TOHATSU M 25H Owner'S Manual Download Page 16 | Manualshive

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PARTS NAME

ENOM00820-0

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ENOF01802-0

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Tilt Handle

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Top Cowl

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Cooling Water Check Port

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Water Plug

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Reverse Lock Lever

6

Anti-Ventilation Plate

7

Trim Tab

8

Sub-Water Inlet

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Water Inlet

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Propeller

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Oil Plug (Lower)

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Oil Plug (Upper)

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Drive Shaft Housing

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Thrust Rod

15

Clamp Bracket

16

Clamp Screw

17

Throttle Grip

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Adjust Nut

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Shift Lever

20

Starter Handle

21

Stop Switch

22

Choke Knob

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Fuel Connector

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Spark Plug

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Fuel Filter

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Summary of Contents for M 25H

Page 1: ... 2 Έ䗴䢚 ...

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Page 3: ...OB No 003 11055 7AF1 M25H M30H MANUAL OWNER S ...

Page 4: ...IONS IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH KEEP THIS MANUAL IN A SAFE LOCATION FOR FUTURE REFERENCE Copyright 2016 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 5: ...motor please follow the troubleshooting procedures listed at the end of this manual If the problem persists contact an authorized TOHATSU service shop or dealer Please always keep this manual together with the outboard motor as a reference to every one who uses the outboard motor If the outboard motor is resold make sure the manual is passed on to the next owner We hope you will enjoy your outboar...

Page 6: ...he outboard motor s serial number indicated both on the bottom cowl and on the cylinder block The serial number will be needed when order ing parts and when making technical or warranty inquiries Serial Number Serial Number Date of purchase ENOF01800 0 ENOF01801 0 ...

Page 7: ...tion to such information to ensure safe operation of the outboard motor at all times ENOW00001 0 Failure to observe will result in severe personal injury or death and possibly property dam age ENOW00002 0 Failure to observe could result in severe personal injury or death or property damage ENOW00003 0 Failure to observe could result in personal injury or property damage ENON00001 0 Note This instr...

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Page 9: ...7 4 Forward reverse and acceleration 38 5 Stopping the engine 40 6 Steering 42 7 Trim angle 42 8 Tilt up and down 44 9 Shallow water operation 45 8 REMOVING AND CARRYING THE OUTBOARD MOTOR 47 1 Removing the outboard motor 47 2 Carrying the outboard motor 47 3 Traillering 48 9 ADJUSTMENT 50 1 Steering friction 50 2 Throttle grip friction 50 3 Trim tab adjustment 50 10 INSPECTION AND MAINTENANCE 52 ...

Page 10: ...11 TROUBLESHOOTING 68 12 TOOL KIT AND SPARE PARTS 70 13 PROPELLER TABLE 71 ...

Page 11: ...L 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 PROPELLER TABLE INDEX 2 14 3 4 5 6 7 8 9 10 11 12 13 14 1 ...

Page 12: ...ANY SOLID DEVICE RIGIDLY ATTACHED TO A BOAT OR GEAR HOUSING ENOM0008 A EMERGENCY STOP SWITCH The Emergency Stop Switch will stall the outboard motor when the stop switch lanyard is pulled off This stop switch lanyard has to be attached to the operator of the outboard motor to minimize or prevent injuries from the propeller in case the operator falls over board It is operator s responsibility to us...

Page 13: ...fe operation Please comply with all instructions concerning lubrication and maintenance You should take the engine to an authorized dealer or service shop for periodic inspection at the prescribed intervals Correct periodic maintenance and proper care of this outboard motor will reduce the chance of problems and limit overall operating expenses Carbon Monoxide Poisoning Hazard Exhaust gas contains...

Page 14: ... z z z z UL z z Tiller Handle z z z z Remote Control z z Mnual tilt z z z z z z M 30 H M F L Model description Horse power Product generation Starter system Steering system Shaft length M X Two stroke F Four stroke D Two stroke DI A and up E Electrical start M Manual start P Remote control Pleasure F Tiller handle Fisher S Short 15 in L Long 20 in UL Ultra long 25 in ...

Page 15: ...ng Speed in Forward Gear rpm 800 Idle Speed in Neutral Gear rpm 950 Engine Type 2 Stroke Number of Cylinder 2 Bore x Stroke mm in 68 x 59 2 68 x 2 32 Piston Displacement mL Cu in 429 26 16 Exhaust System Through hub exhaust Cooling System Forced water cooling Lubrication System Engine Oil Mixed Gasoline Starting System Manual Electric starter motor 1 Ignition System Flywheel Magneto C D Ignition S...

