TOHATSU M 15D2 Owner's Manual
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O W N E R' S
M A N U A L
トーハツ船外機 オーナーズマニュアル
Original instructions
M 9.9D
M 15D
M 18E
OB No.003-11049-LBC1
2
2
2
EN

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Summary of Contents for TOHATSU M 15D2

  • Page 1 O W N E R’ S M A N U A L トーハツ船外機 オーナーズマニュアル Original instructions M 9.9D M 15D M 18E OB No.003-11049-LBC1...
  • Page 2 MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2023 Tohatsu Corporation. All rights reserved. No part of this manual may be reproduced or transmitted in any from or by any means without the express written permission of Tohatsu Corporation.
  • Page 3 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.
  • Page 4 ENOM00113-1 DECLARATION OF CONFORMITY (DoC) This product conforms to certain portion of the European Parliament directive and UK Regulations. DoC contains the following information; Name and Address of the manufacturer, EU - notified body, EU - authorized repre- sentative, and UK - approved body. Applied community directives and regulations Reference standard Description of the product.
  • Page 5 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,”...
  • Page 7: Table Of Contents

    CONTENTS 1. GENERAL SAFETY INFORMATION ........10 2.
  • Page 9 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.
  • Page 10: General Safety Information

    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.
  • Page 11 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...
  • Page 12: Specifications

    SPECIFICATIONS ENOM00810-B MODEL FEATURE Model M9.9D2 M15D2 M18E2 Type Transom heights Tiller Handle Remote Control Power Tilt Gas-assisted tilt Manual tilt *1: Option ENOM00811-B MODEL NAME EXAMPLE M18E2MFL Model Horse Product Minor Starter Steering Shaft description power generation change system system length S= Short 15 in...
  • Page 13 (ICOMIA 39/94 Rev.1) dB (A) Hand Vibration Level (ICOMIA 38/94 Rev.1) m/s Remark: Specifications subject to change without notice. *1 With propeller. *2 With manual starter. *3 Transom angle is at -12° Tohatsu outboard is power rated in accordance with ISO8665 (propeller shaft output).
  • Page 14 SPECIFICATIONS Service data Model M 9.9/15D2 M 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...
  • Page 15: Parts Name

    PARTS NAME ENOM00820-0 ENOF01750-0 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...
  • Page 16 PARTS NAME ENOM01102-0 ENOF01751-0 1 Tilt Handle 11 Starter Handle 21 Battery Cord 2 Top Cowl 12 Shift Lever 22 Choke Knob 3 Bottom Cowl 13 Throttle Grip 23 Fuel Connector (Male) 4 Cowl Hook Lever 14 Throttle Friction Screw 24 Oil Plug (Upper) 5 Cooling Water Check Port 15 Clamp Screw...
  • Page 17 PARTS NAME ENOM01103-0 ENOF01752-0 1 Tilt Handle 11 Starter Handle 21 Oil Plug (Upper) 2 Top Cowl 12 Shift Lever 22 Water Plug 3 Bottom Cowl 13 Clamp Screw 23 Oil Plug (Lower) 4 Cowl Hook Lever 14 Clamp Bracket 24 Spark Plug 5 Cooling Water Check Port 15 Thrust Rod...
  • Page 18 PARTS NAME ENOM00822-0 Remote control box & Fuel tank ENOF00127-F2A Control Lever Fuel Gauge Neutral Lock Arm Air Vent Screw Free Throttle Lever Fuel Tank Cap Main Switch Fuel Connector (Engine Stop Switch side) Stop Switch Lock Primer Bulb Stop Switch Lanyard Fuel Connect...
  • Page 19: Label Locations

    LABEL LOCATIONS ENOM00019-A Warning label locations 3, 4 ENOF01703-3...
  • Page 20 LABEL LOCATIONS 1, 3. Read owner's manual. For RC model Be sure to fasten one end of the stop switch lanyard to your body during operation. 3F0X72185-0 Engine stop switch (See page 41). ENOF00008-1 Warning regarding gasoline. ENOF00131-B HOT SURFACE Can cause burns.
  • Page 21 LABEL LOCATIONS ENOM01001-0 Serial number label locations 1521 CAN ICES-2 / NMB-2 ENOF01704-3 1. Model code (Model name) 2. Serial No. 3. Rated power 4. Dry mass weight 5. Manufacture name 6. Manufacture address 7. Authorised representative 8. Authorised representative address Description of serial number year code Last two digits of alphabet represent production year as below.
  • Page 22: Installation

