TOHATSU 2 Stroke 5BS, Owner'S Handbook Manual

Page 1: ...OWNER S WAND E3 00...

Page 2: ...se instructions and get to know what a fine engine it is Like any other piece of machinery it requires careful and know ledgeable attenlion and in return it will give you excellent service over the ye...

Page 3: ...81 WARM UP 3 BREAKING IN A NEW ENGINE 4 HOWTOOPERATE _ _ 5 INSPECTION ADJUSTMENT II INSPECTION 5 SEAVICING 1 TROUBLESHOOTING 2 AFTER COMPLETING DAY S RUNNING Ill OUT OF SEASON STORAGE III I OPTIONAL E...

Page 4: ...SPECIFICATIONS Recommended operating Range 4 500 5 5Wr rn Fuel Conr mDrion at Marimum Speed 2 5 P h Gear Reducrion a 2 15 12 131 OPTlONAL PARTS Propeller Lighting Coil 12 4OWI Rectifier Kit...

Page 5: ...MAIN PARTS...

Page 6: ...s 50 parts gasoline to 1 part oil 150 For initial break in of a new engine the mixture should be 20 1 for the first ten hours operation 3 If you are using commercial two stroke 2T oil use the ratio 2O...

Page 7: ...the drive shaft housing at maximum speed is vertical to the surface of the water Fig 5 6 Note When set or remove the motor on the boat by hand hold the lower motor cover but do not hold the tilt handl...

Page 8: ...ig 7 2 M50S Separate tank type Plug in the fuel connector A Open the fuel cock and the air vent screw on the fuel tank cap and squeeze the primer bulb about 10 times to fill the carburetor bowl Fig 81...

Page 9: ...gine cannot be started unless the shift lever is in the NEUTRAL position Fig 9 3 Turn the throttle grip on the steering handle to the START arrow marked position Pull out the choke knob Note Do not pu...

Page 10: ...ngage Then give it a sharp tug cooling water checking port When starting the engine push the choke knob Fig 12 back then return the grip to SLOW position and run the engine to warm up for sever 4 minu...

Page 11: ...extremely important to pay attention to the iallowing points al Warm up the engine for several minutes at slow RPM after starting bl Do not race the engine but cruise at low to medium speeds Never fu...

Page 12: ...t high speed This will result in damage to the engine Note that if you hit an obstacle while running in REVERSE with full throttle you can easily damage the propeller swivel bracket and stern bracket...

Page 13: ...wly by about 40 and then return the motor down the motor will be automatically set at the shallow rater operation angle Fig 16 Cautions In a case of operation in a shallow water run at slow trolling s...

Page 14: ...e and then place shift lever at With the shift lever in Neutral or Forward tilt the NEUTRAL Then press the safety switch until the motor fully up using the tilt handle The motor will engine completely...

Page 15: ...ig 19 5 INSPECTION ADJUSTMENT 1 Fuel swtem o Check fhe fuel tank to see that it contains sufficient fuel Check that the air vent of the tank cap is clear Check the primer bulb and integral tank for cr...

Page 16: ...round the flywheel will short or weak the spark and the engine will not Fig 23 fire Keep the plug clean at all times Fig 22 Too muchfuel If the cylinder is flooded with fuel the plug cannot ignite as...

Page 17: ...seize up due to overheating If cooling water is not being discharged stop the engine and check the cooling water system Fig 24 5 When increasing vibration abnormally 1 Check the clamp screws for tight...

Page 18: ...TROUBLE SHOOTING The following check list will help you to locate the source of trouble and to take the necessary repair action Remember your local TOHATSU dealer will always be happy IO give you assi...

Page 19: ...oooc 0 oooooc 00000000 00000000 0 000000 00000000 3 0000000 The ensine fails to The engine rotate at abnormally hig The engine rotate at abnormally IOU The engine runs ilOWlV The engine Poor accelera...

Page 20: ...000 The engine will not idle 0 0 0 00 0 0 0 0 0 0 Poor acceleration 0000000 The engine rotate at abnormally Kg 00 00 0000 The engine rotate at abnormally low 00000000000 The engine runs SIOWIV 0000000...

Page 21: ...er 1 Wash all external surfaces with fresh water dry and wipe with an oily rag Oil all sliding parts 2 To wash out the cooling system first remove the propeller and place the unit vertically in a larg...

Page 22: ...o your local dealer for service 1 Take out of the water and completely wash with fresh water If it dropped into sea water remove all traces of salt 2 Remove the Spark Plug and drain all the water 3 In...

Page 23: ...ropeller is worn out or bent the motor is not oil flows out of the upper plug Fig 291 able to display its full performance or it may become 0 Install the upper oil plug and then remove the oil the cau...

Page 24: ...of oil M5BS 3 Ask your dealer to clean carbon beposit on cylin der head piston exhaust port and manifold Add 2 cycle engine oil through the spark plug hole and inject oil into crank case and cylinder...

Page 25: ...g systems can be attached the Rope System the Ball Post System 2 LIGHTING COIL Use as lighting at night The lighting capacity is 12v 4ow 3 RECTIFIER Use for battery charging with the electricity gener...

Page 26: ...6 TOUCH UP PAINT 300ml 7 TOHATSU ENGINE OIL IFor 5O l use 0 5 P 1P 20 I containedin can 8 TOHATSU GENUINE GEAR OIL 500cc 260ccl 9 TOHATSU GREASE 509 2509 24...

Page 27: ...s 1 Doubleended socket wrench 1Omm x 13mm 1 Socket wrench 21mm 1 Handle for socket wrench 1 Screw driver t I 1 Grip for driver 1 Safety rope 4 x 1OOOmm 1 Spark plug spare 1 Split Pin 1 Flushing plug 1...

Page 28: ...2 AVAILABLE PROPELLER wavy duty Size Blade x Dia x Pitch mm 1 26...

Page 29: ...VI WIRING DIAGRAM n II _ _ ExtenEion cord m 27...

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Page 32: ...v TOHATSU CORPORATION i Apr 93 Pmted in Japan 3...