Page 16: ...t 4 Water Plug 5 Reverse Lock Lever 6 Anti Ventilation Plate 7 Trim Tab 8 Sub Water Inlet 9 Water Inlet 10 Propeller 11 Oil Plug Lower 12 Oil Plug Upper 13 Drive Shaft Housing 14 Thrust Rod 15 Clamp Bracket 16 Clamp Screw 17 Throttle Grip 18 Adjust Nut 19 Shift Lever 20 Starter Handle 21 Stop Switch 22 Choke Knob 23 Fuel Connector 24 Spark Plug 25 Fuel Filter ...

Page 17: ... 5 Reverse Lock Lever 6 Anti Ventilation Plate 7 Trim Tab 8 Sub Water Inlet 9 Water Inlet 10 Propeller 11 Oil Plug Lower 12 Oil Plug Upper 13 Drive Shaft Housing 14 Thrust Rod 15 Clamp Bracket 16 Clamp Screw 17 Throttle Grip 18 Adjust Nut 19 Shift Lever 20 Starter Handle 21 Battery Cable 22 Stop Switch 23 Choke Knob 24 Fuel Connector 25 Maine Switch 26 Spark Plug 27 Fuel Filter ...

Page 18: ...g Water Check Port 4 Water Plug 5 Reverse Lock Lever 6 Anti Ventilation Plate 7 Trim Tab 8 Sub Water Inlet 9 Water Inlet 10 Propeller 11 Oil Plug Lower 12 Oil Plug Upper 13 Drive Shaft Housing 14 Thrust Rod 15 Clamp Bracket 16 Clamp Screw 17 Shift Lever 18 Starter Handle 19 Battery Cable 20 Fuel Connector 21 Spark Plug 22 Fuel Filter ...

Page 19: ...te control box Fuel tank 1 Control Lever 2 Neutral lock arm 3 Free throttle lever 4 Main switch 5 Stop switch 6 Stop switch lock 7 Stop switch lanyard 8 Fuel gauge 9 Air vent screw 10 Fuel tank cap 11 Fuel connector Engine side 12 Primer bulb 13 Fuel connector Fuel tank side ...

Page 20: ...18 4 LABEL LOCATIONS ENOM00019 A Warning label locations 4 1 2 3 7 8 6 5 ENOF01803 0 ...

Page 21: ...ng high voltage For RC model 4 Warning label regarding stop switch lanyard 5 Warning regarding gasoline 6 Warning regarding gasoline See page 26 7 Warning regarding gasoline See page 26 8 Warning regarding gasoline See page 26 ENOF00005 W ENOF00005 X 3C8 72181 0B ENOF00005 D ENOF00005 E ENOF00005 L ENOF00005 M ENOF00005 F ...

Page 22: ...de Model name 2 Rated power 3 Dry mass weight 4 Serial No 5 Manufacture name 6 Manufacture address Serial number label locations r e w o P d e t a R r o t o M d r a o b t u O o N l a i r e S s s a M n a p a J n i e d a M ENOF01804 0 2 3 4 5 6 1 ...

Page 23: ...ly resulting in lost of control and or serious personal injury Be sure that fasteners are tightened to the specified torque 30 Nm 3 0 kgf 13 ft lb Check the fasten ers for tightness from time to time z Be sure to use outboard mounting fas teners included in the outboard motor package or their equivalents in terms of size material quality and strength Tighten fasteners to the specified torque 30 Nm...

Page 24: ... is near the bottom cowl ing in high waves water may enter the engine cylinders z Incorrect outboard motor mounting height or existence of underwater object s such as hull bottom design bottom surface conditions or underwa ter accessories can cause water spray possibly reaching the engine through an opening of the bottom cowling during cruising Exposing the engine to such conditions for extended p...

Page 25: ... easy to reach and operate the controls Make sure there are no obstacles that can interfere with the operation of the remote control cable ENOW00850 0 Remote control cable length ENOW00100 A Be careful not to loop the remote control cables to a diameter of 406 mm 16 inches or less Otherwise it affects the service life of the cable Measure the distance from the remote control box to the outboard mo...

