Daelim S4 50cc Service Manual - Mojo

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CYLINDER HEAD / VALVESVALVE GUIDE REAMER● Insert the valve guide at upside of cylinder head.TOOL: VALVE GUIDE DRIVE● Insert the valve guide at upside of cylinderhead.Insert the valve guide at upside of cylinderhead.NOTE•Take care not to tilt or lean the reamer in the guidewhile reaming.•Otherwise the valve is installed slanted that causeoil leaks from the stem seal and improper valveseat contact and results in the valve seat refacingnot able to be performed.•Use cutting oil on the reamer during this operation.•Use cutting oil on the reamer during this operation.TOOL: VALVE GUIDE DRIVER● Reface the valve seats and clean the cylinder headthoroughly to remove any metal particles.EX VALVEVALVE SEATINSPECTION● Clean all the intake and exhaust valves thoroughlyto remove carbon deposits.● Apply a light coating of Prussian Blue to each valveface.● Tap the valve against the valve seat several timeswith the valve reamer, without rotating the valve tocheck for proper valve seat contact.● Remove the valve and inspect the valve seat face.● The valve seat contact should be within thespecified width and evenly all around thecircumstance.● If the valve leans, check the gap between valveguide and stem replace the valve guide if it doesn’twork well.IN VALVENOTE•Valve faces and stem tips cannot be ground. If avalve face or stem tip is rough, worn unevenly orcontacts the seat improperly, the valve must bereplaced.IN/ EX.VALVE ASSEMBLY● Install new stem seals and valve spring seat.● Lubricate each valve stem with molybdenumdisulfide grease and insert the valve into the valveguide.● Turning a valve too fast can damage the stem seals.● Check the valve for working properly with up anddown.
CYLINDER HEAD / VALVES● For valve spring with varying pitch, install the valvesprings with the narrow pitch end facing down.● Install the spring retainer.● Compress the valve springs and install the valvecotter.NOTE•Compressing the valve spring more than necessarywhen installing the valve cotters may cause loossof valve spring tension.TOOL: VALVE SPRING COMPRESSORVALVE STEM● Tap the valve stems gently with a soft hammer tofirmly seat the cotters.NOTE•Take necessary precaution not to damage the valve.SPARK PLUG● Take necessary precaution not to damage the valve.TORQUE:1.2 kgf·m
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CONTENTS Contents of this manual an
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SERVICE INFORMATIONSPECIFICATIONDIM
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SERVICE INFORMATIONTORQUE VALUESENG
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SERVICE INFORMATIONLUBRICATION OILE
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SERVICE INFORMATIONWINKER RELAYHORN
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SERVICE INFORMATIONBATTERY CABLESAI
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SERVICE INFORMATION3. Store the par
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SERVICE INFORMATION19. Install the
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SERVICE INFORMATION•Turn off the
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SERVICE INFORMATION•In case that
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INSPECTIONS / ADJUSTMENTSTORQUESPAR
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INSPECTIONS / ADJUSTMENTSFUEL STRAI
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INSPECTIONS / ADJUSTMENTSTURNCAUTIO
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INSPECTIONS / ADJUSTMENTSBRAKE FLUI
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INSPECTIONS / ADJUSTMENTSWHEELS / T
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MEMO
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EXTERNAL PARTSMAINTENANCE PROCEDURE
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EXTERNAL PARTSTAPPING SCREWS● Loo
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EXTERNAL PARTSFLOOR PANEL● Untie
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EXTERNAL PARTSWASHER BOLTFRONT UNDE
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MEMO
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LUBRICATION SYSTEMTROUBLE SHOOTINGO
Page 48 and 49: LUBRICATION SYSTEMOIL PUMPINSPECTIO
Page 50 and 51: LUBRICATION SYSTEMASSEMBLY● Clean
Page 52 and 53: MEMO
Page 54 and 55: FUEL SYSTEMTROUBLESHOOTINGThe vehic
Page 56 and 57: FUEL SYSTEM● Untie screws install
Page 58 and 59: FUEL SYSTEMSLOW JET● Remove the m
Page 60 and 61: FUEL SYSTEM● Assemble acceleratin
Page 62 and 63: FUEL SYSTEMTHROTTLE STOP SCREW Exte
Page 64 and 65: MEMO
Page 66 and 67: ENGINE REMOVAL/INSPECTIONCARBURETOR
Page 68 and 69: BELT TYPE CONTINUOUSLY VARIABLE TRA
Page 84 and 85: A.C. GENERATOR /RH. CRANK CASE COVE
Page 90 and 91: CYLINDER HEAD / VALVES
Page 92 and 93: CYLINDER HEAD / VALVESTOOL-VALVE GU
Page 94 and 95: CYLINDER HEAD / VALVESCAM SHAFTCAM
Page 96 and 97: CYLINDER HEAD / VALVES● Remove th
Page 100 and 101: CYLINDER HEAD / VALVESCYLINDER HEAD
Page 102 and 103: CYLINDER HEAD / VALVES● Install f
Page 104 and 105: CYLINDER / PISTON
Page 106 and 107: CYLINDER / PISTONCYLINDERCYLINDERRE
Page 108 and 109: CYLINDER / PISTONPISTON RINGFEELER
Page 110 and 111: CYLINDER / PISTON● Install the ne
Page 112 and 113: TRANSMISSION/CRANKSHAFT/CRANKCASE
Page 114 and 115: TRANSMISSION/CRANKSHAFT/CRANKCASETO
Page 116 and 117: TRANSMISSION/CRANKSHAFT/CRANKCASEIN
Page 122 and 123: TRANSMISSION/CRANKSHAFT/CRANKCASECR
Page 124 and 125: FRONT WHEEL / FRONT BRAKE / FRONT F
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REAR WHEEL / REAR BRAKE / REAR CUSH
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CHARGING SYSTEMWINKER RELAYMAGNETIC
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CHARGING SYSTEMTROUBLE SHOOTINGNo p
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CHARGING SYSTEMBATTERY TERMINALCAUT
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IGNITION SYSTEMWINKER RELAYFUEL TAN
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IGNITION SYSTEMTROUBLE SHOOTINGSpar
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IGNITION SYSTEMIGNITION COIL INSPEC
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STARTING SYSTEMWINKER RELAYMAGNETIC
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STARTING SYSTEMTROUBLE SHOOTINGStar
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STARTING SYSTEMBRUSH● the brush s
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STARTING SYSTEMSTARTER MAGNETIC SWI
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LIGHTS// SWITCHES / HORNHEADLIGHT B
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LIGHTS// SWITCHES / HORNSPEEDOMETER
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LIGHTS// SWITCHES / HORNRELEASE THE
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ENGINE STALLS, HARD TO START, ROUGH
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POOR OPERATIONCLUTCH DRIVE / DRIVEN
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MEMO
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SM62-1003-01E
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Daelim S4 50cc Service Manual - Mojo

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