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In case you encounter any problems, please contact an authorized TOHATSU service shop or dealer for assistance. Tohatsu Corporation reserves the right to change, modify, add, or remove a part or whole of the owner’s manual without prior notice and incurring any obligations.
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ENOM00005-1 Serial Number Your outboard motor has a unique serial number. The serial number is identification of outboard motor and is located on the outboard motor as shown in the figures below. The serial number is required for warranty registration, filing a warranty claim as well as making technical inquiries and may be required for other occasions.Therefore, please write down the serial number and date of purchase in the space below.
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ENOM00007-0 NOTICE: DANGER/WARNING/CAUTION/Note Before installing, operating or otherwise handling your outboard motor, be sure to thor- oughly read and understand this Owner's Manual and carefully follow all of the instruc- tions. Of particular importance is information preceded by the words “DANGER,” “WARNING,”...
CONTENTS 1. GENERAL SAFETY INFORMATION ........10 2.
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INDEX 1. GENERAL SAFETY INFORMATION 2. SPECIFICATIONS 3. PARTS NAME 4. LABEL LOCATIONS 5. INSTALLATION 6. PRE-OPERATING PREPARATIONS 7. ENGINE OPERATION 8. REMOVING AND CARRYING THE OUTBOARD MOTOR 9. ADJUSTMENT 10. INSPECTION AND MAINTENANCE 11. TROUBLESHOOTING 12. TOOL KIT AND SPARE PARTS 13.
GENERAL SAFETY INFORMATION ENOM00009-1 SAFE OPERATION OF BOAT As the operator/driver of a boat, you are responsible for the safety of those aboard and those in other boat around yours, and for following local boating regulations. You should be thoroughly knowledgeable on how to correctly operate the boat, outboard motor, and accessories.
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Be sure to use genuine parts, genuine lubricants, or recom- mended lubricants. Be aware that the installation and use of parts not approved by Tohatsu Corporation will void warranty and may lead to unsafe operating conditions. ENOM00011-1...
SPECIFICATIONS ENOM00810-B MODEL FEATURE Model MX15E2 MX18E2 Type Transom heights Tiller Handle Remote Control ( )*1 ( )*1 Power Tilt Gas-assisted tilt Manual tilt *1: Option ENOM00811-B MODEL NAME EXAMPLE MX18E2MFL Model Horse Product Minor Starter Steering Shaft description power generation change system...
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Tilt Up Angle*2 Degree Gear Shift Dog clutch (F-N-R) Gear Reduction Ratio 1.85 (24:13) Remark: Specifications subject to change without notice. *1 With propeller. *2 Transom angle is at -12° Tohatsu outboard is power rated in accordance with ISO8665 (propeller shaft output).
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SPECIFICATIONS Service data Model MX 15/18E2 Item Unleaded Regular Gasoline : R+M/2: 87 or higher Fuel RON: 91 or higher Fuel Tank Capacity L (US gal) 25 (6.60) Separate Genuine two stroke engine oil or NMMA certified TC-W3 Engine Oil Grade outboard oil Engine Oil Mixing Ratio...
PARTS NAME ENOM00820-0 ENOF01702-0 1 Tilt Handle 11 Starter Handle 21 Fuel Connector (Male) 2 Top Cowl 12 Shift Lever 22 Oil Plug (Upper) 3 Bottom Cowl 13 Throttle Grip 23 Water Plug 4 Cowl Hook Lever 14 Throttle Friction Screw 24 Oil Plug (Lower) 5 Cooling Water Check Port 15 Clamp Screw...
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PARTS NAME ENOM00822-0 Fuel tank ENOF00127-F3 1 Fuel Gauge 2 Air Vent Screw 3 Fuel Tank Cap 4 Fuel Connector (Engine side) 5 Primer Bulb 6 Fuel Connector (Fuel tank side)
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LABEL LOCATIONS 1, 3. Read owner's manual. Warning regarding gasoline. 3F0X72185-0 Engine stop switch (See page 35). ENOF00005-E Warning regarding gasoline (See page 22). ENOF00131-B HOT SURFACE Can cause burns. Do not touch when operating or ENOF00005-L immediately after the engine has Warning regarding gasoline...
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LABEL LOCATIONS ENOM01001-0 Serial number label locations r o t l a i ENOF01704-A 1. Model code (Model name) 2. Rated power 3. Dry mass weight 4. Serial No. 5. Manufacture name 6. Manufacture address Description of serial number year code Last two digits of alphabet represent production year as below.
INSTALLATION Keep the outboard motor in a vertical ENOM00024-B 1. Mounting the outboard position when mounting. motor on boat ENOW00006-1 WARNING Most boats are rated and certified for their maximum allowable horsepower, as shown on the boat’s certification plate. Do not equip your boat with an outboard motor that exceeds this limit.