Page 26: ...not charge the battery when the electrolyte level is low Otherwise the battery will be damaged and may cause malfunction ENOW00014 0 z Make sure that the battery leads do not get stuck between the outboard motor and boat when turning etc z The starter motor may fail to operate if the leads are incorrectly connected z Be sure to correctly connect the and leads If not the charging system will be dam...

Page 27: ...al of the battery and then connect the negative lead When disconnecting the battery always remove the negative lead first After connecting the positive ter minal securely place a cap on it to prevent short circuits 1 Battery cord red 2 Battery cord black 2 1 ENOF00022 0 ...

Page 28: ... the ethanol in the gasoline can absorb moisture from the air resulting in a separa tion of the water ethanol from the gasoline in the fuel tank These may cause increased z Corrosion of metal parts z Deterioration of rubber or plastic parts z Fuel permeation through rubber fuel lines z Starting and operating difficulties If the use of gasoline containing alcohol is inevitable or presence of alcoho...

Page 29: ...e When or before refueling z Be sure to remove the static electricity charged in your body before refueling z The sparks due to static electricity may cause explosion of flammable gasoline z Stop the engine and do not start the engine during refueling z Do not smoke z Be careful not to overfill fuel tank Wipe up any spilled gasoline immediately When or before cleaning the gasoline tank z Dismount ...

Page 30: ...oil Mix well by hand The mixing ratio during break in running is 25 1 Mixing Ratio ENOM01003 0 Engine oil gasoline mixing procedure ENOW00937 0 z Do not use other than two stroke engine oil with specified grade or the engine may be damaged z Do not use fuel prepared in other than specified mixing ratio Lack of engine oil can cause severe engine trouble such as piston seizure Excess of engine oil c...

Page 31: ...and even When fuel tank built in the boat is used for operation of outboard motor s 1 Prepare separate fuel container for pre mixing 2 Pour engine oil into fuel container and then gasoline 3 Put cap on the container and close tightly 4 Shake the container to mix engine oil and gasoline well and even 5 Pour the mixture into fuel tank ENON00922 0 0 Notes z It is recommended to pre mix by using separ...

Page 32: ...d z Always attempt to stay on the windward side of emission ENOW00023 0 Operating the outboard motor without break in can shorten service life of the product If any abnormality is experienced during the break in z Discontinue the operation immediately z Have the dealer check the product and take proper action s if necessary ENOM01004 0 Fuel mix ratio for break in Gasoline 25 Genuine Engine Oil 1 2...

Page 33: ...ap be sure to fol low the procedure described below Fuel could blast out through the fuel tank cap in case the cap is loosened by using another procedure when internal pressure of fuel tank is raised by heat from sources such as sun light 1 Full open the air vent screw on the fuel tank cap 1 Air vent screw 2 Fuel tank cap 2 Open the fuel tank cap slowly and release internal pressure completely Aft...

Page 34: ...when starting the engine in the test tank See page 59 1 Test tank 2 Water 3 Over 10 cm 4 in ENOW00036 0 Be sure to stop engine immediately if cool ing water check port is not discharging water and check if cooling water intake is blocked Operating engine could lead to overheating potentially leading to engine damage Consult an authorized dealer if the cause cannot be found This model is provided w...

Page 35: ...operator or to the operator s PFD Personal Flo tation Device 1 Stop switch lock 2 Stop switch 2 Set the control lever in the Neutral position 1 Shift lever 3 Set the throttle grip to START position 1 Throttle grip 2 START position 3 Fully closed 4 Fully opened 4 Pull the choke knob fully 1 Choke knob ENOF01805 0 1 2 ENOF01806 0 1 N 1 4 3 2 ENOF01714 0 1 ENOF01824 0 ...

Page 36: ...possible and or damaging the starter If cranking over 5 seconds fails to start engine return main switch to ON and crank engine again after 10 seconds or more 5 Return the choke knob fully after engine has started 6 Check the cooling water from cooling water check port 1 Cooling water check port 2 Idle port Side mount RC type 1 Be sure to install the stop switch and attach the stop switch lanyard ...

Page 37: ...the Free accel lever after engine has started 8 Check the cooling water from cooling water check port 1 Cooling water check port 2 Idle port ENOM00042 C Emergency starting ENOW00099 A When the emergency starter rope is used for starting engine z Start in gear protection does not work Be sure to shift is at neutral position Otherwise the engine will move the boat immediately and cause personal inju...