    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.
  • Page 23 INSTALLATION ENOM00026-0 ENOM00832-E Transom matching Mounting the outboard motor Be sure that the anti ventilation plate of 1. Set the outboard motor to appropri- the outboard motor is 30–50 mm (1.2–2 ate position. in) below the bottom of hull. 2. Tighten the clamp screws by turning If the above condition cannot be met due their handles.
  • Page 24: Battery Installation

    INSTALLATION Do not smoke near the battery when the ENON00003-B Note battery is charging. Do not charge the battery when the elec- Apply sealing agent, such as silicone sealed trolyte level is low. Otherwise, the bat- between the bolts and the transom board ter y will be damage d and may cause holes before tightening the bolts.
  • Page 25 INSTALLATION 1. Place the battery box in a convenient position away from possible water and moisture. Securely fasten both the box and the battery so they do not shake loose. 2. Connect the positive lead (+) to the positive terminal (+) of the battery, and then connect the negative lead (—).
  • Page 26: Pre-Operating Preparations

    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...
  • Page 27: Fuel Filling

    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.
  • Page 28: Engine Oil Recommendation

    PRE-OPERATING PREPARATIONS Use a genuine two stroke engine oil or ones recommended (TC-W3). Refer to your Distributor. Use of other two stroke engine oil is not recommended. Add engine oil into fuel tank. The mixing ratio of gasoline and oil is 50:1. Make sure that gasoline and oil are mixed well.
  • Page 29 PRE-OPERATING PREPARATIONS For engine oil and gasoline mixing ratio, Put cap on the container, and close tightly. refer to table in previous page. Shake the container to mix engine oil When portable fuel tank is used for and gasoline well. operation of outboard motor(s): Pour the fuel into fuel tank.
  • Page 30: Break-In

    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:...
  • Page 31: Engine Operation

    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 28) ENOF00027-B 1. Air vent screw 2. Fuel tank cap 2. Open the fuel tank cap slowly and release internal pressure completely.
  • Page 32: Starting The Engine

    ENGINE OPERATION 4. Squeeze primer bulb until it becomes 1. Water level is at least 10 cm (4 in.) above the anti-ventilation plate to avoid over- stiff to feed fuel to carburetor. Point heating of the engine. the arrow mark upward when priming. 2.
  • Page 33 ENGINE OPERATION 3. Set the throttle grip to START posi- ENOM01005-B 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.
  • Page 34 ENGINE OPERATION (For manual starter type) If cranking over 5 seconds fails to star t engine, return main switch to “ON”, and 4. Pull the starter handle slowly until you crank engine again after 10 seconds or more. feel engagement, keep pulling till you feel less resistance.
  • Page 35 ENGINE OPERATION 3. Set the control lever in the Neutral 1. ON 2. START position. 3. OFF 4. Push to operate choke knob. 4. Raise the free throttle lever a little ( b o th of c old e ngin e an d war m 6.
  • Page 36 ENGINE OPERATION Do not pull starter rope if any bystander is 4. Insert the knotted end of the starter around. rope into the notch in the flywheel Attach engine stop switch lanyard to and wind the rope clockwise around clothing or any part of body such as wrist, the flywheel several turns.
  • Page 37: Warming Up The Engine

    ENGINE OPERATION ENOM00043-A 3. Warming up the engine ENOW00932-1 CAUTION Be sure to check that cooling water is dis- charged from the cooling water check port during warm up. Warm the engine at low engine speeds ENOF01720-0 for about 3 minutes : above 5°C (41°F) 9.
  • Page 38: Forward, Reverse, And Acceleration