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INSTALLATION ENON00930-1 Note Do not use tools to tighten clamp screws. Over tightening could result in damage to the clamp screws and clamp brackets. 30−50 mm Do not reuse Nylon locking nut. (1.2−2 in) ENON00002-1 Note ENOF01706-0 1. Bottom of hull Mounting hardware and rope are not 2.
When operating an outboard motor with The fuel system components on your gasoline containing ethanol, storing gasoline TOHATSU outboard motor will withstand in the fuel tank for long periods should be up to 10% ethyl alcohol (hereinafter avoided. Storing gasoline for long periods referred to as the "ethanol") content in...
PRE-OPERATING PREPARATIONS The static electricity may ignite the gaso- ENOW00018-1 line vapor during refueling. WARNING Stop the engine, and do not start the engine during refueling. Fuel leakage can cause fire or explosion, Do not smoke. potentially leading to severe injury or loss of Be careful not to overfill fuel tank.
PRE-OPERATING PREPARATIONS 1. Fully open the air vent screw on the Use a genuine two stroke engine oil or fuel tank cap and release internal ones recommended (TC-W3). Refer to pressure. your Distributor. Use of other two stroke engine oil is not recommended.
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PRE-OPERATING PREPARATIONS For engine oil and gasoline mixing ratio, Pour engine oil into fuel container, and then, gasoline. refer to table in previous page. Put cap on the container, and close When portable fuel tank is used for tightly. operation of outboard motor(s): Shake the container to mix engine oil Pour engine oil into fuel tank, and and gasoline well.
PRE-OPERATING PREPARATIONS ENOM00033-B 4. Break-In Your new outboard motor and lower unit ENOW00023-1 require break-in for the moving compo- CAUTION nents a ccording to the conditions Operating the outboard motor without described in the following timetable. break-in can shorten life of the product. ENOW00024-1 If any abnormality is experienced during the break-in:...
ENGINE OPERATION ENOM00042-0 Before starting ENOW00022-B CAUTION Be sure to fill the engine before starting engine. (To properly fill the engine with oil follow the instructions. See page 24) ENOF00027-B 1. Air vent screw 2. Fuel tank cap 2. Open the fuel tank cap slowly and release internal pressure completely.
ENGINE OPERATION 4. Squeeze primer bulb until it becomes 2. Run at idling only 3. Remove the propeller stiff to feed fuel to carburetor. Point (See page 53) the arrow mark upward when priming. ENOF00862-0 1. Engine side 2. Fuel tank side ENOF00863-0 1.
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ENGINE OPERATION 3. Set the throttle grip to START posi- ENOM01005-C Tiller handle type tion. 1. Be sure to install the stop switch lock to the stop switch, and attach the stop switch lanyard securely to the operator or to the operator's PFD (Personal Flotation Device.) ENOF01714-1 1.
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ENGINE OPERATION 4. Pull the starter handle slowly until you ENOM00042-F Emergency starting feel engagement, keep pulling till you ENOW00099-1 feel less resistance. Then pull it WARNING quickly. Repeat the procedure until the outboard motor is started. When the emergency starter rope is used for starting engine;...
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ENGINE OPERATION 2. Disconnect the linkage of the starter 5. Tie a loop to the other end of the lock rod. emergency starter rope and attach socket wrench that is included in the tool kit. ENOW00860-0 CAUTION Be sure to keep the harness away from the rotation parts.
ENGINE OPERATION ENOM00043-A ENOM00046-A 3. Warming up the engine 4. Forward, reverse, and acceleration ENOW00932-1 CAUTION ENOW00037-1 WARNING Be sure to check that cooling water is dis- charged from the cooling water check port Before shifting into forward or reverse, make during warm up.
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ENGINE OPERATION ENOW00861-1 ENOM00890-A Tiller handle type WARNING ENOW00865-A Do not shift at high boat speed, or control CAUTION may be lost, fall down or causing passen- ger(s) to be thrown overboard. Leading to Do not force to shift when the throttle grip is serious personal injury.
ENGINE OPERATION Tiller handle type 1. Turn the throttle grip to the slow position. ENOF01714-A1 1. Throttle grip 2. START position ENOF01714-1 3. Full closed 4. Full opened 1. Throttle grip 2. START position ENOM00049-A 3. Fully closed 5. Stopping the engine 4.
ENGINE OPERATION ENOW00869-1 WARNING After stopping the engine: Close the air vent screw on the fuel tank ENOF00891-0 cap. Disconnect the fuel connector from the engine and the fuel tank. ENOM00920-0 Disconnect the battery cable, after each 6. Steering use. ENOW00870-1 Emergency engine stopping Remove stop switch lock to stop the...
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ENGINE OPERATION when adjusting trim angle to prevent pos- ENOM00053-0 Improper trim angle (bow rises too sible injury. high) Unsuitable trim position can cause loss of Set the thrust rod lower if the bow of the control of boat. When testing a trim posi- boat rises above horizontal.