Page 38: ... wind the rope around the flywheel sev eral turns clockwise 5 Tie a loop in the another end of the emergency starter rope and attach socket wrench that is included in the tool kit ENOW00860 0 Be sure to keep the harness away from the rotation parts 6 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 Perso...

Page 39: ...arted 5 Return the choke plate to open posi tion ENOM00043 A ENOW00932 0 Be sure to check that cooling water is coming out of the cooling water check port during warm up Warm the engine at low engine speeds for about 3 minutes above 41 F 5 Υ 5 minutes at 2000 rpm above 41 F 5 Υ This allows the lubricating oil to circulate to all parts of the engine Operating the engine without warm up shortens the...

Page 40: ...aged z Do not shift into Reverse during cruis ing or control may be lost falling down or causing passenger s to be thrown overboard Leading to serious personal injury and steering system and or shift ing mechanism may be damaged ENOW00861 0 Do not shift at high boat speed or control may be lost falling down or causing pas senger s to be thrown overboard Leading to serious personal injury ENOW00862...

Page 41: ...eed 2 When the engine reaches trolling or idling speed quickly pull the shift lever to the Reverse position 1 Shift lever 2 Forward 3 Reverse Acceleration ENOW00867 0 Sudden acceleration and deceleration may cause passenger s to be thrown over board or falling down Open throttle grip gradually 1 Throttle grip 2 START position 3 Fully closed 4 Fully opened ENOM0900 0 Side mount RC type ENOW00867 0 ...

Page 42: ...he lock button located under the con trol lever grip 2 Further rearward motion will open the throttle Acceleration ENOW00867 A Sudden acceleration and deceleration may cause passenger s to be thrown over board or falling down Open throttle grip or control lever gradu ally 1 Control lever ENOM00049 A ENOW00868 0 Be careful not to remove engine stop switch lanyard from engine accidentally while boat...

Page 43: ...unt RC type 1 Put the control lever in the Neutral position and run the engine for 2 3 minutes at idling speed for cooling down if it has been running at full speed 2 Turn the main switch key to the OFF position or push the stop switch Do not forget to turn the key off 1 Control lever 2 Main switch key ENOW00869 0 After stopping the engine z Close the air vent screw on the fuel tank cap z Disconne...

Page 44: ... Left turn Move the tiller handle to the right Remote control type Right turn Turn the steering wheel to the right Left turn Turn the steering wheel to the left ENOM00050 0 ENOW00043 A z Adjust the trim angle when the engine is stopped z Do not put hand or finger in between outboard motor body and clamp bracket when adjusting trim angle to prevent injury in case the outboard motor body falls 6 Ste...

Page 45: ...ontrol of boat may be lost 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 ENOM00052 0 Proper trim angle The position of the thrust rod is correct if the hull is horizontal during operation 1 Perpendicular t...

Page 46: ...between the swivel bracket and the stern bracket Be sure to tilt the outboard motor down slowly ENOW00056 A When tilting up outboard motor with fuel joint for over a few minutes be sure to dis connect fuel hose or fuel may leak poten tially catching fire ENOW00057 0 Do not tilt up outboard motor while engine operates or no cooling water may be fed leading to engine seizure due to overheat ing ENON...

Page 47: ...e your hand between the swivel bracket and the clamp bracket Be sure to tilt the outboard motor down slowly ENOW00053 0 While in shallow water drive position do not operate the outboard motor in Reverse Operate the outboard motor at slow speed and keep the cooling water intake sub merged ENOW00054 0 Do not overtilt outboard motor when driv ing shallow water or air may be sucked through water inlet...

Page 48: ...the outboard motor in the shal low water running position 1 Reverse lock lever 2 Tilt up position 3 Tilt down position 2 Return to normal running position Put the reverse lock lever in the tilt down position slightly lift up the out board motor and then put it down 1 Reverse lock lever 2 Tilt up position 3 Tilt down position 1 3 2 ENOF01813 0 1 3 2 ENOF01813 0 ...

Page 49: ...hich can cause serious injury or death ENOW00065 0 Close air vent screw of fuel tank before carrying or storing outboard motor and fuel tank or fuel may leak potentially catching fire ENOW00066 0 z Do not give a shock to an outboard motor during transportation It becames a cause of breakage z Do not carry or store outboard motor in any of positions described below Otherwise engine damage or proper...

Page 50: ...uel tank and fuel cock before carrying or storing outboard motor and fuel tank or fuel may leak potentially catching fire ENOW00071 0 The tilt support device supplied on your outboard motor is not intended for towing It is intended to support the outboard motor while the boat is docked beached etc When transporting a boat on a trailer with the outboard motor still attached discon nect the fuel lin...

