure you have plenty of fuel for your trip. Make sure there are no fuel leaks or gasoline fumes. Check fuel line connections to be sure they are tight. Be sure the fuel tank is positioned on a secure, flat surface, and that the fuel line is not twisted or flattened, or likely to contact sharp objects.

  • Page 18: Filling Fuel

    2. Check the oil level using the dipstick to be sure the level falls between the upper and lower marks. Fill with oil if it is below the lower mark, or drain to the specified level if it is above the upper mark. 1.
  • Page 19 2. Carefully fill the fuel tank. 3. Securely close the cap after filling the tank. Wipe up any spilled fuel. NOTE: The upper fuel level mark is indicated on the built-in fuel tank. 1. Upper level mark...

  • Page 20: Starting Engine

    2.5 Starting engine 1. Loosen the air vent screw on the fuel tank cap. One turn for built-in tank; 2 or 3 turns for the external fuel tank. 2. Open the fuel cock. Built in fuel tank External fuel tank...
  • Page 21 3. If you are using an external fuel tank, connect fuel joints securely and squeeze the primer pump with the outlet end up until you feel it become firm (if equipped with a fuel joint). 4. Place the gear shift lever in neutral. NOTE: The start-in-gear protection device prevents the engine from starting except when in neutral.
  • Page 22 WARNING: The engine must be started in neutral, otherwise damage to the engine can occur. Do not attach the lanyard to clothing that could tear loose. Do not route the lanyard where it could become entangled, preventing it from functioning. Avoid accidentally pulling the lanyard during normal operation.
  • Page 23 6. Pull out the choke knob fully. NOTE: It is not necessary to use the choke when starting a warm engine. If the choke is left in the “START” (start) position while the engine is running, the engine will run poorly or stall. 7.

  • Page 24: Warming Up Engine

    8. After the engine starts, slowly return the manual starter handle to its original position before releasing 9. Slowly return the throttle grip to the fully closed position. CAUTION: When the engine is cold, it needs to be warmed up. If the engine does not start on the first try, repeat the procedure.

  • Page 25: Shifting

    If water is not flowing out of the hole at all times while the engine is running, stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked. If the problem cannot be located and corrected, consult your PARSUN dealer. 2.7 Shifting WARNING: Before shifting, make sure there are no swimmers or obstacles in the water near you.

  • Page 26: Reverse

    2. Move the gear shift lever quickly and firmly from neutral to forward. 2.7.2 Reverse WARNING: When operating in reverse, go slowly. Do not open the throttle more than half. Otherwise the boat could become unstable, which could result in loss of control and an accident. 1.

  • Page 27: Tiller

    2. Move the gear shift lever quickly and firmly from neutral to reverse. NOTE: The outboard motor can turn 360° in its bracket (full-pivot system). The boat can also be backed up by simply turning the outboard motor around 180° with the steering handle facing toward you.
  • Page 28 2. Change speed. Turn the grip counterclockwise to increase speed and clockwise to decrease speed. 3. Throttle indicator The throttle indicator is on the throttle grip. The fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation.

  • Page 29: Stopping Engine

    adjuster counterclockwise. When constant speed is desired, tighten the adjuster to maintain the desired throttle setting. WARNING: Do not over-tighten the friction adjuster. If there is too much resistance, it could be difficult to move throttle lever or grip, which could result in an accident. 2.9 Stopping engine NOTE: Before stopping the engine, first let it cool off for a few minutes at idle or low speed.
  • Page 30 NOTE: If the outboard motor is equipped with an engine stop switch lanyard, the engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop switch. 2. Tighten the air vent screw on the fuel tank cap and set the fuel cock lever or knob to the closed position.

  • Page 31: Trimming Outboard Motor

    2.10 Trimming outboard motor There are 4 or 5 holes provided in the clamp bracket to adjust the outboard motor trim angle. 1. Stop the engine. 2. Remove the trim rod from the clamp bracket while slightly tilting the outboard motor up. 3.

  • Page 32: Tilting Up

    Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows, the outboard motor should be tilted up to protect the propeller and casing from damaged by collision with obstructions, and also to reduce corrosion. WARNING: Be sure all people are clear of the outboard motor when tilting up and down, also be careful not to pinch any body parts between the drive unit and engine bracket.
  • Page 33 2. Tighten the steering friction adjuster by turning it clockwise to prevent the motor from turning freely. 3. Tighten the air vent screw. On models equipped with a fuel joint, disconnect the fuel line form the outboard motor.

