GENERAL INFORMATION - Sell Files and Downloads ... INFORMATION 2-8 ZX / SCOUT 50 TORQUE VALUES...
Transcript of GENERAL INFORMATION - Sell Files and Downloads ... INFORMATION 2-8 ZX / SCOUT 50 TORQUE VALUES...
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2. GENERAL INFORMATION
2-0
ZX / SCOUT 50
1 __________________________________________________________________________________
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GENERAL INFORMATION__________________________________________________________________________________
ENGINE SERIAL NUMBER/IDENTIFICATION ........................ 2- 1
SERVICE PRECAUTIONS ........................................................ 2- 2
SERVICE INFORMATION........................................................ 2- 6
TORQUE VALUES................................................................... 2- 8
SPECIAL TOOLS ..................................................................... 2- 9
LUBRICATION POINTS........................................................... 2-11
WIRING DIAGRAM.................................................................. 2-12
CABLE & HARNESS ROUTING ............................................... 2-13
TROUBLESHOOTING.............................................................. 2-17
2
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2. GENERAL INFORMATION
2-1
ZX / SCOUT 50
ENGINE SERIAL NUMBER/IDENTIFICATION
Location of Engine Serial Number
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2. GENERAL INFORMATION
2-2
ZX / SCOUT 50
SERVICE PRECAUTIONS
nMake sure to install new gaskets, O-rings,circlips, cotter pins, etc. when reassembling.
nWhen tightening bolts or nuts, begin withlarger-diameter to smaller ones at severaltimes, and tighten to the specified torquediagonally.
n Use genuine parts and lubricants.
nWhen servicing the motorcycle, be sure touse special tools for removal andinstallation.
n After disassembly, clean removed parts.Lubricate sliding surfaces with engine oilbefore reassembly.
n Apply or add designated greases andlubricants to the specified lubricationpoints.
n After reassembly, check all parts forproper tightening and operation.
nWhen two persons work together, payattention to the mutual working safety.
n Disconnect the battery negative (-) terminalbefore operation.nWhen using a spanner or other tools, make
sure not to damage the motorcycle surface.
n After operation, check all connectingpoints, fasteners, and lines for properconnection and installation.nWhen connecting the battery, the positive
(+) terminal must be connected first.n After connection, apply grease to the
battery terminals.n Terminal caps shall be installed securely.
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2. GENERAL INFORMATION
2-3
ZX / SCOUT 50
n If the fuse is burned out, find the cause andrepair it. Replace it with a new oneaccording to the specified capacity.
n After operation, terminal caps shall beinstalled securely.
nWhen taking out the connector, the lock onthe connector shall be released beforeoperation.
n Hold the connector body when connectingor disconnecting it.n Do not pull the connector wire.
n Check if any connector terminal is bending,protruding or loose.
n The connector shall be insertedcompletely.n If the double connector has a lock, lock
it at the correct position.n Check if there is any loose wire.
n Before connecting a terminal, check fordamaged terminal cover or loose negativeterminal.
n Check the double connector cover forproper coverage and installation.
n Insert the terminal completely.n Check the terminal cover for proper
coverage.n Do not make the terminal cover opening
face up.
n Secure wire harnesses to the frame withtheir respective wire bands at thedesignated locations.Tighten the bands so that only theinsulated surfaces contact the wireharnesses.
Easy confirm
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2. GENERAL INFORMATION
2-4
ZX / SCOUT 50
n After clamping, check each wire to makesure it is secure.
n Do not squeeze wires against the weld orits clamp.
n After clamping, check each harness to makesure that it is not interfering with anymoving or sliding parts.
nWhen fixing the wire harnesses, do notmake it contact the parts which willgenerate high heat.
n Route wire harnesses to avoid sharp edgesor corners. Avoid the projected ends ofbolts and screws.n Route wire harnesses passing through the
side of bolts and screws. Avoid theprojected ends of bolts and screws.
n Route harnesses so they are neitherpulled tight nor have excessive slack.
n Protect wires and harnesses with electricaltape or tube if they contact a sharp edge orcorner.
nWhen rubber protecting cover is used toprotect the wire harnesses, it shall beinstalled securely.
n Do not break the sheath of wire.n If a wire or harness is with a broken sheath,
repair by wrapping it with protective tapeor replace it.
nWhen installing other parts, do not press orsqueeze the wires.
