TOHATSU M 25H Owner's Manual
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TOHATSU M 25H Owner's Manual

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OWNER'S
MANUAL
M 25H
30H
OB No.003-11055-6

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Summary of Contents for TOHATSU M 25H

  • Page 1 OWNER’S MANUAL M 25H OB No.003-11055-6...
  • Page 2 INJURY OR DEATH. KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE. Copyright © 2014 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...
  • 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 ........GENERAL SAFETY INFORMATION .
  • Page 7 INDEX GENERAL SAFETY INFORMATION 1. SPECIFICATIONS 2. NAMES OF PARTS 3. INSTALLATION 4. PRE-OPERATING PREPARATIONS 5. ENGINE OPERATION 6. REMOVING AND CARRYING THE OUTBOARD MOTOR 7. TRAILERING 8. ADJUSTMENT 9. INSPECTION AND MAINTENANCE 10. TROUBLESHOOTING 11. TOOL KIT AND SPARE PARTS 12.

  • Page 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 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 25H, 25H EF, 25H EP MODEL 25H EF 25H EP Item Overall Length mm (in) 884 (34.8) 600 (23.6) Overall Width mm (in) 412 (16.2) 355 (14.0) 1,124 (44.3) · 1,251 (49.3) · 1,378 (54.3) Overall Height S L UL mm (in) 435 (17.1) ·...
  • Page 11 SPECIFICATIONS 30H, 30H EF, 30H EP MODEL 30H EF 30H EP Item Overall Length mm (in) 884 (34.8) 600 (23.6) Overall Width mm (in) 412 (16.2) 355 (14.0) 1,124 (44.3) · 1,251 (49.3) · 1,378 (54.3) Overall Height S L UL mm (in) 435 (17.1) ·...

  • Page 12: Names Of Parts

    NAMES OF PARTS 25H, 30H Tilt Handle Oil Plug (Lower) Stop Switch Top Cowl Oil Plug (Upper) Choke Knob Cooling Water Check Port Drive Shaft Housing Fuel Connector Water Plug Thrust Rod Primer Bulb Reverse Lock Lever Clamp Bracket Fuel Connector Anti Ventilation Plate Clamp Screw Fuel Tank Cap...
  • Page 13 NAMES OF PARTS 25H EF, 30H EF Tilt Handle Oil Plug (Upper) Choke Knob Top Cowl Drive Shaft Housing Main Switch Cooling Water Check Port Thrust Rod Fuel Connector Water Plug Clamp Bracket Primer Bulb Reverse Lock Lever Clamp Screw Fuel Connector Anti Ventilation Plate Throttle Grip...
  • Page 14 NAMES OF PARTS 25H EP, 30H EP Tilt Handle Oil Plug (Lower) Primer Bulb Top Cowl Oil Plug (Upper) Fuel Connector Cooling Water Check Port Drive Shaft Housing Fuel Tank Cap Water Plug Thrust Rod Air Vent Screw Reverse Lock Lever Clamp Bracket Fuel Pick up Elbow Anti Ventilation Plate...

  • Page 15: Mount Ng The Outboard Motor On Boat

    INSTALLATION Transom matching 1. Mounting the outboard motor on boat Be sure that the anti ventilation plate of the outboard motor is 30-50mm (1.2-2 in) below the bottom of hull. If the above condition cannot be Most boats are rated and cert fied met due to the shape of the bottom n terms of the r max mum a owab e of your boat, please consult your...
  • Page 16 INSTALLATION • Before beg nn ng the runn ng test, • Mount ng the outboard motor w thout check that the boat w th max mum fo ow ng th s manua can ead to capac ty oad ng floats on the unsafe cond t ons such as poor water n a proper att tude.
  • Page 17 When us ng other than Tohatsu’s genu ne remote contro box, DO NOT se ect the one w thout neutra safety sw tch that prevents n-gear start.
  • Page 18 INSTALLATION Fitting of Remote Control Cable to Engine Throttle side..Set the throttle cable to the cable clip and then connect the holder cap to the ball joint of advancer arm. Shift side..Set the shift cable to the cable clip and then insert the lock pin at the shift lever fitting hole and turn it 90°...