ENGINE OPERATION Trim angle adjustment ENOW00048-1 The transom angle adjustment WARNING 1. Stop the engine. When tilting up or down, be careful not to 2. Shift into neutral position. place your hand between the swivel bracket 3. Tilt up the outboard motor. and the stern bracket.
ENGINE OPERATION 1. Reverse lock lever 2. Tilt up position 3. Tilt down position ENOM00068-A 9. Shallow water operation ENOW00051-0 WARNING During shallow water operation, be careful ENOF01725-0 not to place your hand between the swivel 1. Reverse lock lever bracket and the clamp bracket.
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ENGINE OPERATION 1. Shallow water running position: Put the reverse lock lever in the tilt up position, and tilt up the outboard motor to put the outboard motor in the shallow water running position. ENOF01725-0 1. Reverse lock lever 2. Tilt up position 3.
REMOVING AND CARRYING THE OUTBOARD MOTOR ENOM00070-F ENOW00065-1 1. Removing the outboard WARNING motor Close air vent screw on fuel tank before car- rying or storing outboard motor and fuel ENOW00064-1 tank, or fuel may leak, potentially catching CAUTION fire. Engine may be hot immediately after opera- ENOW00066-1 tion and could cause burns if came in con-...
REMOVING AND CARRYING THE OUTBOARD MOTOR Fuel leakage is a fire or explosion hazard, which can cause serious injury or death. ENOF00075-1 ENOW00068-0 WARNING Close air vent screw on fuel tank and fuel cock before carrying or storing outboard ENOF01738-0 motor and fuel tank, or fuel may leak, poten- ENON00021-3 tially catching fire.
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REMOVING AND CARRYING THE OUTBOARD MOTOR ENOF00074-B 1. Ground clearance should be provided sufficiently. 2. Transom saver bar ENOW00067-0 WARNING Do not go under outboard motor tilted up even if it is supported by support bar, or accidental fall of outboard motor could lead to severe personal injury.
ADJUSTMENT ENOM00073-C ENOM00074-A 1. Steering friction 2. Throttle grip friction Tiller handle type ENOW00074-1B WARNING ENOW00074-2 WARNING Do not overtighten the throttle adjustment screw or it could result in difficult handling Steering may be difficult when steering fric- of the outboard motor, resulting in the loss tion adjustment bolt is over tightened, it may of control causing an accident and could also result in loss of control causing an acci-...
INSPECTION AND MAINTENANCE ENOM00077-1 Care of your outboard motor To keep your outboard motor in the best operating condition, it is very important that you perform daily and periodic maintenance as suggested in the mainte- nance schedules as follows. ENOW00077-1 CAUTION Your personal safety and that of your pas- sengers depends on how well you main-...
INSPECTION AND MAINTENANCE ENOM01005-0 1. Daily Inspection Perform the following checks before and ENOW00078-0 after use. WARNING Do not use outboard motor if any abnormal- ity is found during pre-operation check or it could result in severe damage to the motor or severe personal injury.
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INSPECTION AND MAINTENANCE ENOM00083-0 ENOM00085-C Washing outboard motor Flushing attachment 1. Tilt down the outboard motor. ENOW00081-1 2. Remove the water plug from the gear WARNING case, and screw in the flushing Do not start engine without removing pro- attachment. peller, turning propeller out in the open may 3.
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INSPECTION AND MAINTENANCE case, the engine will overheat and may cause ENOM00085-A Flushing by test tank serious damage. ENOW00036-1A CAUTION 1. Fully tilt down the outboard motor. When starting the outboard motor in the 2. With the propeller removed, seal the test tank, make sure that: sub-water inlet with a tape to prevent 1.
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INSPECTION AND MAINTENANCE 5. Place the shift lever in the neutral position and start the engine and run at idle speed for 3-5 minutes. 6. Check if a steady stream of water flows from the cooling water check port. 7. Stop the engine and turn off the water.
INSPECTION AND MAINTENANCE ENOM01106-1 2. Periodic Inspection It is important to inspect and maintain your outboard motor regularly. Make sure to per- form each service at interval specified in the chart below. Maintenance intervals are determined by the number of hours outboard motor has been used or number of months, whichever comes first.
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Frequent sudden acceleration and sudden deceleration Frequent stop start operation Frequent shifting operation Frequent operation in acidic, polluted, muddy, sandy, or shallow water Appropriate maintenance can prolong your engine life. Consult your Tohatsu authorized dealer for suitable maintenance interval depending on operating and environmental conditions.
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INSPECTION AND MAINTENANCE ENOM00093-C ENOM00094-0 Fuel filters and fuel tank cleaning Fuel filter (for engine) 1. Check the cup for water and debris. ENOW00093-1 WARNING Gasoline and its vapor is very flammable and can be explosive. Do not start this procedure while engine is operating or while engine is hot.
