SAIL-DRIVESail-DriveOPERATION MANUALSD20SD50SD50-4TP/N: 0ASDM-G00101

WARNINGExposure HazardALWAYS wear personalprotective equipmentincluding appropriateclothing, gloves, workshoes, eye and hearingprotection as required

NOTICEThese notices describe a situationwhich, if not avoided, can cause damageto the Sail-Drive, personal property and /or the environment or cause e

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PRODUCT OVERVIEWOVERVIEWOwner / OperatorResponsibilitiesThe operator must, and assumes allresponsibility to:• Read and understand the operationmanual

COMPONENT IDENTIFICATION(1)(2)(3)(4)0006440(5)(6)(7)Figure 11 – Dipstick2 – Upper Gear Case3 – Lower Gear Case4 – Lubricating Oil Drain Plug5 – Propel

GALVANIC CORROSIONGalvanic corrosion results whenever two ormore dissimilar metals (like those found onthe sail-drive) are submerged in aconductive so

NOTICE: Failure to use the correct anodematerial may result in inadequate protectionand excessive corrosion of underwater drivesystem components. Use

UNDERWATER DRIVECOATINGThe lower gear case coating may bedamaged when hit by objects in the water,or when having deposits removed from it.The underwat

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BEFORE YOU OPERATEThis section of the Operation Manualdescribes propeller selection, propellerfitting, lubricating oil specifications and howto replen

Disclaimers:All information, illustrations and specifications in this manual are based on the latestinformation available at the time of publishing. T

PROPELLER SELECTIONRecommended Propeller Size (Maximum)Engine Model Sail-Drive Model Folding TypeDiameter2-Blade Fixed TypeDiameter1GM10CSD2014 in. 14

Fitting a Fixed Propeller (2-Blade)(1)(2)(3)(4)(5)(6)0005446Figure 11 – Spacer2 – Grease3 – Propeller4 – Washer5 – Nut *6 – Bolt ** Size Tightening T

LUBRICATING OILThe choice of lubricating oil is very important. If an unsuitable oil is used, or an oil change isneglected, it may result in damage an

FILLING WITHLUBRICATING OIL - SD20,SD50 AND SD50-4TSail-DrivemodelSD20 SD50, SD50-4TStandardunit2.2 L(2.3 qt)2.2 L (2.3 qt)Long-reachunit2.5 L(2.6 qt)

CHECKING THE INSTRUMENT PANEL ALARM SYSTEMNew B-Type0000472SD(1)(2)(3)(4)(5)(6)(7)(8)Figure 51 – Battery Low Charge Alarm2 – Sail-Drive Seal Warning L

New C-Type0000473SD(1)(2)(3)(4)(5)(11)(6)(12)(7) (8)(9)(10)Figure 71 – Battery Low Charge Alarm2 – Sail-Drive Seal Warning Lamp3 – Fuel Filter Warning

Turn the battery switch on. Turn the key tothe ON position and check the lamps on thepanel (Figure 5, Figure 7) with the engineoff:1. The lubricating

DAILY CHECKSBefore starting the Sail-Drive, make sure itis in good operating condition. Make sureyou check the following items:Visual Checks1. Check f

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SAIL-DRIVE OPERATIONBefore you operate the Sail-Drive, read thefollowing safety information and review theSafety section on page 3. WARNINGThe safety

TABLE OFCONTENTSPageIntroduction...1Safety...

REMOTE CONTROL DEVICECHECKSD20NOTICE: Before operating the engine,check Sail-Drive oil level. While cranking theengine slowly, shift the control handl

(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)019719-00XFigure 21 – Astern2 – Neutral3 – Ahead4 – Operation Handle5 – Cable Clamp6 – Remote Control Cable7 – Ahead St

SD50 / SD50-4TAfter starting the engine, check the shiftaction by using the control head to shift theAHEAD and ASTERN positions. TheAHEAD / ASTERN clu

ENGINE COOLING WATEROpening or closing the cooling water systemof the engine driving the Sail-Drive is doneby the cooling water cock fixed on the uppe

SD50 / SD50-4T0005448(1)(2)(3)Figure 61 – To Cooling Water Pump2 – Cooling Water Cock3 – OpenSAIL-DRIVE OPERATION30 SD Operation Manual© 2009 Yanmar M

PERIODIC MAINTENANCEBefore you perform maintenance on theSail-Drive, read the following safetyinformation and review the Safety section onpage 3.This

WARNINGElectrical Shock HazardALWAYS turn off the batteryswitch (if equipped) ordisconnect the negativebattery cable before servicingthe Sail-Drive.A

NOTICEThese notices describe a situation which, ifnot avoided, can cause damage to the Sail-Drive, personal property and / or theenvironment, or cause

TORQUE CHARTSStandard Torque Values M6 x 1.0 M8 x 1.25 M10 x 1.25or 1.5M12 x 1.25or 1.5M14 x 1.5 M16 x 1.5Cast Ironor Steel10.8 ± 1.0N·m8.0 ± 0.8lb-f

