TOHATSU 40B2 Owner's Manual
  1. Manuals
  2. Brands
  3. TOHATSU Manuals
  4. Outboard Motor
  5. MD 40B2
  6. Owner's manual
TOHATSU 40B2 Owner's Manual

TOHATSU 40B2 Owner's Manual

Hide thumbs Also See for 40B2:
Table of Contents

Advertisement

Quick Links

Download this manual
OWNER'S
MANUAL
MD
30B2
40B2
50B2
75C2
90C2
115A2
OB No.003-11075-D

Advertisement

Table of Contents
loading

Related Manuals for TOHATSU 40B2

Summary of Contents for TOHATSU 40B2

  • Page 1 OWNER’S MANUAL 30B2 40B2 50B2 75C2 90C2 115A2 OB No.003-11075-D...
  • Page 2 INJURY OR DEATH. KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2009-2012 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...
  • Page 3 WILL NOT BE COVERED BY THE APPLICABLE LIMITED WARRANTY, IF THIS PROCEDURE IS NOT FOLLOWED. PRE-DELIVERY CHECK Be sure that the product has been checked by an authorized TOHATSU dealer before you take delivery. Limited Warranty Please refer to the TOHATSU outboard motor Limited warranty provided to you with this product, the terms and conditions of which, as amended from time to time, are incorporated by reference into the manual.
  • Page 4 Serial Number : To You, Our Customer Thank you for selecting a TOHATSU outboard motor. You are now the proud owner of an excellent outboard motor that will service you for many years to come. This manual should be read in its entirety and the inspection and maintenance procedures described later in this manual should be followed carefully.

  • Page 5: Table Of Contents

    CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 GENERAL SAFETY INFORMATION .
  • Page 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 4.
  • Page 7 INDEX GENERAL SAFETY INFORMATION 1. SPECIFICATIONS 2. NAMES OF PARTS 3. LOCATIONS OF WARNING LABELS 4. INSTALLATION 5. PRE-OPERATING PREPARATIONS 6. ENGINE OPERATION 7. REMOVING AND CARRYING THE OUTBOARD MOTOR 8. TRAILERING 9. ADJUSTMENT 10. INSPECTION AND MAINTENANCE 11. TROUBLESHOOTING 12.

  • Page 8: General Safety Information

    8 GENERAL SAFETY INFORMATION GENERAL SAFETY INFORMATION NOTICE : DANGER/WARNING/CAUTION/Note Before installing, operating or otherwise handling your outboard motor, be sure to thoroughly read and understand this Owner's Manual and carefully follow all of the instructions. Of particular importance is information preceded by the words "DANGER,"...
  • Page 9 GENERAL SAFETY INFORMATION SAFE OPERATION OF BOAT As the operator/driver of the 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 10: Specifications

    SPECIFICATIONS SPECIFICATIONS 30B2 (Available in specific region), 40B2 MODEL 30B2 40B2 Item EPTO EFTO 630 (24.8) 1,120 (44.1) Overall Length mm (in) 345 (13.6) 384 (15.1) Overall Width mm (in) 1,227 (48.3) · 1,354 (53.3) · 1,481 (58.3) Overall Height S·L·UL mm (in) Transom Height S·L·UL...
  • Page 11 SPECIFICATIONS 50B2 MODEL 50B2 Item EPTO EFTO 630 (24.8) 1,120 (44.1) Overall Length mm (in) 345 (13.6) 384 (15.1) Overall Width mm (in) 1,227 (48.3) · 1,354 (53.3) · 1,481 (58.3) Overall Height S·L·UL mm (in) Transom Height S·L·UL mm (in) 403 (15.9) ·...
  • Page 12 SPECIFICATIONS W50B2 MODEL W50B2 Item EPTO EFTO Overall Length mm (in) 630 (24.8) 1,120 (44.1) 345 (13.6) 384 (15.1) Overall Width mm (in) Overall Height L·UL mm (in) 1,415 (55.7) · 1,542 (60.7) 550 (21.7) · 677 (26.7) Transom Height L·UL mm (in) 100.5 (222) 103.5 (228)
  • Page 13 SPECIFICATIONS 75C2 , 90C2 MODEL 75C2 90C2 Item EPTO 810 (31.9) Overall Length mm (in) 508 (20.0) Overall Width mm (in) 1,540 (60.6) · 1,667 (65.6) Overall Height L·UL mm (in) Transom Height L·UL mm (in) 517 (20.4) · 644 (25.4) Weight L·UL kg (lb) 152 (335) ·...
  • Page 14 SPECIFICATIONS 115A2 MODEL 115A2 Item EPTO 800 (31.5) Overall Length mm (in) 495 (19.5) Overall Width mm (in) 1,640 (64.6) · 1,767 (69.6) Overall Height L·UL mm (in) Transom Height L·UL mm (in) 517 (20.4) · 644 (25.4) Weight L·UL kg (lb) 178 (392) ·...