    ENGINE OPERATION and left. Make sure that no swimmer(s) is ENOM00972-0 Free throttle lever (Side mount RC around of the boat. type) ENOW00967-0 ENOW00956-0 WARNING CAUTION Attach other end of emergency stop Keep the free throttle lever fully closed switch lanyard to the operator's PFD (Per- position when start the engine.
  • Page 39 ENGINE OPERATION ENOW00867-1 ENOM00890-A Tiller handle type WARNING ENOW00865-A Sudden acceleration and deceleration may CAUTION cause passenger(s) to be thrown overboard or fall down. Do not force to shift when the throttle grip is not in the fully closed position, otherwise, ENOW00862-1 steering system and/or shifting mechanism may be damaged.
  • Page 40 ENGINE OPERATION Forward 1. Quickly push the control lever to the Forward (F) position 32°, where the gear will be connected, while lifting up on the lock button located under the control lever grip. 2. Further forward motion will open the throttle.
  • Page 41: Stopping The Engine

    ENGINE OPERATION ENOM00049-A 5. Stopping the engine ENOW00868-1 WARNING Be careful not to remove engine stop switch lanyard from engine accidentally while boat is running. Sudden stop of engine can cause loss of steering control, speed, possibly leading the crew(s) and or objects on the ENOF01722-0 1.
  • Page 42 ENGINE OPERATION ENOW00869-1 ENOM00910-1 Spare emergency stop switch lock WARNING A spare emergency stop switch lock is provided in the accessories bag. After stopping the engine: Make sure that spare stop switch lock is Close the air vent screw on the fuel tank cap.
  • Page 43: Steering

    ENGINE OPERATION ENOM00920-0 ENOM00050-0 6. Steering 7. Trim angle ENOW00870-1 ENOW00043-1 WARNING WARNING Sudden steering may cause passenger(s) to Adjust the trim angle when the engine is be thrown overboard or fall. stopped. Do not put hand or finger in between out- Tiller handle type board motor body and clamp bracket when adjusting trim angle to prevent pos-...
  • Page 44 ENGINE OPERATION ENOF00051-1 1. Perpendicular to the water surface ENOM00053-0 Improper trim angle (bow rises too ENOF01724-0 high) 1. Thrust rod Set the thrust rod lower if the bow of the 2. Higher 3. Lower boat rises above horizontal. Trim angle adjustment The transom angle adjustment 1.
  • Page 45: Tilt Up And Down

    ENGINE OPERATION ENOM00060-A ENOM00062-1B Tilt up 8. Tilt up and down Push the reverse lock lever down until it stops. (This is the tilt up position.) Then, ENOW00055-1 tilt the outboard motor all the way up WARNING until it is locked in place. Do not tilt the outboard motor up or down when swimmer(s) and/or passenger(s) are near to prevent them from being caught...
  • Page 46 ENGINE OPERATION ENOM00063-1 ENOW00054-1 Tilt down CAUTION Pull the reverse lock lever upward until it comes to a stop (This is the tilt down Do not over tilt the outboard motor when position), lift up the outboard motor to driving in shallow water, or air may be sucked through water inlet and sub-water inlet, free it from the reverse lock, then release potentially leading to engine overheating.
  • Page 47 ENGINE OPERATION ENOF01725-0 1. Reverse lock lever 2. Tilt up position 3. Tilt down position...
  • Page 48: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR ENOM00070-B 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-...
  • Page 49: Trailering

    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.
  • Page 50 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.
  • Page 51: Adjustment

    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-...
  • Page 52: Trim Tab Adjustment

    ADJUSTMENT To adjust the friction of the remote con- readjusting trim tab, check if steering fiction is even. trol lever, turn the throttle friction adjustment screw on the front of the remote control. The friction may be If straight-line cruising can not be increased by turning clockwise and achieved, adjust the trim tab located decrease by turning counter-clockwise.
  • Page 53: Inspection And Maintenance

    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-...
  • Page 54: Daily Inspection

    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.
  • Page 55 INSPECTION AND MAINTENANCE ENOM00083-0 ENOM00085-D 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.
  • Page 56 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.
  • Page 57 If the fuse has blown, try to determine the cause and respond to the problem as simply replacing the fuse will likely blown again. If you are unable to respond to the cause or the fuse continues to blow, request an authorized Tohatsu dealer for inspection.
  • Page 58: Periodic Inspection