Don’t touch
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2. GENERAL INFORMATION
2-5
ZX / SCOUT 50
n After routing, check that the wire harnessesare not twisted or kinked.
nWire harnesses routed along with handlebarshould not be pulled tight, have excessiveslack or interfere with adjacent orsurrounding parts in all steering positions.
nWhen a testing device is used, make sure tounderstand the operating methodsthoroughly and operate according to theoperating instructions.
n Be careful not to drop any parts.
nWhen rust is found on a terminal, removethe rust with sand paper or equivalentbefore connecting.
n Symbols:The following symbols represent theservicing methods and cautions included inthis service manual.
: Apply engine oil to thespecified points. (Usedesignated engine oil forlubrication.)
: Apply grease for lubrication.
: Use special tool.
: Caution
: Warning
(!12-3) : Refer to page 12-3.
Engine Oil
Grease
Special
*
Remove the rest
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2. GENERAL INFORMATION
2-6
ZX / SCOUT 50
SERVICE INFORMATION
ENGINE Standard (mm) Service Limit (mm)
Item SC10AS SC10AS
Cylinder head warpage æ 0.10
Piston O.D.(5mm from bottom of pistonskirt)
38.955_ 38.970 38.90
Cylinder-to- piston clearance 0.10
Piston pin hole I.D. 12.002_ 12.008 12.03
Piston pin O.D. 11.994_ 12.0 11.98
Piston-to-piston pin clearance ¨ ¨
Piston ring end gap (top/second) 0.10_ 0.25 0.40
Connecting rod small end I.D. 17.005_ 17.017 17.03
Cylinder bore 39.0_ 39.025 39.05
Drive belt width 18 17
Drive pulley collar O.D. 20.01_ 20.025 ¨
Movable drive face ID. 20.035_ 20.085 19.97
Weight roller O.D. 13.0 12.4
Clutch outer I.D. 107_ 107.2 107.5
Driven face spring free length 87.9 82.6
Driven face O.D. ¨ ¨
Movable driven face I.D. ¨ ¨
Connecting rod big end side clearance ¨ ¨
Connecting rod big end radial clearance ¨ ¨
Crankshaft runout A/B æ ¨
CARBURETOR SC10AS
Venturi dia. 14mm
Identification number 014A
Float level 5.0mm
Main jet #80
Slow jet #35
Air screw opening 1 ±_
Idle speed 2100±100rpm
Throttle grip free play 2_ 6mm
Jet needle clip notch 1st notch
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2. GENERAL INFORMATION
2-7
ZX / SCOUT 50
FRAME Standard (mm) Service Limit (mm)
Item SC10AS SC10AS
Axle shaft runout æ 0.2
RadialFront wheel rim runout
Axial
Front shock absorber spring free length 200.0 182.8
Rear wheel rim runout 2.0
Brake drum I.D. Front/rear 110 111
Brake lining thickness Front/rear 4.0/4.0 2.0/2.0
Brake disk runout Front/rear æ 0.30
Rear shock absorber spring free length 235.7 218.7
ELECTRICAL EQUIPMENT SC10AS
Capacity 12V3AH
Voltage 13.0_ 13.2V
Charging Standard 0.4A/5HBattery
current Quick 4A/0.5H
Spark plug (NGK) BR8HSA
Spark plug gap 0.6_ 0.7mm
Primary coil 0.153_ 0.187WSecondary coil(with plug cap) 6.99_ 10.21KWIgnition coil resistanceSecondary coil(without plug cap) 3.24_ 3.96KW
Pulser coil resistance (20℃ ) 80_ 160W
Ignition timing 15.5°±2°BTDC/2000rpm
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2. GENERAL INFORMATION
2-8
ZX / SCOUT 50
TORQUE VALUES
ENGINE
Item Thread dia. (mm) Torque (kg-m) Remarks
Cylinder head boltClutch drive plate nutClutch outer nutDrive face nutOil check boltEngine mounting boltEngine hanger bracket boltExhaust muffler joint lock nutExhaust muffler lock boltSpark plug
BF7x11510
NH10NH12
10BF10x95BF10x50NC6mmBF8x35
1.5_ 1.73.5_ 4.03.5_ 4.55.0_ 6.01.0_ 1.54.5_ 5.53.5_ 4.51.0_ 1.43.0_ 3.61.1_ 1.7
(cold)
(cold)
FRAME
Item Thread dia. (mm) Torque (kg-m) Remarks
Handlebar lock nutSteering stem lock nutSteering top cone raceFront axle nutRear axle nutRear brake arm boltFront shock absorber: upper mount bolt lower mount bolt hex boltFront damper nutFront pivot arm boltRear shock absorber: upper mount bolt lower mount bolt lower joint nut
1025.425.41216
8
8
1088
4.5_ 5.08.0_ 12.00.5_ 1.35.0_ 7.0
11.0_ 13.0
3.33.3
1.5_ 3.01.5_ 3.0
3.5_ 4.52.4_ 3.01.5_ 2.5
Flange bolt/U-nut
Flange U-nutFlange U-nutFlange nut
Flange bolt/U-nutCross headApply locking agent
Flange screw/U-nut
Flange nut
Torque specifications listed above are for important fasteners. Others should be tightened tostandard torque values below.
