Yamaha LZ250C Instrukcja Obsługi

Z300ALZ300ASUPPLEMENTARYSERVICE MANUAL2922116D0-28197-3F-1X

GEN INFOGeneral information36D03F1XIdentification1Applicable modelsThis manual covers the following models.Serial numberThe outboard motor serial numb

6D03F1X4Features and benefits1Crankcase and cylindersThe following modifications have been adopted to increase the output as compared to the Z250power

GEN INFOGeneral information56D03F1X• Newly-forged lightweight pistons with a hard anodic coating on the piston pin boss have beenadopted to increase d

6D03F1X6• The anti-corrosion anodes in the cooling water passages of the cylinder block are larger toincrease reliability and performance.1AnodesIntak

GEN INFOGeneral information76D03F1XAn oil groove has been added to each reed valve seat. Oil in the groove helps to reduce impactwhen the reed valve c

6D03F1X8Upper caseWater jackets have been incorporated to both sides of the lower part of the upper case. This struc-ture reduces the heat transfer to

GEN INFOGeneral information96D03F1XLower caseThe propeller shaft housing and the ring are newly designed to reduce the exhaust back-pressureand cool t

6D03F1X10ECM (Electronic Control Module)ECMs have been adopted that are specific to each model to control the ignition and injection timing.NOTE:The d

GEN INFOGeneral information116D03F1XPropeller selection1The performance of a boat and outboardmotor will be critically affected by the sizeand type of

6D03F1X12Predelivery checks1To make the delivery process smooth andefficient, the predelivery checks should becompleted as explained below.Checking th

NOTICEThis Supplementary Service Manual has been prepared to introduce new service and new datainformation for the Z300 and LZ300 which are based on t

GEN INFOGeneral information136D03F1XChecking the outboard motor mounting height1. Check that the anti-cavitation plate isaligned with the bottom of th

6D03F1X14Checking the steering system1. Check the steering friction for properadjustment.2. Check that the steering operatessmoothly.3. Check that the

GEN INFOGeneral information156D03F1XChecking the cooling water pilot hole1. Check that cooling water is dischargedfrom the cooling water pilot hole.Te

6D03F1X16General specifications2Item UnitModelZ300AETO LZ300AETODimensionOverall length mm (in) 868 (34.2)Overall width mm (in) 568 (22.4)Overall heig

SPECSpecifications176D03F1X(*1)RON: Research Octane NumberPON: Pump Octane Number = (RON + Motor Octane Number)/2(*2)If 2-stroke outboard motor oil is

6D03F1X18Maintenance specifications2Power unitItem UnitModelZ300AETO LZ300AETOPower unitMinimum compression pressure*kPa (kgf/cm2, psi)580 (5.8, 84)Cy

SPECSpecifications196D03F1XPiston ringsTop ringDimension B mm (in) 2.05 (0.0807)Dimension T mm (in) 3.00–3.20 (0.118–0.126)End gap mm (in) 0.30–0.50 (

6D03F1X20Lower unitElectricalItem UnitModelZ300AETO LZ300AETOGear backlashPinion-to-forward gear mm (in) 0.12–0.44 (0.0047–0.0173)0.30–0.62 (0.0118–0.

SPECSpecifications216D03F1XPulser coil resistance(*1) (W/R, W/B, W/Y, W/G, W/L, W/Br – B)Ω 294–398Throttle position sensorInput voltage (O – R) V 5Out

6D03F1X22Starter motorType Sliding gearOutput kW 1.4Cranking time limit Second 30BrushesStandard length mm (in) 15.5 (0.61)Wear limit mm (in) 9.5 (0.3

ContentsGeneral information1GEN INFOSpecifications2SPECPeriodic checks and adjustments3CHK ADJFuel system4FUELPower unit5POWRLower unit6LOWRBracket un

SPECSpecifications236D03F1XDimensionsExteriorS60V201030˚420 (16.5)284 (11.2)660 (26.0)X: 1,074 (42.3)U: 1,201 (47.3)X: 640 (25.2)U: 766 (30.2)907 (35.

6D03F1X24Clamp bracketS60V2020mm (in)79 (3.1)13 (0.5)180 (7.1)163.5 (6.4)254 (10.0)55.5 (2.2)411 (16.2)163.5 (6.4)125.4 (4.9)125.4 (4.9)180 (7.1)13 (0

SPECSpecifications256D03F1XTightening torques2Specified torquesPart to be tightened Thread sizeTightening torquesN·mkgf·mft·lbFuel systemFuel pump scr

6D03F1X26Shift cut switch mounting screw M4 3 0.3 2.2Spark plug M14 25 2.5 18.4Positive battery terminal nut (M8) 9 0.9 6.6Thermostat cover bolt M6 11

SPECSpecifications276D03F1XGeneral torquesThis chart specifies tightening torques forstandard fasteners with a standard ISOthread pitch. Tightening to

6D03F1X28Special service tools3Leakage tester90890-06840Flywheel holder90890-06522Pinion height gauge90890-06710Fixing plate90890-06711Digital caliper

CHK ADJPeriodic checks and adjustments296D03F1XMagnet base plate90890-07003Dial gauge set90890-01252Magnet base B90890-06844Needle bearing attachment9

6D03F1X30PTT oil pressure gauge assembly90890-06580PTT oil pressure gauge adapter90890-06581Diagnostic flash indicator B90890-06865Special service too

CHK ADJPeriodic checks and adjustments316D03F1XMaintenance interval chart3Use the following chart as a guideline for general maintenance.Adjust the ma

6D03F1X32Oil injection system3Adjusting the oil pump link rod1. Loosen the locknut 1 and then discon-nect the oil pump link rod 2.2. Fully close the t

6D03F1XGeneral informationHow to use this manual... 1Manual format...