  • Page 19: Installing The Battery

    INSTALLATION Connecting the Cord Assembly 3. Installing the battery (Wiring Harness) Pass the cord assembly from the Place the battery box in a convenient remote control through the hole in position away from possible water the bottom cowl and connect the spray.
  • Page 20 INSTALLATION Connect the positive lead (+) to the positive terminal (+) of the battery, and then connect the negative lead Battery generates exp os ve hydrogen gas. Be sure to: (−). When disconnecting the battery • Charge the battery n a we - always remove the negative lead (−) vent ated p ace.

  • Page 21: Pre-Operating Preparations

    PRE-OPERATING PREPARATIONS 1. Recommended gasoline types Consu t an author zed dea er for deta s on hand ng of gaso ne, f necessary. Gaso ne and ts vapors are very Use of ow-qua ty gaso ne resu ts n flammab e and can be exp os ve.
  • Page 22 TOHATSU recommend the use of gasoline if its ethanol content is less than 10% or methanol content is less than 5%, only in case alcohol free Do not fill the fuel tank over capacity The...

  • Page 23: Recommended Engine Oil

    PRE-OPERATING PREPARATIONS 2. Recommended engine oil Note U s e a g e n u i n e e n g i n e o i l o r Use of engine oils that do not meet recommended one. Refer to your these requirements will result in reduced engine life, and other engine problems.
  • Page 24 PRE-OPERATING PREPARATIONS Engine oil – gasoline mixing procedure For quantities of engine oil and gasoline to be pre-mixed, refer to table in previous page. ● Do not use other than two stroke eng ne o w th spec fied grade, or the eng ne may be damaged.

  • Page 25: Break- N

    PRE-OPERATING PREPARATIONS 3. Break-in Your new outboard motor and lower 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 Operat ng the outboard motor w thout conditions described in the following break- n can shorten serv ce fe of the...

  • Page 26: Engine Operation

    ENGINE OPERATION Attach the fuel connector to the Before starting engine connector. The arrow mark on the primer bulb Before starting engine for the first time should be facing the engine. after reassembling engine or off-season storage, disconnect stop switch lock and pull the starter handle completely out approximately 10 times in order to prime the oil pump.
  • Page 27 ENGINE OPERATION Turn the throttle grip until the mark ■ 25H, 30H, EF type Place the shift lever in the Neutral on the grip faces the triagular mark position. on the steering handle. Be sure that the shift is in Neutral when starting the engine.
  • Page 28 ENGINE OPERATION ■ 25H, 30H type ■ EF type Push the starter button. Starting Guideline for 25H, 30H Release pushing the button when Temperature Starting procedure the engine has started. Over 25°C Turn the throttle grip to original (77°F) position, pull the choke knob and recoil starter once.
  • Page 29 ENGINE OPERATION Returns the Free accel lever to close ■ EP type position. Insert the main switch key. Set the control lever in the Neutral position. Raise the free accel lever a little (both Note of cold engine and warm engine). The free accel lever can raise when Turn the main switch key to START the control lever shift is in Forward or...

  • Page 30: Warming Up The Engine

    ENGINE OPERATION If the recoil starter fails to operate 2. Warming up the engine • Remove the top cowl and the recoil starter. Wrap a rope around the Warm the engine at low engine speeds starter pulley then pull quickly to for about three minutes.

  • Page 31: Forward And Reverse

    ENGINE OPERATION 3. Forward and reverse Be sure to stop eng ne mmed ate y f coo ng water check port s not d scharg ng water, and check f coo ng Before sh ft ng nto forward or reverse, water ntake s b ocked.
  • Page 32 ENGINE OPERATION ■ 25H/30H EF type Severe damage, and persona njury, may occur f sh ft ng at h gh eng ne speed. Eng ne must be n the s ow d e pos t on before sh ft ng s attempted. Forward Turn the throttle grip to reduce engine speed.
  • Page 33 ENGINE OPERATION Note • Before mov ng the Sh ft Lever to Frequent shifting to forward or reverse Reverse, make sure the Reverse can accelerate wear or degradation of Lock s engaged ( n up pos t on). parts. In such case, replace gear oil earlier than the period specified.