  • Page 15: Names Of Parts

    NAMES OF PARTS NAMES OF PARTS EFO / 40B2 , 50B2 ○ ① ⑨ Tilt Handle Propeller Stop Switch ○ ② ⑩ Top Cowl Oil Plug (lower) Shift Lever ③ ○ ○ Hook Lever Water Inlet Anode ④ ○ ○...
  • Page 16 NAMES OF PARTS EFTO / 30B2 , 40B2 , 50B2 , W50B2 [W50] [W50] ○ ① ⑨ Tilt Handle Propeller Shift Lever ② ⑩ ○ Top Cowl Oil Plug (lower) Stop Switch ③ ○ ○ Hook Lever Water Inlet Pilot Lamp ④...
  • Page 17 NAMES OF PARTS EPTO / 30B2 , 40B2 , 50B2 , W50B2 [W50] [W50] ○ ① ⑨ Tilt Handle Propeller Battery Cords ○ ② ⑩ Top Cowl Oil Plug (lower) Power Trim & Tilt ③ ○ ○ Hook Lever Water Inlet Anode ④...
  • Page 18 NAMES OF PARTS EFTO / 75C2 , 90C2 ○ ① ⑨ Tilt Handle Oil Plug (upper) Power Trim & Tilt ○ ② ⑩ Top Cowl Water Inlet Anode ③ ○ ○ Hook Lever Oil Plug (lower) Flushing Connector Cap ④ ○...
  • Page 19 NAMES OF PARTS EPTO / 115A2 Note These parts for model 115A2 are not enclosed in the engine package. ① ○ ○ Tilt Handle Clamp Bracket Main Switch ② ○ ○ Top Cowl Thrust Rod Harness B ③ ○ ○ Hook Lever Fuel Nose Nipple Stop Switch...

  • Page 20: Locations Of Warning Labels

    20 LOCATIONS OF WARNING LABELS LOCATIONS OF WARNING LABELS Locations of warning labels Warning label regarding owner's manual, top cowl, engine stop switch, engine oil level and unleaded gasoline Warning label on posi- tion of outboard motor when setting down Warning label on engine stop switch CAUTI O N...

  • Page 21: Installation

    INSTALLATION INSTALLATION 1. Mounting the outboard motor on boat ■ Twin-engine Installation W h e n i n s t a l l i n g t w o o u t b o a r d engines, be sure to keep an interval WARNING of 470~660mm (for 30,40 and 50 models) or 700~890mm (for 75,90...
  • Page 22 22 INSTALLATION ■ Transom Height ■ Attaching the Clamp Bracket Install the engine with the Anti-ventilation After positioning the Clamp Bracket, fix it Plate at a level 10~30mm(0.4~1.2in.) with clamp screw then drill four holes in below the bottom of the boat. the transom board, matching the holes in the Clamp Bracket.
  • Page 23 INSTALLATION Clamp Bracket Dimensional Drawing ■ manual tilting type ■ with the Power Trim and Tilt type EFO 40, 50 EFTO, EPTO 30, 40, 50 Clamp Screw (EFTO type only) Washer Washer (large diameter) (large diameter) Washer Washer (small diameter) (small diameter) Bolt (12mm...

  • Page 24: Propeller Selection

    24 INSTALLATION Propeller Selection A propeller must be selected so that ■ Power Trim and Tilt type the engine rpm measured at wide EPTO 75, 90, 115 open throttle while cruising is within the max. operating range; 5,150 to 5,850 rpm For genuine propellers, refer to Propeller Table of this manual.