CHK ADJPeriodic checks and adjustments336D03F1XGeneral3Lubricating the outboard motor1. Apply water resistant grease to the areasshown.S60V3430AA

6D03F1X34NOTE:Apply grease to the grease nipple until itflows from the bushings a.2. Apply low temperature resistant greaseto the areas shown.3. Apply

FUELFuel system356D03F1XFuel filter4No. Part name Q’ty Remarks1Bolt 1 M6 × 16 mm2 Washer 13 Holder 14Bolt 1 M6 × 14 mm5 Collar 26Grommet 27Bracket 18B

6D03F1X36Power unit5No. Part name Q’ty Remarks1 Apron 12Bolt 4 M6 × 16 mm3 Screw grommet 14Screw 1 ø4 × 16 mm5Hose 26Hose 27 Plastic tie 6Not reusable

POWRPower unit376D03F1XRemoving the power unitNOTE:It is recommended to loosen the flywheelmagnet nut before removing the power unit toimprove working

6D03F1X389. Remove the apron B and the hose jointassembly C.10. Remove the bolts D, then the powerunit.11. Remove the shift rod assembly E andgasket F

POWRPower unit396D03F1XCrankcase5No. Part name Q’ty Remarks1Bolt 36 M6 × 25 mm2 Crankcase cover 13Gasket 1Not reusable4Hose 25 Crankcase cover 16Gaske

6D03F1X40Removing the crankcase covers1. Disconnect the hoses from the crank-case covers.2. Remove the crankcase cover bolts in thesequences shown.Ins

POWRPower unit416D03F1X3. Install the hose joint assembly 6 and theapron 7.4. Connect the PTT switch coupler and theshift lever 8.5. Connect the cooli

6D03F1X4211. Connect the shift cable F and throttlecable G, and then adjust their lengths.12. Install the Woodruff key and flywheelmagnet.13. Tighten

6D03F1XSpecificationsGeneral specifications... 16Maintenance specific

LOWRLower unit436D03F1XPropeller shaft housing (regular rotation model)6No. Part name Q’ty Remarks1 Water pipe 12 Rubber seal 13 Rubber seal 14 Shift

6D03F1X446No. Part name Q’ty Remarks18 Dowel 119 Grease nipple 120 Rubber seal 121 O-ring 1Not reusable22 Needle bearing 123 Oil seal 2Not reusable24

LOWRLower unit456D03F1XShimming (regular rotation model)6ABFRPS6D06020B4T3B365.0T1B139.441.0T2B2B5A1 A2A3

6D03F1X46Selecting the pinion shims1. Install the special service tools onto thedrive shaft 1.NOTE:• Select the shim thickness (T3) by using thespecif

LOWRLower unit476D03F1X5. Calculate the pinion shim thickness (T3)as shown in the examples below.NOTE:“P” is the deviation of the lower case dimen-sio

6D03F1X484. Install the backlash indicator onto thedrive shaft (22.4 mm [0.88 in] in diame-ter), then the dial gauge onto the lowerunit.5. Set the low

LOWRLower unit496D03F1X10. Slowly turn the drive shaft clockwise andcounterclockwise and measure the back-lash when the drive shaft stops in eachdirec

6D03F1X50Propeller shaft housing (counter rotation model)6No. Part name Q’ty Remarks1 Water pipe 12 Rubber seal 13 Rubber seal 14 Shift rod joint 15Ba

LOWRLower unit516D03F1X6No. Part name Q’ty Remarks18 Propeller shaft shim —19 O-ring 1Not reusable20 Propeller shaft housing 121 Dowel 122 Grease nipp

6D03F1X52Drive shaft and lower case (counter rotation model)6No. Part name Q’ty Remarks1 Drive shaft 12 Cover 13 Oil seal 2Not reusable4Bolt 4 M8 × 25

6D03F1XPower unitPower unit... 36Removing the pow

LOWRLower unit536D03F1X6No. Part name Q’ty Remarks18 Thrust bearing 119 Needle bearing 1Not reusable20 Reverse gear 1

6D03F1X54Disassembling the reverse gear1. Remove the needle bearing from thereverse gear using a chisel.Assembling the lower case1. Install the needle

LOWRLower unit556D03F1X5. Install the new needle bearing into thereverse gear to the specified depth.6. Install the thrust bearing and reversegear int

6D03F1X56Shimming (counter rotation model)6ABFRPS6D06150B4T3B365.0A3T1B138.4A1T2B8B5A5A4A2T´4B7B647.5Drive shaft and lower case (counter rotation mode