  • Page 34: Stopp Ng

    ENGINE OPERATION Note 4. Stopping The control lever is inoperative unless 25H, 30H and EF type the free accel lever is in the fully closed position. Note Reduce the engine speed when the control lever is in Neutral and do not increase the engine speed unnecessarily.

  • Page 35: Tr M Ang E

    ENGINE OPERATION EP type 5. Trim angle The trim angle of the outboard motor can be adjusted to suit the transom angle of the hull, and load conditions. Choose an appropriate trim angle that will allow the anti ventilation plate to run parallel to the water surface during operation.
  • Page 36 ENGINE OPERATION 6. Tilt up, tilt down and shallow water operation When t t ng up or down, be carefu not to p ace your hand between the sw ve bracket and the stern bracket. Be sure to t t the outboard motor down s ow y.
  • Page 37 ENGINE OPERATION ■ Sha ow water operat on • Do not put hand or finger n between outboard motor body and c amp bracket when adjust ng tr m Dur ng sha ow water operat on, be ang e to prevent njury n case the carefu not to p ace your hand between outboard motor body fa s.
  • Page 38 ENGINE OPERATION Return to normal running position: Put the reverse lock lever in the tilt down position, slightly lift up the Do not overt t outboard motor when dr v ng sha ow water, or a r outboard motor, and then put it may be sucked through subwater down.

  • Page 39: Removing And Carrying The Outboard Motor

    REMOVING AND CARRYING THE OUTBOARD MOTOR 1. Removing the outboard motor 3. Storing the outboard motor Stop the engine. Outboard motor should be stored in a Disconnect the fuel connector, vertical position. the remote control cables and the battery cords from the outboard Note motor.

  • Page 40: Trailering

    TRAILERING Do not go under outboard motor t ted When tra er ng the outboard motor up even f t s supported by support shou d be n a vert ca (norma runn ng) bar, or acc denta fa of outboard motor pos t on, fu y down.

  • Page 41: Adjustment

    ADJUSTMENT 1. Steering friction 2. Remote control lever load The steering friction can be adjusted (Throttle friction adjustment screw) in accordance with your preference by To adjust the load of the remote turning the steering adjusting bolt. control lever, turn the throttle friction adjustment screw on the front of the remote control.

  • Page 42: Trim Tab Adjustment

    ADJUSTMENT 3. Trim tab adjustment • nappropr ate adjustment of tr m If straight-line cruising can not be tab cou d cause steer ng d fficu ty. achieved, adjust the trim tab located After nsta ng or readjust ng tr m under the anti-ventilation plate.

  • Page 43: Inspection And Maintenance

    INSPECTION AND MAINTENANCE 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 maintenance schedules that follow. • Your persona safety and that of your passengers depends on how we you ma nta n your outboard motor.

  • Page 44: Daily Inspection

    INSPECTION AND MAINTENANCE 1. Daily inspection Perform the following checks before and after use. Do not use outboard motor f any abnorma ty s found dur ng pre-operat on check or t cou d resu t n severe damage to the motor or severe persona njury. Item Points to Check Action...
  • Page 45 INSPECTION AND MAINTENANCE Washing outboard motor ■ Use flush ng attachment. If outboard motor is used in salt water, Remove propeller (refer to Propeller brackish water or water with a high Replacement). Remove the water acidic level, use fresh water to remove plug from the outboard motor, and salt, chemicals or mud from exterior screw in the flushing attachment.
  • Page 46 INSPECTION AND MAINTENANCE Remove the split pin, propeller nut and washer. Remove the propeller and thrust Keep eng ne at d e speed dur ng flush ng. holder. A p p l y g e n u i n e g r e a s e t o t h e Replacing the propeller A worn-out or bent propeller will lower propeller shaft before installing a...
  • Page 47 INSPECTION AND MAINTENANCE Note Do not ho d prope er w th hand(s) When inspecting the plug, always when oosen ng or t ghten ng prope er clean the gasket surface and use a nut. Put a p ece of wood b ock new gasket.
  • Page 48 INSPECTION AND MAINTENANCE Replacing the anode A sacrificial anode protects the outboard motor from galvanic corrosion. Anode is located on the gear case, clamp bracket and the cylinder. When the anode is eroded more than 2/3, replace it. Notes • Never grease or paint the anode. •...