  • Page 25: Installing The Remote Control Devices

    Put Remote Control Cabies through the hole of upper grommet. WARNING And then set Cord Ass'y B and When using other than Tohatsu's genuine Meter lead wire (in case of use remote control box, DO NOT select the meter) on hollow of the lower one without neutral safety switch that grommet.
  • Page 26 26 INSTALLATION ◎ Screw the tip of the remote control the shift lever is in Neutral and the cable into the cable joint up to Free Accel lever is fully closed approx. 10mm (0.39inch), then when the remote control cables lock them with a lock nut.
  • Page 27 INSTALLATION ⑥ Adjust the cable joint (shift side) so Connecting the Remote Control Cable that the hole meets with the shift to the engine [75, 90, 115] arm pin, and lock the cable joint with the nut, and insert the shift ①...
  • Page 28 28 INSTALLATION when the remote control cables Throttle cable joint have been connected. R-shaped pin Washer Fully opened Shift cable joint Free Accel Shift arm lever Move the shift arm Forward, to Fully Neutral and to Reverse to confirm closed the shift is working, and then set the shift arm to Neutral.
  • Page 29 INSTALLATION ⑥ Install the hose clamp to the cord Connecting Cords and cable [30/40/50] grommet. ① Connect cable harness B and Install the cord clamp. meter lead wire to cable harness A. Bolt Cable Cable Hamess B Cord clamp Hamess A Hose clamp Meter lead wire ②...

  • Page 30: Installing The Meters

    30 INSTALLATION 4. Installing the meters Cut holes with 85mm (3.346 in.) I n s t a l l t h e m e t e r s s e c u r e l y i n diameter for the tachometer and t h e d a s h b o a r d w h e r e t h e y 52.5mm (2.067 in.) for the trim meter.
  • Page 31 INSTALLATION 75 90 115 Tachometer Trim gauge Trim sender 30 40 50 Cable harness B Meter lead wire Trim sender ■ Color Code B : black L : blue Lg : light green P : pink R : red W : white Y : yellow Y/R : yellow and red G/R : green and red...

  • Page 32: Installing The Drag Link Assembly

    32 INSTALLATION 5. Installing the drag link assembly Incorrect or unstable installation of the Drag Link Assembly can result in accidents while riding the boat or breakage of the hull. Installation of the Drag Link Assembly by your dealer is highly recommended. ①...

  • Page 33: Installing The Battery

    INSTALLATION 6. Installing the battery WARNING Battery generates explosive hydrogen This engine will not start without gas. Be sure to: battery. ● Charge the battery in a well-ventilated place. ● Place the battery away from any Note source of fire, sparks and open Minimum recommended battery more flames such as burners or welding than 0°C : 12V, 100AH (850 Cold...
  • Page 34 34 INSTALLATION ① Keep the battery in the designated battery space of the boat, Secure it tightly and make sure it cannot be reached by water. ② Connect the positive(+) cord connector (with red tube) to the positive (+) terminal first. Then connect the negative (-) cord connector to the negative (-) terminal.

  • Page 35: Pre-Operating Preparations

    GASOLINES CONTAINING ALCOHOL The fuel system components on your After cleaning gasoline tank: TOHATSU engine will withstand up to ● Wipe off gasoline well immediately if 10% alcohol content in the gasoline. spilt. ● If the fuel tank is disassembled But if the gasoline in your area contains for cleaning, reassemble carefully.

  • Page 36: Low Permeation Fuel Hose Requirement

    ● Starting and operating difficulties CAUTION WARNING When operating a TOHATSU engine on Fuel leakage can cause fire or explosion, gasoline containing alcohol, storage of potentially leading to severe injury or gasoline in the fuel tank for long periods loss of life.

  • Page 37: Epa Pressurized Portable Fuel Tank Requirements

    PRE-OPERATING PREPARATIONS REMOVING THE FUEL CAP 3. EPA pressurized portable fuel tank requirements Manual vent screw Fuel cap EQUIPPED FOR UNITED STATES AND CANADA MODEL The Environmental Protect ion Agency (EPA) required portable fuel systems that are produced after January 1, 2011 for use with outboard engines to remain fully sealed (pressurized) up to 34.4 kPa (5.0 psi).