LOWRLower unit576D03F1XSelecting the pinion shims1. Install the special service tools onto thedrive shaft 1.NOTE:• Select the shim thickness (T3) by u

6D03F1X58NOTE:“P” is the deviation of the lower case dimen-sion from standard. The “P” mark a isstamped on the trim tab mounting surface ofthe lower c

LOWRLower unit596D03F1X5. Set the lower unit upside down.NOTE:Install the dial gauge so that the plunger acontacts the mark b on the backlash indica-t

6D03F1X6013. Turn the shift rod to the reverse positionc with the shift rod push arm.14. Slowly turn the drive shaft clockwise andcounterclockwise and

BRKTBracket unit616D03F1XBottom cowling7No. Part name Q’ty Remarks1 Bottom cowling 12 Rubber seal 13Grommet 24Bolt 4 M6 × 16 mm5Bracket 46 Cowling loc

6D03F1X627No. Part name Q’ty Remarks18 Holder 119 Grommet 120 Holder 121 Bolt 1 M6 × 25 mm22 Retaining plate 123 Bolt 2 M6 × 25 mm24 Bolt 1 M6 × 16 mm

6D03F1XElectrical systemsElectrical components... 72Port view...

BRKTBracket unit636D03F1X7No. Part name Q’ty Remarks35 Gasket 1Not reusable36 Cover 137 Bolt 13 M6 × 20 mm38 Cover 139 Ground lead 140 Rubber trim 1S6

6D03F1X64Upper case, steering arm, swivel bracket, and clamp brackets7No. Part name Q’ty Remarks1 Upper case assembly 12 Cover 23 Ground lead 14Bolt 1

BRKTBracket unit656D03F1X7No. Part name Q’ty Remarks18 Bushing 219 Steering arm 120 Washer 221 Washer 222 Grommet 4

6D03F1X667No. Part name Q’ty Remarks1 Upper case 12 Dowel 23 Upper mount 24 Washer 25 Washer 26 Washer 27 Bolt 2 M14 × 190 mm8Bracket 19 Muffler assem

BRKTBracket unit676D03F1X7No. Part name Q’ty Remarks18 Bolt 2 M8 × 30 mm19 Gasket 1 U-transom modelNot reusable20 Muffler 1 U-transom model21 Bolt 2 M

6D03F1X687No. Part name Q’ty Remarks1 Muffler 12 Exhaust manifold 13Gasket 1Not reusable4 Lower exhaust guide 15Gasket 1Not reusable6 Upper exhaust gu

BRKTBracket unit696D03F1XPower trim and tilt unit7Checking the hydraulic pressure1. Check the hydraulic pressure. Check theinternal parts if out of sp

6D03F1X70NOTE:Wrap the removed pipe joint b in a rag.12. Connect the PTT motor leads to the bat-tery terminals to extend the trim ram, andthen measure

BRKTBracket unit716D03F1X18. If necessary, add fluid of the recom-mended type to the correct level.NOTE:If the fluid is at the correct level, the flui

6D03F1X72Electrical components8Port view1Throttle position sensor2Emergency switch3Pulser coil4Oil level sensor5Stator coil6Water detection switch7Atm

GEN INFOGeneral information16D03F1XHow to use this manual1Only chapters containing revisions or additional items in the base manual have been included

ELECElectrical systems– +736D03F1XTop view1Ignition coil2Fuel injector3Spark plug4Oil level sensor5Emergency switch6Throttle position sensor7Power tri

6D03F1X74Self-diagnosis9Diagnosing the electronic control system1. Connect the special service tool to theoutboard motor as shown.NOTE:When performing

TRBLSHTGTroubleshooting756D03F1X4. If a flash pattern listed in the diagnosticcode chart is displayed, check the mal-functioning part according to the

6D03F1X76IndexA.Adjusting the oil pump link rod ... 32After test run ... 15Applicable m

Index776D03F1XS.Selecting the pinion shims ...46, 57Selection ... 11Self-diagnosi

6D03F1X78Index— MEMO —

Wiring diagramZ300AETO, LZ300AETO1 Electric fuel pump2 Electric oil pump3 Oil level sensor4 Water detection switch5 Throttle position sensor6 Emergenc

YAMAHA MOTOR CO., LTD.Printed in the NetherlandsJul. 2003 – 0.5 × 1 CR(E)

(*1) (*2)462351135246B#2#4#6#1#3#5B/WR/WR/WR B/WR B/WR RBBBBBBBrBrB/RB L L OPBOBPL R/YL/WL/WL/GBL/RRLR/YLL/GY/RBL/RL/RRBRB/YB/YGLgRYSbPBBrWB/RG/RW/RL

6D03F1X2SymbolsThe symbols below are designed to indicate the content of a chapter.General informationSpecificationsPeriodic checks and adjustmentsFue

B/R1234567891011121314151617181920::::::::::::::::::::L/WP—L/RL/RL/GG/RPBOPB/YB/YPPL/YL/WL/GY/RLB/RGWYBr—R/LW/YGGPu/LPu/RB/OB/WB/YR/LW/GL/YPu/WPu/B212