    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.
  • Page 59 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.
  • Page 60 INSPECTION AND MAINTENANCE ENOM00093-1C ENOM00094-0 Fuel filters and fuel tank cleaning Fuel filter (for engine) 1. Check the cup for water and debris. ENOW00093-A 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.
  • Page 61 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.
  • Page 62 INSPECTION AND MAINTENANCE Required volume: approx. 360 mL (11.8 ENOW00928-1 fl.oz.). CAUTION If gear oil is spilled, wipe off immediately and dispose according to the local regulations. ENON00032-1 Note If the gear oil color appears to be milky color, contact your dealer. ENOM00086-1A Propeller replacement ENOW00084-1...
  • Page 63 INSPECTION AND MAINTENANCE 1. Put a piece of wood block between 25 Nm (18 ft lb, 2.5kgf propeller blade and anti-ventilation 7. Install a new split pin into the nut hole plate to hold propeller. and bend both ends of pin apart to lock propeller in place.
  • Page 64 INSPECTION AND MAINTENANCE 3. Remove the spark plug caps. 4. Remove the spark plugs by turning it counter-clockwise, using a 21 mm (13/ 16 in) socket wrench and handle that is provided in tool bag. 5. Inspect the spark plug. Replace the spark plug with wear on electrodes and if the insulators are cracked or chipped.
  • Page 65 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.
  • Page 66 INSPECTION AND MAINTENANCE ENOM00960-0 Grease point Apply waterproof grease to the parts shown below. ENOF01737-0...
  • Page 67: Off-Season Storage

    INSPECTION AND MAINTENANCE 2. Remove the fuel hose from the out- ENOM00100-1A 3. Off-season storage board motor. 3. Drain all fuel from the fuel hoses, fuel ENOW00934-0 pump, fuel filter (See page 60) and WARNING carburetor (See page 69), and clean these parts.
  • Page 68 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.
  • Page 69 INSPECTION AND MAINTENANCE ENOM00970-1 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.
  • Page 70: Pre-Season Check

    INSPECTION AND MAINTENANCE 8. Run the engine for 5 minutes at the ENOM01110-0 4. Pre-season check slowest speed. 9. Run the engine for 10 minutes at half The following steps must be taken when throttle. The oil shall circulate to first use of the engine after off-season assure optimum performance.
  • Page 71: Cold Weather Precautions

    INSPECTION AND MAINTENANCE ENOM00106-1 ENOM00120-0 6. Cold weather precautions 8. Auxiliary outboard motor operation If you moor your boat in cold weather at temperatures below 0°C (32°F), water When the auxiliary outboard motor will residue in water pump may freeze and not be used, be sure to remove the stop may damage the pump, impeller, etc.
  • Page 72: Troubleshooting

    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. Possible cause Empty fuel tank Incorrect connection of fuel system Air entering fuel line Deformed or damaged fuel pipe Closed air vent on fuel tank...
  • Page 73 TROUBLESHOOTING Possible cause Incorrect adjustment of throttle link Insufficient cooling water flow, clogged or defective pump Faulty thermostat Cavitation or ventilation Incorrect propeller selection Damaged and bent propeller Improper thrust rod position Unbalanced load on boat Transom too high or too low...
  • Page 74: Tool Kit And Spare Parts

    TOOL KIT AND SPARE PARTS ENOM01107-0 The followings are a list of the tools and spare parts provided with the motor. Name Quantity Remark Tool Bag Pliers Socket Wrench 10 x 13 mm Servicing Tools Socket Wrench 21 mm Socket Wrench Handle Screwdriver (Phillips-type and flat head) Adapter-type Rope...
  • Page 75: Propeller Table

    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. 9.9D2 : 4,500 to 5,300 min (rpm) 15D2/18E2 : 5,200 to 5,800 min...
  • Page 76 INSPECTION & MAINTENANCE LOG Date Engine Hour Inspection/Maintenance Performed Performed by...
  • Page 78 O W N E R’ S M A N U A L M 9.9D M 15D M 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...

This manual is also suitable for:

M 18e2M 9.9d2

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