  • Page 38: Recommended Engine Oil

    38 PRE-OPERATING PREPARATIONS The required amount of engine oil is 4. Recommended engine oil automatically supplied from the oil tank, through the oil pump, according Use a genuine engine oil or recommended to the engine running conditions. one . Refer to your Distributor. Gasoline is fed over a separate Will not recommend use of other two stroke feeding line.
  • Page 39 PRE-OPERATING PREPARATIONS ■ Oil pump air vent Visually check whether there is air in the oil through the vinyl pipe connecting the oil tank with the oil pump. If present, Purge the air as follows: 30, 40, 50 Loosen the air vent screw on the oil pump to purge the air, and tighten it when all air, as seen through the vinyl pipe on the oil pump side, has been...

  • Page 40: Break-In

    40 PRE-OPERATING PREPARATIONS 5. Break-in Your new outboard motor and lower CAUTION unit require break-in for the moving c o m p o n e n t s a c c o r d i n g t o t h e Operating the outboard motor without conditions described in the following break-in can shorten service life of the...

  • Page 41: Warning System

    PRE-OPERATING PREPARATIONS 6. Warning system ■ Warning against low oil level If the engine oil has decreased to the When there is something abnormal specified quantity or less, the warning with the engine, the warning lamp system is activated with flashing of the warning lamp and the buzzer that flashes and/or the buzzer sounds.
  • Page 42 42 PRE-OPERATING PREPARATIONS After replenishment of oil is complete, Remedy: start the engine and make sure that Move the boat to a safe place as the warning lamp in the tachometer soon as possible, and turn the throttle is turned off without sounding of grip or control lever to the low speed position.
  • Page 43 PRE-OPERATING PREPARATIONS ■ Battery voltage too low ■ Engine trouble If the battery voltage drops to 10 V or In case of an engine trouble, all the lower, the warning lamp flashes. three warning lamps flashes at the And also if the voltage is too high, all same time.

  • Page 44: Engine Operation

    44 ENGINE OPERATION ENGINE OPERATION For USA and Canada model 1. Starting (EPA approved tank) ① Full open the air vent screw on the WARNING tank cap and turn the tank cap until it contacts the tab lock. Close In case engine starts in gear, do not the tank cap after completely re- start cruising.
  • Page 45 ENGINE OPERATION ③ Install a lock in the stop switch. a. Repeat to squeeze the primer bulb until it becomes firm. Lock b . S e t t h e m a i n s w i t c h t o " O N " Stop switch position and hold it turned on for 3 seconds.
  • Page 46 46 ENGINE OPERATION ◎ Filter-Oil Pump-Cylinder Block 30 · 40 · 50 　 (75・90・115：② − ⑪ ) Rod snap a. Turn on the key switch. Link rod Cable Joint b. Within 1 second after the buzzer stops sounding, remove the stop Advancer arm switch lock.
  • Page 47 ENGINE OPERATION Starting Note ■ EFO, EFTO type Turn the handle grip to the "START" ① Set the shift lever to Neutral (fully closed), before turning the main switch key to "ON". The wrong operation i.e. turn the main switch key to "ON" on the condition CAUTION that the handle grip is opened will be memorized by ECU (engine control...
  • Page 48 48 ENGINE OPERATION ④ Release the main switch key as ■ EPTO type ① Insert the key into the remote soon as the engine starts. The key will return to the "ON" position control box. ② Set the Remote Control lever to automatically.
  • Page 49 ENGINE OPERATION ③ Turn the main switch key to "ON", Note and wait a few seconds until the If the main switch key is pressed for sound of the warning buzzer stops. 1(one) second during idling or trolling operation, the buzzer sounds and engine revolution changes.

  • Page 50: Warming Up The Engine

    50 ENGINE OPERATION CAUTION 2. Warming up the engine Be sure to stop engine immediately Before driving the boat, let the engine if cooling water check port is not run at low speed to let it warm and discharging water, and check if cooling allow the oil to circulate through the water intake is blocked.

