15C 20C MFS - Tohatsu

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56 INSPECTION AND MAINTENANCE2. Periodic InspectionIt is important to inspect and maintain your outboard motor regularly. At eachinterval on the chart below, be sure to perform the indicated servicing. Maintenanceintervals should be determined according to the number of hours or number ofmonths, whichever comes first.Inspection intervalsDescriptionFirst 20 Every 50 Every 100 Every 200hours of 1 hours of 3 hours of 6 hours or 1month months months yearInspection procedureRemarksFuelSystemIgnitionCarburetor *1 ○ ○ Strip clean, and adjust.Fuel filter ○ ○ ○ ○Check and clean or Replace ifnecessary.Piping/Hoses *2 ○ ○ ○ ○Check and clean or Replace ifnecessary.Fuel tank *2 ○ ○ ○ CleanFuel tank Cap *2 ○ ○ ○ ○Check and clean or Replace ifnecessary.Fuel Pump *1 ○ ○ ○ ○Check and clean or Replace ifnecessary.Check gaps.Spark plug ○ ○ ○ Remove carbon deposits orReplace if necessary.Ignition timimg *1 ○ ○ ○ Check timing.Starter rope *1 ○ ○ ○ ○ Check for wear or chafing.Entire cartridge0.8-0.9mm(0.031-0.035in)StartingSystemStarter motor *1 ○ ○Battery ○ ○ ○ ○Engine oilReplace○Replace○Replace○Check for salt deposits andthe battery cable condition.Check installation, fluid quantity,gravity.Replace if necessary.10EngineLowerUnitOil filter *1 Replace evry 200 hrs or 2 years Entire cartridgeValve Clearance *1 ○ ○ ○ Check & adjustTiming belt *1 ○ ○ Check and Replace if necessary.Thermostat *1 ○ ○ Check and Replace if necessary.Propeller ○ ○ ○ ○Check for bent blades, damage,wear.Gear oilReplace○Replace○Replace○Change or replenish-oil andcheck for water leaks.Water pump *1 ○ ○ ○ Check for wear or damage.Check & replenish oil, manuallyPower trim & tilt *1 ○ ○ ○operateWarning system *1 ○ ○ ○ Check function370mL(12.5 fl.oz.)Replace impellerevery 12 months.Bolts and Nuts ○ ○ ○ ○ RetightenSliding and Rotating Parts.Grease Nipples.○ ○ ○ ○ Apply and pump in grease.Outer Equipment ○ ○ ○ ○ Check for corrosion.Anode ○ ○ ○*1 Have this handled by your dealer.*2 In USA, you have to use EPA approved part (See P21 - P23 ).Check for corrosion anddeformation.Replace ifnecessary.
INSPECTION AND MAINTENANCE 57NotesDrain holeYour outboard motor should receivecareful, and complete inspection at300 hours. This is the best time formajor maintenance procedures to becarried out.Replacing engine oilEngine oil mixed with dust or waterwill dramatically shorten the life of theengine.To change engine oil:1 Stop the engine and set it in a tiltedposition.2 Remove the top cowl and oil fillercap. Allow it to cool.3 Turn the steering on the outboardmotor so that the drain hole isfacing downward.4 Put a oil drain pan under the oildrain screw.5 Remove the oil drain screw andcompletely drain oil from theengine.6 R e l e a s e t h e t i l t l o c k f r o mengagement and stand up theengine upright.7 Remove the oil drain plug againand drain out the oil.8 Replace the drain plug seal witha new one and apply oil onto thesealed part.9 Install the drain plug.10 Fill new engine oil through the oilfiller until the oil level reaches theupper limit.○11 Tighten the oil filler cap.Use only high quality 4-strokeengine oil to insure performance andprolonged engine life.Use oils that carry the API rating ofSF, SG, SH, SJ, SL, or SM. Selectthe appropriate viscosity, based onatmospheric temperature, from thechart below.ENGINEOIL-30-22-20-4-101420W−40, 20W−5015W−40, 15W−5010W−40, 10W−5010W−3003210502068Atmospheric temp.30864096˚C˚FYou can also use NMMA FC-Wcertified 4-stroke outboard oil below.10W-30: is recommended for use inall temperature.25W-40: may be used at temperaturesabove 4˚C (40˚F).! CAUTIONUse of engine oils that do not meetthese requirements will result in reducedengine life, and other engine problems.10
Page 1 and 2:
OWNER’SMANUALMFS15C20COB No.003-1
Page 6 and 7: 1011121314INSPECTION AND MAINTENANC
Page 9 and 10: GENERAL SAFETY INFORMATION 9SAFE OP
Page 11 and 12: SPECIFICATIONS 11EP , EPT1ItemMODEL
Page 13 and 14: NAMES OF PARTS 132Power Tilt TypeEP
Page 15 and 16: INSTALLATION1. Mounting the outboar
Page 17 and 18: INSTALLATION 172. Installing the re
Page 19 and 20: INSTALLATION 19NoteMinimum recommen
Page 21 and 22: PRE-OPERATING PREPARATIONS 21becaus
Page 23 and 24: PRE-OPERATING PREPARATIONS 23! CAUT
Page 25 and 26: PRE-OPERATING PREPARATIONS 257. Eng
Page 27 and 28: ENGINE OPERATION 27! WARNINGWhen op
Page 29 and 30: ENGINE OPERATION 29! CAUTIONWhen us
Page 31 and 32: ENGINE OPERATION 31SlowlyQuicklyNot
Page 33 and 34: ENGINE OPERATION 336
Page 35 and 36: ENGINE OPERATION 355. Forward and r
Page 37 and 38: ENGINE OPERATION 376. StoppingEP, E
Page 39 and 40: ENGINE OPERATION 39EFT, EPT type■
Page 41 and 42: ENGINE OPERATION 41■ Shallow wate
Page 43 and 44: ENGINE OPERATION 43EFT, EPT typeThe
Page 45 and 46: TRAILERING! WARNINGDo not go under
Page 47 and 48: ADJUSTMENT 474. Trim Tab Adjustment
Page 49 and 50: INSPECTION AND MAINTENANCE 491. Dai
Page 51 and 52: INSPECTION AND MAINTENANCE 51Washin
Page 53 and 54: INSPECTION AND MAINTENANCE 53Replac
Page 55: INSPECTION AND MAINTENANCE 55! CAUT
Page 59 and 60: INSPECTION AND MAINTENANCE 59Cleani
Page 61 and 62: INSPECTION AND MAINTENANCE 613. Off
Page 63 and 64: INSPECTION AND MAINTENANCE 636. Col
Page 65 and 66: TROUBLESHOOTING 65Engine falling to
Page 67 and 68: TOOL KIT AND SPARE PARTSTOOL KIT AN
Page 69 and 70: PROPELLER TABLEPROPELLER TABLE 69Us
Page 72: OWNER’S MANUALMFS15C20CTOHATSU CO
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15C 20C MFS - Tohatsu

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