STANDARD TORQUE VALUES SH bolt: 8mm Flange 6mm bolt
Item Torque (kg-m) Item Torque (kg-m)
5mm bolt, nut 6mm bolt, nut 8mm bolt, nut 10mm bolt, nut 12mm bolt, nut
0.45_ 0.60.8_ 1.21.8_ 2.53.0_ 4.05.0_ 6.0
5mm screw6mm screw, SH bolt6mm flange bolt, nut8mm flange bolt, nut10mm flange bolt, nut
0.35_ 0.50.7_ 1.11.0_ 1.42.4_ 3.03.5_ 4.5
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2. GENERAL INFORMATION
2-9
ZX / SCOUT 50
SPECIAL TOOLS
Tool Name Tool No. Remarks
Universal bearing puller E030 Crankshaft bearing removal
Lock nut socket wrench F001 Top cone race holding
Lock nut wrench, F002 Stem lock nut tightening
Crankcase puller E026 Crankcase disassembly
Bearing remover set, 12mm(Spindle assy, 12mm)(Remover weight)
E020 Drive shaft bearing removal/installation
Bearing remover set, 15mm(Spindle assy, 15mm)(Remover head, 15mm)(Remover shaft, 15mm)
E018 Drive shaft bearing removal/installation
Bearing outer driver, 28x30mm E014 Bearing installation
Clutch spring compressor E027 Driven pulley disassembly/assembly
Crankcase assembly collar E023 Driven shaft, crankshaft & crankcaseassembly
Crankcase assembly tool E024 Crankshaft & crankcase assembly
Ball race remover F005 Steering stem bearing races
Rear shock absorber compressor F004 Rear shock absorber disassembly/assembly
Universal holder E017 Flywheel holding
Flywheel puller E001 Flywheel removal
Bearing outer driver, 32x35mm E014 Drive shaft bearing installationFinal shaft bearing installation
Bearing outer driver, 37x40mm E014Drive shaft bearing installation Final shaftbearing installation Crankshaft bearinginstallation
Universal bearing puller E030 Crankshaft bearing removal
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2. GENERAL INFORMATION
2-10
ZX / SCOUT 50
LUBRICATION POINTS
ENGINE
NO. Lubrication Points Lubricant Remarks1 Crankcase sliding & movable parts JASO-FC or API-TC
2 Cylinder movable parts JASO-FC or API-TC
3 Transmission gear (final gear) SAE-90#
4 Kick starter spindle bushing Grease
5 Drive pulley movable parts Grease
6 Starter pinion movable parts Grease
FRAMEApply clean engine oil or grease to cables and movable parts not specified. This will avoidabnormal noise and rise the durability of the motorcycle.