Page 51: ...nd clearance should be provided sufficiently 2 Transom saver bar ENOW00067 0 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 WARNING 2 1 ENOF00073 A ...

Page 52: ...e grip can be made with the throttle adjustment screw 1 Heavier 2 Lighter 3 Throttle friction adjustment screw ENOM00076 0 ENOW00076 0 z Be sure that outboard motor is secured to transom or service stand or acciden tal drop or fall of outboard motor could lead to severe personal injury z Be sure to lock outboard motor if it is tilted up or accidental fall of outboard motor could lead to severe per...

Page 53: ... direct the trim tab towards A left from rear of boat z If the boat veers toward the right direct the trim tab towards B right from rear of boat 1 Trim tab ENON00022 A Notes z After adjustment securely tighten the trim tab fixing bolt z Check for looseness of the bolt and the trim tab at regular intervals 1 1 ENOF00912 A ...

Page 54: ... and mainte nance procedures described in this sec tion z The maintenance intervals shown in the checklist apply to an outboard motor in normal use If you use your outboard motor under severe conditions such as frequent full throttle operation frequent operation in brackish water or for com mercial use maintenance should be per formed at shorter intervals If in doubt consult your dealer for advice...

Page 55: ...or and magneto work normally when turning the throttle grip and check links for looseness Replace 1 Correct 1 Recoil Starter Check ropes for wear and chafing Check the ratchet for engagement Replace 1 Correct or replace 1 Clutch and Propeller System Check that clutch engages correctly when operating the shift lever and remote control Visually check propeller for bent or damaged blades Check the pr...

Page 56: ...ssage after every cruising or before storing outboard motor for long time Before flushing remove the propeller and the forward thrust holder ENOM00085 E Flushing attachment ENOW00921 0 Do not operate the engine when flushing the outboard motor with a flushing attach ment as this can cause damage to the out board motor ENOW00922 0 To prevent the engine from starting when you are near the propeller ...

Page 57: ... replacing a fuse disconnect the battery cable from the battery negative terminal Failure to do so may cause a short circuit ENOW00924 0 Never use a fuse with a rating that exceeds the specified rating as this could cause serious damage to the electrical system If a blown fuse is detected try to deter mine the cause for this and correct it If the cause for the problem is not corrected the fuse wil...

Page 58: ...ean and adjust Fuel filter z z z Check and clean or Replace if necessary Piping Hose z z z Check and Replace if necessary Fuel tank z z Clean Ignition Spark plugs z z Check gaps Remove carbon deposits or Replace if necessary 0 9 1 0 mm 0 035 0 039 in Ignition timing 1 z z Adjust timing Starting System Starter motor 1 z Check for salt deposits and battery cable condition Battery z z z Check Install...

Page 59: ...ularly for leakage z Contact authorized dealer for fuel sys tem services Services by unqualified person could lead to engine damage Water or dirt in the fuel filter and tank will cause engine performance problems Check and clean the fuel filter and tank at specified times or after the outboard motor has been stored for a long period of time over three months Fuel filters are provided inside the fu...

Page 60: ...r tilted up and locked or accidental fall of out board motor could lead to severe per sonal injury ENON00934 0 Note Please dispose of used oil in a manner that is compatible with the environment We suggest you take it in a sealed container to your local service station for reclamation Do not throw it in the trash pour it on the ground or down a drain 1 Tilt down the outboard motor 2 Remove the oil...

Page 61: ...removal and installation procedure with spark plug caps attached shift in forward or reverse main switch at other than OFF engine stop switch lock attached to the switch and starter key attached or engine could accidentally start lead ing to serious personal injury Discon nect battery cable if possible z The propeller edge is thin and sharp Wear the groves during replacement to protect your hands ...

Page 62: ... with damaged insulation or sparks can leak through crack potentially leading to electric shock explosion and or fire z Do not touch spark plugs immediately after stopping engine as they will be hot and could cause severe burns if touched Allow motor to cool down first ENOW00929 0 Use only the recommended spark plugs Spark plugs which have an different heat range may cause engine damage If the spa...