  • Page 51: Forward And Reverse

    ENGINE OPERATION 3. Forward and reverse Note Do not increase engine speed WARNING unnecessarily in reverse. Before shifting into forward or reverse, make sure that boat is properly moored ■ EFO, EFTO type and outboard motor can be steered Turn the throttle grip toward "SLOW" fully to the right and left.
  • Page 52 52 ENGINE OPERATION WARNING ■ EPTO type While pressing the lock button on Before shifting, make sure that no the Remote Control lever upward, swimmer(s) or obstacle(s) is ahead or swiftly move the Lever to Forward (F) astern of the boat. or Reverse (R) to the engaging point (approx.32°...

  • Page 53: Shallow Water Running

    ENGINE OPERATION CAUTION 4. Shallow water running Be sure to warm up engine well before WARNING starting cruise. Operating cold engine can give damage to it. During shallow water operation, be careful not to place your hand between the swivel bracket and the stern bracket. Note Be sure to tilt the outboard down slowly.
  • Page 54 54 ENGINE OPERATION ■ EFO type ③ Releasing the shallow water setting ① S e t t h e R e v e r s e L o c k L e v e r a. Tur n the Reverse Lock Lever provided on the starboard side to upward to set them in "LOCK"...

  • Page 55: Stopping The Engine

    ENGINE OPERATION 5. Stopping the engine ■ EPTO type ① Move the Remote Control lever to Neutral (N) and let the engine idle WARNING for 2-3 minutes to allow it to cool down. ● Do not shift into Reverse during planning, or control will be lost Neutral (N) leading to serious personal injury,...
  • Page 56 56 ENGINE OPERATION ■ EFO, EFTO, EPTO type ④ Close the air vent screw on the fuel tank cap. Notes air vent screw ● After stopping the engine, close the air vent screw on the tank cap. ● Disconnect the fuel connector of the engine or the fuel tank.

  • Page 57: Trim Angle

    ENGINE OPERATION 6. Trim angle The following instructions explain how to set the best trim angle of the boat. EFO type The trim angle is adjusted by setting the thrust rod in the correct thrust rod Thrust rod hole. ■ Proper trim angle Select a lower hole The trim angle is optimum when the ■...
  • Page 58 58 ENGINE OPERATION WARNING EFTO, EPTO type The Provided Power Trim & Tilt can be ● Do not put hand or finger in between adjusted to set the desired trim angle outboard motor body and clamp of the outboard motor in relation to bracket when adjusting trim angle to the transom shape, planing speeds prevent injury in case the outboard...
  • Page 59 ENGINE OPERATION ■ Improper Trim Angle (bow rises too ■ Proper Trim Angle The trim angle is optimum when the high) If the trim angle is excessive, the boat is parallel to the water surface bow will rise out of the water and the while running.

  • Page 60: Mooring With The Engine Tilted Up

    60 ENGINE OPERATION 7. Mooring with the engine tilted up ③ Tilt the engine up entirely. The tilt will lock in the raised position. When the engine has been stopped and it will not be used for a long time or when mooring in shallow water, tilt the engine up to prevent damage to the propeller and gear case.
  • Page 61 ENGINE OPERATION ④ To tilt the engine down, Turn the ② Operate the Power Trim & Tilt R e v e r s e L o c k L e v e r u p w a rd switch and tilt and engine up. (toward "LOCK").
  • Page 62 62 ENGINE OPERATION WARNING ④ Manual tilting If the battery is dead, and the Do not tilt up or down outboard motor Power Trim & Tilt Switch thus when swimmer(s) or passenger is near inoperative, turn the manual valve to prevent them from being caught a few turns in the Manual direction.

  • Page 63: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR REMOVING AND CARRYING THE OUTBOARD MOTOR WARNING 1. Removing the outboard motor ① Stop the engine. Please disconnect fuel connector except when operating engine. ② Disconnect the fuel connector, the Fuel leakage is a fire or explosion remote control cables, the battery hazard, which can cause serious injury cords, bracket fixing bolts and...

  • Page 64: Storing The Outboard Motor

    64 REMOVING AND CARRYING THE OUTBOARD MOTOR WARNING 3. Storing the outboard motor Do not go under outboard motor tilted Keep the motor in a vertical position up even if it is supported by support when you store it. bar, or accidental fall of outboard motor could lead to severe personal injury.