Periodic MaintenanceCAUTION! Establish a periodic maintenance plan according to the Sail-Driveapplication and make sure you perform the required perio

SD50 / SD50-4T... 30Periodic Maintenance...31Tigh

PERIODIC MAINTENANCE TABLE◯: Check or Clean ◊: Replace ●: Contact your authorized Yanmar Marine dealer or distributor Daily(See Daily Checks on page

◯: Check or Clean ◊: Replace ●: Contact your authorized Yanmar Marine dealer or distributor Daily(See Daily Checks on page 23.)50HoursOrAfter 1MonthE

WHEN THE VESSEL IS OUTOF THE WATER, PERFORMTHE FOLLOWING:Removing Deposits From TheLower Gear CaseRemove seaweed, seashells and othermarine growth fro

PERIODIC MAINTENANCEPROCEDURESAfter Initial 50 Hours ofOperationPerform the following procedures after thefirst 50 hours of operation.• Draining and R

Draining and Replacing LubricatingOil - SD50 / SD50-4TLubricating oil should be changed while theengine is still warm. CAUTION! Let thedrive unit cool

Equipment UsedDescription Part Code Quantity RemarksBottle of Quicksilver®High Performance GearLube from MerCruiser®MerCruiser® Part code92-850743A12

When Vessel Is In The WaterPreparing the Sail-Drive(1)(2)(3)(4)0005452Figure 41 – O-Ring2 – Adapter Joint3 – Oil Changing Plug4 – Thread M10x1.51. Rem

Option 1: Using Compressed air frommain system or 12 V portablecompressor.1. Connect a hose to the top adapter jointand to a compressed air source(Fig

Replacing OilRefer to Filling With Lubricating Oil - SD20, SD50 and SD50-4T on page 19.Fastest way: By using MerCruiser pumpor simple market pumpRefer

1. Connect the hoses as shown above(Figure 9).2. Remove the plug from the upper casecover (Figure 9, (1)).3. Operate the pump to fill the Sail-Drivewi

INTRODUCTIONThis Operation Manual describes Sail-Drive Models SD20, SD50, SD50-4T. For enginehandling and operation, refer to the respective operation

Removing Oil By DrainingRefer to Preparing The Sail-Drive on page 45.Oil draining is possible when the vessel isout of the water but will take a great

6. Pump the oil into the drive. After the firstbottle is empty, screw in the oil changingplug.7. Change the bottle while the pump andhose remain conne

Every 100 Hours of OperationPerform the following maintenance every100 hours of operation.• Changing the Lubricating Oil (SD20)• Inspecting and Replac

Every 250 Hours of OperationPerform the following maintenance every250 hours of operation.• Changing the Lubricating Oil (SD50,SD50-4T)• Inspecting an

Every YearPerform the following maintenance everyyear of operation.• Cleaning Cooling Water Suction Hole• Inspecting Remote Control Device• Repairing

Every 2000 Hours of Operation• Replacing the Flexible Mount• Replacing the Cone-ClutchReplacing the Flexible MountSee your authorized Yanmar dealer or

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SPECIFICATIONSModelSD20 SD50 SD50-4TReduction Gear System Constant meshgear with dogclutchCone clutchDirection Of Rotation Input Shaft Counterclockwis

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SYSTEM DIAGRAMSColor coding for wiring diagramsR RedB BlackW WhiteY YellowL BlueO OrangeL/B Blue/BlackW/L White/BlueY/W Yellow/WhiteW/R White/RedL/R B

This Page Intentionally Left BlankINTRODUCTION2 SD Operation Manual© 2009 Yanmar Marine International

A-Type Instrument PanelBBEL/BW/LY/WW/RBW/RBOL/RRR/BLBLRBSRWWL/BW/LY/WW/RBOL/RW/BRWL/BW/LY/WR/BBOL/RLW/RRWL/BW/LY/WR/BW/RR/BWR/BR/BR/BR/BR30 AC(22)(21)

A-Type Instrument PanelApplicable Engine Model:1GM10C1 Cable, battery to switch2 Cable, switch to starter3 Cable, battery to starter4 Battery Recommen

B-Type Instrument Panel003877-00E38101191BBEL/BW/LY/WW/RBW/RBOPPL/RRR/BLBLRBSRWWL/BW/LY/WW/RBOL/RW/BRBY/WW/RR/BW/LL/BWRBL/BOBR/BW/RY/WW/LR/BRWL/BW/LY/

B-Type Instrument PanelApplicable Engine Model:1GM10C1 Cable, battery to switch2 Cable, switch to starter3 Cable, battery to starter4 Battery Recommen

4JH4-TE with B x B Type Panel-+SBLELBRBYWWLOYGR3L12V132L=1+2+3(m)Allowable length bycross sectional areaof battery cable10R10BB2RWBr2B5RBLELBRBRLBRB5R