  • Page 49: 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 50: Fuel Tank

    INSPECTION AND MAINTENANCE Cleaning the fuel filters and the ■ Fue fi ter (for fue tank) fuel tank Remove the fuel pickup elbow of the Fuel filters are provided inside the fuel fuel tank by turning it counterclockwise tank and engine. and clean the fuel filter.
  • Page 51 INSPECTION AND MAINTENANCE Replacing gear oil • Be sure that outboard motor s secured to transom or serv ce stand, or acc denta drop or fa of outboard motor cou d ead to severe persona njury. • Be sure to ock outboard motor f t s t ted up, or acc denta fa of outboard motor cou d ead to Install the upper oil plug, and then...

  • Page 52: Off-Season Storage

    INSPECTION AND MAINTENANCE over several times while feeding the 3. Off-season storage oil into it and make sure it is evenly distributed. Before you put your outboard motor Change the gear oil in the gear in storage, it is a good opportunity to case.

  • Page 53: Pre-Season Check

    INSPECTION AND MAINTENANCE 4. Pre-season check Specific Terminal Charge Gravity at 20 °C Voltage (V) Condition Check that the shift and throttle Fully discharged function properly. (Be sure to turn the propeller shaft /4 charged when checking the shift function or else /2 charged the shift linkage may be damaged.) 3/4 charged...

  • Page 54: Motor Submerged N Water

    INSPECTION AND MAINTENANCE 5. Motor submerged in water 6. Cold weather precautions After taking your outboard motor out of If you moor your boat in cold weather the water, immediately take it to your at temperatures below 0˚C (32˚F), dealer. there is the danger of water freezing The following are the emergency in the cooling water pump, which may...

  • Page 55: Check Ng After Str K Ng Underwater Object

    INSPECTION AND MAINTENANCE 7. Checking after striking underwater object S t r i k i n g t h e s e a b o t t o m o r a n u n d e r w a t e r o b j e c t m a y s e v e re l y d a m a g e t h e o u t b o a r d m o t o r.

  • Page 56: Troubleshooting

    TROUBLESHOOTING If you encounter a problem, consult the check 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 ● ●...
  • Page 57 TROUBLESHOOTING Possible cause Loose battery terminal connection corrosion ● EP and EF Discharged battery ● types Main switch trouble ● Lock plate not fitted to stop switch ● Disconnection of wire or loose ground connection ● nsufficient battery capacity loose terminal EP and EF ●...

  • Page 58: Tool Kit And Spare Parts

    TOOL KIT AND SPARE PARTS The following a list of the tools and spare parts provided with the motor. tems Quantity Remark Tool Bag Pliers Socket Wrench 10 X 13mm Service Tools Socket Wrench 21mm Socket Wrench Handle Straight Edge Screwdriver Rope Spare Parts Spark Plug...

  • Page 59: Optional Accessories

    OPTIONAL ACCESSORIES...
  • Page 60 OPTIONAL ACCESSORIES...

  • Page 61: Propeller Table

    PROPELLER TABLE 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. 25H 5,000 to 6,000 rpm 30H 5,150 to 5,850 rpm 25H, 30H Propeller Size (Diameter x pitch) Mark...
  • Page 64 OWNER’S MANUAL TOHATSU CORPORATION Address : 5-4, 3-chome, Azusawa, Itabashi-ku, TOKYO, 174-0051 JAPAN Phone : TOKYO (03)3966-3117 FAX : TOKYO (03)3966-2951 Website : www.tohatsu.co.jp 003-11055-6 1311NB Printed in Japan...

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M 30h

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