Page 63: ...k plug NGK B7HS 10 or BR7HS10 1 Electrode 2 Spark gap 0 9 1 0 mm 0 035 0 039 in 7 Install the spark plug by hand and turn it carefully to avoid cross threading 8 Tighten the spark plug to the specified torque ENON00028 0 Note z Spark plug torque 27 0 Nm 20 0 ft lb 2 7 kgf m If a torque wrench is not available when you are fitting a spark plug a good estimate of the correct torque is 1 4 to 1 2 a t...

Page 64: ...rolytic corrosion Anode is located on the gear case cylinder etc When the anode is eroded more than 1 3 of origi nal size replace it ENON00029 0 Notes z Never grease or paint the anode z At each inspection re tighten the anode attaching bolt As it is likely to be subjected to electrolytic corrosion 1 Both side ENOF01820 0 ...

Page 65: ...INSPECTION AND MAINTENANCE 63 10 ENOM00960 0 Grease point Apply water proof grease to the parts shown below 1 Other side Opposite side 2 Both side ENOF01821 0 1 2 ...

Page 66: ... flush the cooling water system thoroughly with fresh water Drain the water com pletely Wipe off any surface water with an oily rag 2 Remove the fuel hose from the out board motor 3 Drain all fuel from the fuel hoses fuel pump fuel filter See page 57 and car buretor See page 66 and clean these parts Keep in mind that if gasoline is kept in the carburetor for a long time gum and varnish will develo...

Page 67: ...e commercially available first fill the fuel tank with fresh oil and fuel If the fuel tank is only partially filled air in the tank can cause the fuel to deteriorate during stor age 1 Before adding fuel stabilizer additive drain the carburetor See page 66 2 Follow the instructions on the label when adding the fuel stabilizer additive 3 After adding the additive let the out board motor run in the w...

Page 68: ...uel filter and fuel in the fuel tank 1 Carburetor drain screw ENOM00104 E The following steps must be taken when first using the engine after off season storage 1 Check that the shift and throttle function properly Be sure to turn the propeller shaft when checking the shift function or else the shift linkage may be damaged 2 Check the electrolyte level and measure the voltage and specific gravity ...

Page 69: ... out board motor ENOM00106 A If you moor your boat in cold weather at tem peratures below 0 C 32 F there is the dan ger of remained water freezing in the cooling water pump which may damage the pump impeller etc To avoid this problem sub merge the lower half of the outboard motor into the water ENOM00107 A ENOW00935 0 Striking the sea bottom or an underwater object may severely damage the outboard...

Page 70: ...r vent on fuel tank z z z z z z z Clogged fuel filter fuel pump or carburetor z z z z z Use of improper engine oil z z z z z Use of improper gasoline z z z z z z Excessive oil in mixture z Shortage of oil in mixture z z Excessive supply of fuel z z z z z z z Poor carburetor adjustment z z z z z z Recirculation pipe broken ELECTRIC SYSTEMS z z z z z z z Spark plug other than specified z z z z z z D...

Page 71: ... z z z z Incorrect propeller selection z z z z z z Damaged and bent propeller z z z z Improper thrust rod position z z z z z Unbalanced load on boat z z z z z Transom too high or too low Engine failing to start Engine starting but stoping soon Poor idling Poor acceleration Engine speed abnormally high Engine speed abnormally low High engine speeds not possible Overheating of engine Possible cause ...

Page 72: ...cket Wrench Socket Wrench Socket Wrench Handle Screwdriver Phillips type and flat head 1 1 1 1 1 1 10 x 13 mm 21 mm Adapter type Spare Parts Rope Spark Plug Split Pin 1 1 1 NGK BR7HS 10 Parts Packaged with Engine Fuel Tank Primer bulb 1 1 set Remote Control Remote Control Attachment Drag Link 1 set 1 set 1 set EP only EP only EP only Bracket Fixing Bolt Bracket Fixing Nut Washer 2 2 4 8 x 85 mm 8 ...

Page 73: ...hrottle while cruising is within the recommended range 25H 5000 to 6000 rpm 30H 5150 to 5850 rpm Mark Propeller Size Diameter x pitch inch mm Heavier Load Lighter Load 8 10 2 x 8 3 260 x 210 DS9 9 72 x 9 247 x 229 DS10 9 72 x 10 247 x 254 DS11 9 8 x 11 249 x 279 DS12 9 8 x 12 249 x 305 DS13 9 6 x 13 244 x 330 14 9 9 x 14 2 252 x 360 ...

Page 74: ...OWNER S MANUAL M 25H M 30H 003 11055 7AF1 1512NB Printed in Japan ...

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