Parsun T4BM, Owner'S Manual

Page 1: ...OUTBOARD MOTOR OWNER S MANUAL T4BM T5BM T5 8BM SUZHOU PARSUN POWER MACHINE CO LTD...

Page 2: ...nance and care This will ensure that your outboard motor is operated well under various conditions z PARSUN seeks continuous improvement in product quality Therefore while this manual contains the mos...

Page 3: ...e found on the bracket left assembly or on the upper part of the bracket swivel Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your PARSUN d...

Page 4: ...Engine serial number The engine serial number is carved on the aluminum casting of engine Serial number as follows...

Page 5: ...ing height 8 2 1 2 Clamping the outboard motor 9 2 2 Breaking in engine 10 2 3 Pre operation checks 12 2 4 Filling fuel 13 2 5 Starting engine 14 2 6 Warming up engine 17 2 7 Shifting 18 2 7 1 Forward...

Page 6: ...er 30 3 7 1 Removing the propeller 31 3 7 2 Installing the propeller 31 3 8 Changing gear oil 32 3 9 Cleaning fuel tank 33 3 10 Checking and replacing anode s 34 3 11 Checking top cowling 35 3 12 Main...

Page 7: ...owling lock levers 9 Engine stop button Engine 15 Choke knob 3 Anti cavitation plate stop lanyard switch 16 Gear shift lever 4 Propeller 10 Starter handle 17 Trim rod 5 Cooling water inlet 11 Fuel joi...

Page 8: ...k its parts are as follows 2 4 1 3 1 Fuel tank cap 3 Air vent screw 2 Fuel joint 4 Fuel gauge WARNING z The fuel tank supplied with this engine could only be used as supply of fuel for its running and...

Page 9: ...nded engine oil 2 stroke engine oil Overall width 310mm Recommended gear oil Hypoid gear oil SAE 90 Overall height S 1014mm Gear oil quantity 195 cm 3 Overall height L 1141mm Spark plug BPR7HS Weight...

Page 10: ...s or other sources of ignition z Stop engine before refueling z Refuel in a well ventilated area Refuel portable fuel tanks off the boat z Do not overfill the fuel tank z Take care not to spill gasoli...

Page 11: ...ION Be sure to mix gasoline and oil completely otherwise the engine may be damaged 1 2 3 Propeller selection The performance of your outboard motor will be critically affected by your choice of propel...

Page 12: ...eater boat load and a low engine speed a smaller pitch propeller is more suitable Conversely a large pitch propeller is more suitable for a smaller operating load as it enables the correct engine spee...

Page 13: ...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 WARNING z Overpowering a boat could c...

Page 14: ...this section is intended as reference only Proper mounting depends in part on experience and the specific boat and motor combination 2 1 1 Mounting height The mounting height of the outboard motor gre...

Page 15: ...mp screws for tightness during operation of the outboard motor because they could become loose due to engine vibration CAUTION Outboards that use clamp bracket screws alone Are INSUFFICIENT to properl...

Page 16: ...t if it accidentally falls off the transom 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 inappr...

Page 17: ...even severe engine damage 1 First 10 minutes Run the engine at idle 2 Next 50 minutes Run the engine at 3000 r min or at approximately half throttle 3 Next 2 hours of operation Run the engine at 4000...

Page 18: ...ttle shift and steering for proper operation before starting the engine z The controls should work smoothly without binding or unusual free play z Look for loose or damaged connections z Check operati...

Page 19: ...ur 2 4 Filling fuel WARNING Gasoline and its vapors are highly flammable and explosive Keep away from sparks cigarettes flames or other sources of ignition 1 Remove the fuel tank cap 2 Carefully fill...

Page 20: ...urns 2 Connect fuel joints securely and squeeze the primer pump with the outlet end up until you feel it become firm if equipped the fuel joint 3 Place the gear shift lever in neutral WARNING z The en...

Page 21: ...control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The start in gear protection device prevents the engine from sta...

Page 22: ...ting a warm engine z If the choke is left in the START start position while the engine is running the engine will run poorly or stall 6 Pull the manual starter handle slowly until you feel resistance...

Page 23: ...does not start on the first try repeat the procedure z If the engine fails to start after 4 or 5 tries open the throttle a small amount between 1 8 and 1 4 and try again 2 6 Warming up engine 1 After...

Page 24: ...ot hole is blocked z If the problem cannot be located and corrected consult your dealer 2 7 Shifting WARNING Before shifting make sure there are no swimmers or obstacles in the water near you CAUTION...

Page 25: ...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 Place the throttle trip in the fully closed position 2 Move the...

Page 26: ...ncrease 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...

Page 27: ...er 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 eng...

Page 28: ...ne if you are using an external fuel tank 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...

Page 29: ...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 an...

Page 30: ...in neutral if equipped and face the outboard motor forward 2 Tighten the steering friction adjuster by turning it clockwise to prevent the motor from turning freely 3 Tighten the air vent screw Discon...