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INSPECTION AND MAINTENANCE 5. Remove fuel and any water or debris board motor could lead to severe per- sonal injury. from the cup, filter and hoses. Do not go under outboard motor in the tilt 6. Reassemble all parts. up position and locked, or accidental fall of outboard motor could lead to severe personal injury.
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INSPECTION AND MAINTENANCE ENON00033-0 Note Use genuine gear oil or the recommended one (API GL-5: SAE #80 to #90). Required volume: approx. 360 mL (11.8 fl.oz.). ENOF01734-0 ENOW00928-1 CAUTION If gear oil is spilled, wipe off immediately and dispose according to the local regulations. ENOF01733-0 ENON00032-1 4.
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INSPECTION AND MAINTENANCE ENOW00086-1 CAUTION Do not install propeller without thrust holder, or propeller boss could be dam- aged. Do not reuse split pin. After installing split pin, spread bend both end of the pin apart to lock propeller in place.
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INSPECTION AND MAINTENANCE Do not touch spark plugs immediately after stopping engine as they will be hot and could cause severe burns if touched. ENOW00929-0 ENOF00085-0 CAUTION 1. Electrode Use only the recommended spark plugs. 2. Spark gap (0.9–1.0 mm, 0.035–0.039 in) Spark plugs which have an different heat range may cause engine damage.
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INSPECTION AND MAINTENANCE ENOM00088-1A Anode replacement A sacrificial anode protects the outboard motor from galvanic corrosion. Anode is located on the gear case, cylinder etc.. When the anode is eroded more than 1/3 of original size, replace it. ENON00029-1 Notes Never grease or paint the anode.
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INSPECTION AND MAINTENANCE ENOM00960-0 Grease point Apply waterproof grease to the parts shown below. ENOF01737-A...
INSPECTION AND MAINTENANCE 2. Remove the fuel hose from the out- ENOM00100-A 3. Off-season storage board motor. 3. Drain all fuel from the fuel hoses, fuel ENOW00934-0 pump, fuel filter (See page 51) and WARNING carburetor (See page 60), and clean these parts.
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INSPECTION AND MAINTENANCE ENOF01728-0 1. Handle ENOM00950-1 Adding a fuel stabilizer When adding a fuel stabilizer additive (commercially available), first fill the fuel ENOF01738-0 tank with fresh oil and fuel. If the fuel ENOW00066-1 tank is only partially filled, air in the tank CAUTION may deteriorate the fuel during storage.
INSPECTION AND MAINTENANCE ENOM00970-A Fuel system draining ENOW00028-A WARNING For details on handling fuel, contact an authorized dealer. Fuel and fuel vapors are extremely flamma- ble and can be explosive. If fuel is spilled, wipe it up immediately. Keep the fuel tank well away from sources ENOF01739-0 of ignition, e.g.
INSPECTION AND MAINTENANCE ENOM00105-D ENOM00107-A 5. Submerged outboard motor 7. Striking underwater object ENOW00098-0 ENOW00935-0 CAUTION CAUTION Do not attempt to start submerged outboard Striking the sea bottom or an underwater motor immediately after it is recovered, or object may severely damage the outboard engine could be severely damaged.
TROUBLESHOOTING ENOM00109-0 If you encounter a problem, check the list below to determine the cause and to take the proper action. An authorized dealer will always be happy to provide any assistance and information. Unstable Engine engine Abnor- Abnor- Unable to Difficult starts but Over-...
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TROUBLESHOOTING Unstable Engine engine Abnor- Abnor- Unable to Difficult starts but Over- Poor running mally high mally low reach to start stops heating of idling speed or engine engine high engine immedi- engine engine speed speeds speed ately stops No sparks or weak sparks Insufficient cooling water flow...
TOOL KIT AND SPARE PARTS ENOM01008-0 The followings are a list of the tools and spare parts provided with the motor. Name Quantity Remark Tool Bag Socket Wrench 21 mm Socket Wrench 10 x 13 mm Servicing Tools Socket Wrench Handle Pliers Screwdriver (Phillips-type and flat head) Adapter-type...
PROPELLER TABLE ENOM01108-1 To ensure optimum performance, the propeller should match the boat type and its load. Use a genuine propeller. When selecting propeller, make sure that RPM stays in the maximum operating range of engine at wide open throttle. MX15E2: 4,500 to 5,500 min (rpm).
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INSPECTION & MAINTENANCE LOG Date Engine Hour Inspection/Maintenance Performed Performed by...
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O W N E R’ S M A N U A L MX 15E MX 18E 5-4, Azusawa 3-Chome, Itabashi-Ku Tokyo 174-0051, Japan Tel: +81-3-3966-3117 Fax: +81-3-3966-2951 www.tohatsu.com...