4JH4-TE with B x B Type PanelColor Coding Engine HarnessR Red +B Black -W White IgnitionL Blue Air heater / glow (op-tion)RB Red / Black Alternator ex

4JH4-TE with C x B Type Panel-+SBLELBRBYWWLOYGR3L12V132L=1+2+3(m)Allowable length bycross sectional areaof battery cable10R10BB2RWBr2B5RBLELBRBRLBRB5R

4JH4-TE with C x B Type PanelColor Coding Engine HarnessR Red +B Black -W White IgnitionL Blue Air heater / glow (op-tion)RB Red / Black Alternator ex

B-Type Instrument Panel for 3YM30, 3YM20 and 2YM15-+SBLE3R0.85LB0.85RB0.85YW0.85WL0.85 O0.85YGR2L12V132L=1+2+3(m)10R10B0.85B2B2RWBr2B5R+-W/YB3BRBY+-BL

B-Type Instrument Panel for 3YM30,3YM30, 3YM20 and 2YM15Color CodingR RedB BlackW WhiteL BlueRB Red / BlackLB Blue / BlackYW Yellow / WhiteYG Yellow /

SAFETYYanmar considers safety of greatimportance and recommends that anyonethat comes into close contact with itsproducts, such as those who install,o

B-Type Instrument Panel for 3JH4EYW45 6 7 810213WL YGWBr93RRWRLLBOP17 AC30G1G2LB123123YW1415 16 17 18121113WL YGWBrRWRL3R 3WYW WL WG BRB LB O YGWB YR

B-Type Instrument Panel for 3JH4EColor CodingR RedB BlackW WhiteL BlueRB Red / BlackLB Blue / BlackYW Yellow / WhiteYB Yellow / BlackYG Yellow / Green

C-Type Instrument Panel for 3JH4EYW45 6 7 8102133736383941434445 46474240WL YGWBr93RRWRLLBOP17 AC30G1G2LB123123YG1415 16 17 18121113G YGWBrRWRL3R 3WYW

C-Type Instrument Panel for 3JH4EColor CodingR RedB BlackW WhiteL BlueRB Red / BlackLB Blue / BlackYW Yellow / WhiteYB Yellow / BlackYG Yellow / Green

B-Type Instrument Panel for 4JH4AE3W3L3RYWRBWLLB OWGBYGWBYBGBGYRGRWRYG217GLOWOFFONSTART30ACG1 -+SBLE3RLBRBYWWLOYGEarth boltWireharnessRWire harness fo

B-Type Instrument Panel for 4JH4AEColor cod-ingDescriptionR RedB BlackW WhiteL BlueRB Red / BlackLB Blue / BlackYW Yellow / WhiteYB Yellow / BlackYG Y

C-Type Instrument Panel for 4JH4AE-+SBLE3RLBRBYWWLWBOYGEarth boltWireharnessRYBWire harnessfor sub panelOption3L12V132Battery switchProcured by custom

C-Type Instrument Panel for 4JH4AEColorcodingDescriptionR RedB BlackW WhiteL BlueRB Red / BlackLB Blue / BlackYW Yellow / WhiteYB Yellow / BlackYG Yel

2YM15, 3YM20, 3YM30 - B (Keyless) - Type Instrument Panel (optional)026375-00X(18)(19)(25)(26)(30)(29)(31)(32)(20)(28)(27)(24)(17)(13)(14)(15) (16)(7)

2YM15, 3YM20, 3YM30 - B (Keyless) -Type Instrument Panel (optional)1 Optional2 Diodes3 Buzzer4 Engine Oil Low Pressure Alarm5 Coolant High Temperature

General InformationThere is no substitute for common senseand careful practices. Improper practices orcarelessness can cause burns, cuts,mutilation, a

3JH5E / 4JH5E with Keyless B and B x B Type Instrument Panel (optional)026112-00X-+SBLE3RLBRBYWWLOYGR2L12V13210R10BB2B2RWBr0.85B5R+-BLELBRBRLBRBW/YB5R

3JH5E / 4JH5E with Keyless B and B x BType Instrument Panel (optional)ColorcodingDescriptionEngine Har-nessR Red +B Black -W White IgnitionL BlueAir H

3JH5E / 4JH5E with Keyless C x B Type Instrument Panel (optional)026113-00X-+SBLE3RLBRBYWWLOYGR2L12V13210R10BB2B2RWBr0.85B5R+-BLELBRBRLBRBW/YB5RBY-+12

3JH5E / 4JH5E with Keyless C x B TypeInstrument Panel (optional)ColorcodingDescriptionEngine Har-nessR Red +B Black -W White IgnitionL BlueAir Heater

MAINTENANCE LOGDate OperatingHoursMaintenance Performed Dealer Name Stamp or Signa-ture

Date OperatingHoursMaintenance Performed Dealer Name Stamp or Signa-ture

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During Operation andMaintenance DANGERThe safety messages that follow haveDANGER level hazards.Explosion HazardWhile the engine is running orthe batte