  • Page 65: Trailering

    TRAILERING TRAILERING CAUTION When trailering the outboard motor should be in a vertical (normal running) position, fully down. Trailering in the tilted position may cause damage to the outboard motor, boat, etc. If trailering with outboard motor fully down is not available (the gear case skeg is too close to the road in a vertical position), fix the outboard motor securely using a device (like a transom...

  • Page 66: Adjustment

    66 ADJUSTMENT ADJUSTMENT 1. Remote control lever load Notes ● The trim tab also acts as an anode ■ EPTO type only to prevent electrolytic corrosion. 　 (Throttle friction adjustment screw) Therefore do not paint or grease To adjust the load of the remote this part.

  • Page 67: Steering Load Adjustment

    ADJUSTMENT 3. Steering load adjustment 4. Throttle grip turning load adjustment ■ 30, 40, 50 type ■ EFO, EFTO type Steering load can be adjusted by Turn the friction adjustment screw turning the steering adjust bolt on the on the steering handle to adjust the Swivel Bracket.

  • Page 68: Inspection And Maintenance

    68 INSPECTION AND MAINTENANCE INSPECTION AND MAINTENANCE Care of your outboard motor EPA Emissions Regulations To keep your outboard motor in the EPA (United States Environmental best operating condition, it is very Protection Agency) has emission important that you perform daily and regulations regulating air pollution periodic maintenance as suggested from new outboard motors.

  • Page 69: Daily Inspection

    INSPECTION AND MAINTENANCE 1. Daily inspection Perform the following checks and WARNING inspection before and after use. Do not use outboard motor on which any abnormality is found during pre-operation check, or it could go into trouble during cruising potentially leading to accident. Item Points to Check Action...
  • Page 70 70 INSPECTION AND MAINTENANCE Washing with fresh water Notes When the engine has been used in It is recommended to check chemical properties of water on which your salt water or polluted water, wash the outboard motor is regularly used. exterior and flush the cooling passage with fresh water using the flushing attachment.
  • Page 71 INSPECTION AND MAINTENANCE ■ Washing (continued) Replacing the propeller 　 (for 75・90 and 115 model) A worn-out or bent propeller will lower ◎ Stand the engine upright. (Don't the motor's performance, and cause p u t t h e e n g i n e i n t h e t i l t - u p engine trouble.
  • Page 72 72 INSPECTION AND MAINTENANCE When reusing spark plugs, remove WARNING dirt from the electrodes and adjust spark gap to specification. Do not hold propeller with hand(s) ① Remove the top cowl. when loosening or tightening propeller nut. Put a piece of wood block between ②...

  • Page 73: Periodic Inspection

    INSPECTION AND MAINTENANCE 2. Periodic inspection It is important to inspect and maintain your outboard motor regularly. At each interval on the chart below, be sure to perform the indicated servicing. Maintenance intervals should be determined according to the number of hours or number of months, whichever comes first.
  • Page 74 74 INSPECTION AND MAINTENANCE Inspection intervals Inspection Description First 20 Every 50 Every 100 Every 200 Remarks procedure hours or hours or hours or hours or 1 month 3 months 6 months 1 years Check and clean or ○ ○ ○...
  • Page 75 INSPECTION AND MAINTENANCE ③ Install the upper oil plug, and then Replacing gear oil remove oil tube nozzle and install the lower oil plug. WARNING 30 · 40 · 50 75 · 90 · 115 [W50] ● Be sure that outboard motor is secured to transom or service stand, or Upper accidental drop or fall of outboard motor...
  • Page 76 ● Check fuel system regularly for Float leakage. ● Contact Tohatsu dealer for fuel system services. Services by unqualified person could lead to engine damage. ◎ Fuel filters are provided inside the fuel tank and on the engine.
  • Page 77 INSPECTION AND MAINTENANCE Checking and Refilling Oil in the CAUTION Power Trim & Tilt. You may be injured due to high engine ① Check the oil level of the reservoir temperatures if you fill engine oil just after stopping. Changing engine oil tank as shown on the right while should be done after the engine has the tank is kept in a ver tical...
  • Page 78 78 INSPECTION AND MAINTENANCE CAUTION ③ Air purging from the Power Trim and Tilt unit. Do not fully unscrew the oil plug with Entrapped air in the Power Trim the engine tilted down. Pressurized oil & Tilt unit will cause poor tilting in the oil tank may spurt out.