  • Page 34: Tilting Down

    4. Close the fuel cock. 5. Hold the rear handle and tilt the engine up fully until the tilt support lever automatically locks. 2.11.2 Tilting down Slightly tilt the outboard motor up.
  • Page 35 Slowly tilt the outboard motor down while pulling the tilt support bar lever up. Loose the steering friction adjuster by turning it counterclockwise, and adjust the steering friction according to operator preference. WARNING: If there is too much resistance it could be difficult to steer, which could result in an accident.

  • Page 36: Cruising In Other Conditions

    2.12 Cruising in other conditions 2.12.1 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water. WARNING: The tilt lock mechanism does not work while the shallow water cruising system is being used. Run the boat at the lowest possible speed to avoid the outboard motor being lifted out of the water, resulting in loss of control.

  • Page 37: Maintenance

    Be sure to turn off the engine when you perform maintenance unless otherwise specified. This work should always be done by a qualified mechanic or your authorized PARSUN dealer. CAUTION: If replacement parts are necessary, use only genuine PARSUN parts or appropriate parts of the same type and quality. 3.1 Greasing...

  • Page 38: Cleaning And Adjusting Spark Plug

    3.3 Checking the fuel system 1. Check the fuel lines for leaks, crack, or malfunction. If a problem is found, contact your PARSUN dealer and have this repaired immediately.

  • Page 39: Inspecting Idling Speed

    WARNING: Check for fuel leakage regularly. If any fuel leakage is found, the fuel system must be repaired by a qualified mechanic. 2. Check the fuel filter periodically. If foreign matter is found in the filter, replace it. CAUTION: The fuel filter is one piece, disposable spare part. 3.4 Inspecting idling speed A diagnostic tachometer should be used for this procedure.

  • Page 40: Changing Engine Oil

    Correct idling speed inspection is only possible if the engine is fully warmed up. If not warmed up fully, the idle speed will measure higher than normal. If you have difficulty verifying the idle speed, or the idle speed requires adjustment, consult a PARSUN dealer or other qualified mechanic. 3.5 Changing engine oil WARNING: Avoid draining the engine oil immediately after stopping the engine.

  • Page 41: Checking Wiring And Connectors

    3.7 Checking for leakage Check that no exhaust or water leaks from the joints between the exhaust cover, cylinder head, and body cylinder. Check for oil leaks around the engine. CAUTION: If any leaks are found, consult your PARSUN dealer.

  • Page 42: Checking Propeller

    3.8 Checking propeller WARNING: Before inspecting, removing or installing the propeller, always take actions to ensure the engine does not accidentally start, such as removing the spark plug caps from the spark plugs, placing the shift control in neutral, and removing the lanyard from the engine stop switch, etc..

  • Page 43: Removing The Propeller

    3. Check the splines/shear pin for wear or damage. 4. Check for fish line tangled around the propeller shaft. 5. Check for the propeller shaft oil seal for damage. 3.8.1 Removing the propeller 1. Straighten the cotter pin and pull it out using a pair of pliers. 2.

  • Page 44: Changing Gear Oil

    3. Install the spacer (if equipped) and the washer. 4. Tighten the propeller nut. Align the propeller nut with the propeller shaft hole. Insert a new cotter pin in the hole and bend the cotter pin ends. 3.9 Changing gear oil WARNING: Be sure the outboard motor is securely fastened to the transom or a stable stand.

  • Page 45: Cleaning Fuel Tank

    Inspect the used oil after it has been drained. If the oil is milky, water is getting into the gear case which can cause gear damage. Consult your PARSUN dealer. 5. Use a flexible or pressurized filling device, inject the gear oil into the gear oil drain screw hole.

  • Page 46: Checking And Replacing Anode(S)

    3.11 Checking and replacing anode(s) Inspect the external anodes periodically. Remove scales from the surfaces of the anodes. Consult a PARSUN dealer for replacement of external anodes. CAUTION: Do not paint anodes, as this would render them ineffective and can cause more rapid engine...