Page 31: ...p 2 Slowly tilt the outboard motor down while pulling the tilt support bar lever up 1 tilt support bar lever 1 3 Loose the steering friction adjuster by turning it counterclockwise and adjust the stee...

Page 32: ...he water resulting in loss of control z Return the outboard motor to its normal position as soon as the boat is back in deeper water CAUTION The cooling water inlet on the lower unit should be not abo...

Page 33: ...gine when you perform maintenance unless otherwise specified If you or the owner is not familiar with machine servicing this work should be done by your PARSUN dealer or other qualified mechanic CAUTI...

Page 34: ...ge adjust the gap to specification if necessary ays clean the When fitting the plug alw t Wipe off any dirt from the threads and screw in the spark plug to orrect torque 1 Check the fuel lines for lea...

Page 35: ...050 50Rpm CAUTION d g speed insp Correct i up fully lin ection is only possible if the engine is fully warmed up If not warmed ach ground or is engaged securely Check that no exhaust or water he exhau...

Page 36: ...in neutral and removing the lanyard from the engine stop switch etc Serious accident could occur if the engine starts when you are nearby z nut Put a wood block between the anti cavitation plate and...

Page 37: ...r shaf 5 3 7 1 Removing the propeller pull it out using a pair of pliers 2 Remove the propeller nut washer and spacer if equipped 3 Remove the propeller and thrust washer 1 Cotter pin 2 Propeller nu 3...

Page 38: ...t pin in the hole and bend the cotter pin ends z utboard motor is ansom or a stable stand z er unit while the outboard motor is tilted even when the tilt support lever or knob is locked Serious injury...

Page 39: ...he oil level plug hole insert and tighten the oil level plug If necessary change the seal spacer Insert and tighten the gear oil drain screw 7 If necessary change the seal spacer 3 9 Cleaning fuel tan...

Page 40: ...the gasket with a new one Reinstall the fuel joint assembly and tighten the screws firmly 3 10 Checking and replacing anode s odes periodically Remove scales from the surfa ARSUN dealer for replacemen...

Page 41: ...3 11 owling Check the fitting of the top co If it is loose have it repaired by your PA Checking top c wling by pushing it with both hands RSUN dealer 35...

Page 42: ...ollowing table gives general guidelines The symbol indicates the check ups whi The symbol indicates work to be carried out by your PARSUN dealer Initial Item Operations 10 hour 0 hours 100 hou 0 hours...

Page 43: ...or m Propeller and cott pin er Check replacement Shift link shift cable Check adjustment Thermostat Check Throttle li cable nk throttle adjustment throttle pick up timing Check Water pump Check Spark...

Page 44: ...vice CAUTION Do not use the tilt support lever or knob when trailing the boat all The outboard motor could shake loose from the tilt support and f WARNING z er the lower unit while it is tilted even i...

Page 45: ...n perform the following procedures CAUTION lace the outboard motor on its side before the cooling water has drained from it z Do not p completely Store the outboard motor in a dry well ventilated plac...

Page 46: ...s away from the flywheel and other rotating parts Do not touch or remove electrical parts when starting or du while the engine is running 7 ne at a fast idle for a few minutes in neutral position 8 Ju...

Page 47: ...11 Drain the fuel from the fuel tank completely CAUTION ore the Portable f not uel tank equipped models St portable fuel tank in a dry well ventilated place in direct sunlight 41...

Page 48: ...e can be starte WARNING z z When the emergency starter rope is used to start the engine the start in gear p Use this procedure only in an emergency and only to return to port for repairs rotection dev...

Page 49: ...2 Remove the start in gear protection rod 1 3 Remove the starter cover after removing olts the three b 4 Prepare the engine for starting For further information see section 2 5 5 Insert the knotted en...

Page 50: ...cessary 5 3 Treatment of submerged motor If the outboard is submerged immediately take it to a PARSUN dealer contaminants with fresh water 2 Remove the spark plug s then face the spark plug hole downw...

Page 51: ...5 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 45...

Page 52: ...lug s Clean or replace with recomm Spark plug cap s fitted incorrectly Check and re fit cap s Ignition wiring damaged or poorly connected ighten worn Check wires for wear or breaks T all loose connect...

Page 53: ...logged Have serviced by your dealer Carburetor adjustments are incorrect Have serviced by your dealer Carburetor is clogged Have serviced by your dealer Fuel pump is damaged Have serviced by your deal...

Page 54: ...ecommended Clea type Fuel is contaminated or stale Fill tank with clean fresh fuel Spark plug gap is incorrect Inspect and adjust as specified Ignition wiring is damaged or poorly ighten all roken con...

Page 55: ...ler Propeller shaft is damaged Have serviced by your dealer Weeds or other foreign matt tangled er are on propeller Remove and clean propeller Motor mounting bolt is loose Tighten bolt Steering pivot...

Page 56: ...L MAGNETO RED WHITE WHITE WHITE WHITE BLACK STOP SWITCH BLACK RED BLACK RED WHITE WHITE SEPARATE CORD SPARK PLUG C D I RED WH The circuit diagram of T4 5 5 8hp outboard motor 7 Circuit diagram ITE PUL...