  • Page 79: Off-Season Storage

    INSPECTION AND MAINTENANCE 3. Off-season storage ⑥ Apply grease to the propeller shaft. ⑦ Change the gear oil in the gear case. WARNING ⑧ Apply grease to all sliding parts, joints, nuts, and bolts. ● When the motor is out of the water, ⑨...
  • Page 80 80 INSPECTION AND MAINTENANCE ■ Battery ■ Electric Starter Motor ① Disconnect the battery cords. Coat the pinion gears and the shaft of ② Clean the exterior of the battery the electric starter motor with grease. with fresh water or compressed air. Wipe off any chemical deposits, dirt and grease from the battery.

  • Page 81: Pre-Season Check

    INSPECTION AND MAINTENANCE ◎ Forced fuel feeding−Refer to Item 4. Pre-season check No.6 Running, 2 Starting. ◎ Forced engine oil feeding−Refer to Have your dealer check the engine the same as above. before the season starts, or if your prefer, be sure to check the following items yourself: ①...

  • Page 82: Checking After Striking Underwater Object

    82 INSPECTION AND MAINTENANCE 5. Checking after striking underwater object 6. If the engine becomes submerged in water Striking sea bottom or underwater After pick up, immediately bring the object may severely damage the outboard to your dealer. outboard motor. F o l l o w i n g a r e t h e e m e r g e n c y Immediately bring the outboard m e a s u r e s t o b e t a k e n o n t h e...

  • Page 83: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING If you encounter problem with the engine, check the list below and locate the problem you are experiencing. Then follow the suggested remedies. Do not hesitate to contact your dealer, as professionals advice and assistance is the best way to keep the engine in optimum condition. Battery Power Trim Difficult...
  • Page 84 84 TROUBLESHOOTING Battery Difficult Engine Starter Power Boat will not to start runs motor will Trim & Tilt Possible causes speed loss hold engine erratically not crank Inoperative charge ● ● Propeller cavitation Incorrect propeller ● selection Damaged or bent ●...

  • Page 85: Tool Kit And Spare Parts

    TOOL KIT AND SPARE PARTS TOOL KIT AND SPARE PARTS 30 , 40 , 50 The following a list of the tools and spare parts provided with the motor. Name Quantity Remark Tool Bag Socket Wrench (16mm) Socket Wrench (10 × 13) Socket Wrench Handle Servicing Tools Pliers...
  • Page 86 86 TOOL KIT AND SPARE PARTS 75 , 90 ,115 The following a list of the tools and spare parts provided with the motor. Quantity Name Remark MD 75/90 MD 115 Tool Bag Socket Wrench (16mm) Socket Wrench (10 × 13) Socket Wrench Handle Servicing Tools Pliers...

  • Page 87: Optional Accessories

    OPTIONAL ACCESSORIES OPTIONAL ACCESSORIES Hour Meter Speedometer (engine operation hour counter) (50MPH) Speedometer Fuel Meter (75MPH) Water Pressure Meter Tachometer Flushing attachiment Voltmeter Drive cleaner...
  • Page 88 88 OPTIONAL ACCESSORIES Twin-control Box Kit (for twin-engine operation) Engine oil (4l) Tie Bar Kit B (for twin-engine operation) Genuine gear oil (500ml) Touch-up Spray Paint Propeller...

  • Page 89: Propeller Table

    PROPELLER TABLE PROPELLER TABLE To ensure optimum performance, the propeller should match the boat type and its load. Use a genuine propeller. A propeller must be selected so that the engine rpm measured at wide open throttle, while cruising, is within the recommended range. 5,150 to 5,850 rpm 75 90 30 40 50...
  • Page 90 M E M O M E M O...
  • Page 92 OWNER’S MANUAL 30B2 40B2 50B2 75C2 90C2 TOHATSU CORPORATION 115A2 Address : 5-4, 3-chome, Azusawa, Itabashi-ku, TOKYO, 174-0051 JAPAN Phone : TOKYO (03)3966-3117 FAX : TOKYO (03)3966-2951 URL : www.tohatsu.co.jp 003-11075-D 1109NB Printed in Japan...

This manual is also suitable for:

50b290c2115a275c2Md 30b2

Table of Contents