  • Page 47: Checking Top Cowling

    3.12 Checking top cowling Check the fitting of the top cowling by pushing it with both hands. If it is loose have it repaired by your PARSUN dealer. 3.13 Maintenance table When utilized under normal condition, maintained and repaired in the proper manner, the outboard motor can work normally within the normal life period.
  • Page 48 The “●” symbol indicates the check-ups which you may carry out by yourself. The “○” symbol indicates work to be carried out by your PARSUN dealer. Initial Every 10 hours 50 hours 100 hours 200 hours Item Operations ( 1 month )
  • Page 49 Continuation /…1 Initial Every Item Operations 10 hours 50 hours 100 hours 200 hours ( 1 month ) (3 months) (6 months) ( 1 year ) Idling speed ●/○ ●/○ Check/adjustment (carburetor models) ● ● Propeller and cotter pin Check/replacement ○...

  • Page 50: Transporting And Storing Outboard Motor

    4 Transporting and storing 4.1 Transporting The outboard motor should be upright as shown in the following figure 1 when be in transit. If the engine must be laid down, please be sure to put it as shown in the following figure 2 or figure 3 when be in transit. CAUTION: Do not use the tilt support lever or knob when trailering the boat.

  • Page 51: Storing

    Store the outboard motor in a dry, well-ventilated place, not in direct sunlight. It is advisable to have your outboard motor serviced by an authorized PARSUN dealer prior to storage. However, you, the owner, with a minimum of tools, can perform the following procedures.
  • Page 52 5. Fill the tank with fresh water to above the level of the anti-cavitation plate. CAUTION: If the fresh water level is below the level of the anti-cavitation plate, or if the water supply is insufficient, engine seizure may occur. 6.
  • Page 53 CAUTION: Portable fuel tank equipped models: Store the portable fuel tank in a dry, well-ventilated place, not in direct sunlight.

  • Page 54: Action In Emergency

    2. Inspect the control system and all components for damage. 3. Whether damage is found or not, return to the nearest harbor slowly and carefully. 4. Have a PARSUN dealer inspect the outboard motor before operating it again. 5.2 Starter will not operate If the starter mechanism does not operate, the engine can be started with an emergency starter rope.
  • Page 55 Do not touch the ignition coil, spark plug wire, spark plug cap, or other electrical components when starting or operating the motor. The procedure is as follows: 1. Remove the top cowling. 2. Remove the start-in-gear protection cable and the choke cable. 1.
  • Page 56 4. Reinstall two bolts to secure the fuel tank. 5. Prepare the engine for starting. For further information, see section 2.5. 6. Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns around the flywheel clockwise.

  • Page 57: Treatment Of Submerged Motor

    8. Give a strong pull straight out to crank and start the engine. Repeat it necessary. 5.3 Treatment of submerged motor If the outboard is submerged, immediately take it to a PARSUN dealer. Otherwise some corrosion may begin almost immediately.
  • Page 58 5. Feed engine fogging oil or engine oil through the carburetor(s) and spark plug holes while starting the engine. 6. Take the outboard motor to a PARSUN dealer as soon as possible. CAUTION: Do not attempt to run the outboard motor until it has been completely inspected.

  • Page 59: Starter Will Not Operate

    6. Troubleshooting Trouble type Possible reason Recovery action Starter components are faulty Have serviced by your dealer Starter will not operate Shift level is not in neutral Shift to neutral Fuel tank is empty Fill tank with clean, fresh fuel Fuel is contaminated or stale Fill tank with clean, fresh fuel Fuel filter clogged...
  • Page 60 Continuation /…1 Trouble type Possible reason Recovery action Check for pinched or kinked fuel line or Fuel system is obstructed other obstructions in fuel system Fuel is contaminated or stale Fill tank with clean, fresh fuel Fuel filter clogged Replace with recommended type Spark plug gap is incorrect Inspect and adjust as specified Check wires for wear or breaks.
  • Page 61 Continuation /…2 Trouble type Possible reason Recovery action Propeller is damaged Repair or replace propeller Adjust trim angle to achieve most Trim angle is incorrect efficient operation Motor is mounted at incorrect transom Adjust motor to proper transom height height Boat bottom is fouled with marine growth Clean boat bottom Weeds or other foreign matter are tangled...
  • Page 62 Continuation /…3 Trouble type Possible reason Recovery action Thermostat is faulty or clogged Have serviced by your dealer Air vent screw on fuel tank is closed Open air vent screw Engine power Fuel pump has malfunctioned Have serviced by your dealer loss Fuel joint connection is incorrect Connect correctly...

  • Page 63: Circuit Diagram

    7. Circuit diagram Engine stop switch Spark plug black Ignitor ass'y white DESCRIPTION...

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