Front/Rear Brake Lever
Seat Lock
Rear Wheel Bearing
Throttle Cable
Main Stand Pivot
Grease
Engine OilGrease
Engine Oil
Speedometer Gear/Brake Cam/FrontShock AbsorberLower MountBushings/Pivot
Grease
Grease
Grease
GreaseEngine Oil
Rear Brake Cable
Brake Cam/Anchor Pin
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2. GENERAL INFORMATION
2-11
ZX / SCOUT 50SC10AS WIRING DIAGRAM
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2. GENERAL INFORMATION
2-12
ZX / SCOUT 50
CABLE & HARNESS ROUTING
Front Brake Reservoir
Rear Brake CableThrottle Cable
Ignition Switch
Regulator/Rectifier
Front Brake Fluid Tube
Resistor
Front Stop Switch WireRear Stop Switch Wire
Speedometer Cable
Speedometer Cable
Front Brake Fluid Tube
Horn
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2. GENERAL INFORMATION
2-13
ZX / SCOUT 50
Wire Harness
Rear Brake Cable
Throttle Cable
Front Brake Fluid Tube
Speedometer Cable
Speedometer Cable
Front Brake Fluid Tube
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2. GENERAL INFORMATION
2-14
ZX / SCOUT 50
Ignition Coil
Fuel Unit
Fuel Filter
Oil Tank Cap
Starter Relay
CDI Unit
BatteryWire Harness
Ignition Coil
Oil Tube
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2. GENERAL INFORMATION
2-15
ZX / SCOUT 50
Vacuum Tee
Oil Pump
Ignition Coil
Oil Tube
Fuel UnitFuel Tank Cap
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2. GENERAL INFORMATION
2-16
ZX / SCOUT 50TROUBLESHOOTING
ENGINE WILL NOT START OR IS HARD TO START
Å Empty fuel tankÇ Clogged float valveÉ Clogged fuel filterÑ Faulty auto fuel valve
Å Faulty spark plugÇ Fouled spark plugÉ Faulty CDI unitÑ Faulty A.C. generatorÖ Broken or shorted
ignition coilÜ Broken or shorted
exciter coiláFaulty ignition switch
Å Burned or worncylinder pistonÇ Faulty reed valveÉ Blown cylinder head
gasketÑ Leaking crankcaseÖ Faulty crankcase oil
seal
Å Incorrectly adjusted idlespeedÇ Air leaking through
intake pipeÉ Incorrect ignition
timing
Å Flooded carburetorÇ Throttle valve
excessively open
Å Faulty auto bystarter
Check if fuel reachescarburetor byloosening drain screw.
Remove spark plugand install it intospark plug cap to testspark by connecting itto engine ground.
Inspection/Adjustment Symptom Probable Cause
Fuel reaches carburetor
Spark jumps
Dry spark plug
Not clogged
Normal compression
Engine does not fire
Fuel does not reach carburetor
Weak or no spark
Wet spark plug
Clogged
Low or no compression
Engine fires but does not start
Test cylindercompression.
Remove spark plug andinspect again.
Wait for 30 minutesand then remove thecarbu-retor auto chokecircuit hose and blowthe hose with mouth.
Start engine by follow-ing normal startingprocedure.
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2. GENERAL INFORMATION
2-17
ZX / SCOUT 50ENGINE STOPS IMMEDIATELY AFTER IT STARTS
Å Empty fuel tankÇ Clogged float valveÉ Clogged fuel filterÑ Faulty auto fuel valve
Å Fouled spark plugÇ Incorrect heat range
plug
Å Fouled spark plugÇ Faulty CDI unitÉ Faulty A.C. generatorÑ Faulty ignition coilÖ Broken or shorted high
tension wireÜ Faulty ignition switch
Å Worn cylinder andpiston ringsÇ Blown cylinder head
gasketÉ Flaws in cylinder headÑ Faulty reed valveÖ Seized piston
Å Clogged carburetor jets
Å Faulty CDI unit or A.C.generatorÇ A.C.G. flywheel not
aligned
Å Mixture too rich (turnscrew out)Ç Mixture too lean (turn
screw in)
Check if fuel reachescarburetor byloosening drain screw.
Inspection/Adjustment Symptom Probable Cause
Fuel reaches carburetor
Good spark
Remove spark plugand install it intospark plug cap to testspark by connecting itto engine ground.
Correct timing
Correctly adjusted
Plug not fouled ordiscolored
Normal compression
Not Clogged
Fuel does not reach carburetor
Weak or inter- mittent spark
Incorrect timing
Incorrectly adjusted
Plug fouled or discolored
Abnormal compression
Clogged
Test cylindercompression (using acompression gauge).
Check carburetor forclogging.
Check ignition timing.
Check carburetor airscrew adjustment.
Remove spark plugand install it intospark plug cap to testspark by connecting itto engine ground.
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2. GENERAL INFORMATION
2-18
ZX / SCOUT 50
Å Carburetor not securelytightenedÇ Faulty intake manifold
gasketÉ Deformed or broken
carburetor O-ring
Å Broken cableÇ Dirty auto bystarterÉ Faulty auto bystarter
Å Faulty auto bystarter
Inspection/Adjustment Symptom Probable Cause
No air leak
Not clogged
Clogged
Air leaks
Clogged
Not Clogged
Check carburetorgasket for air leaks.
Connect auto bystarterwire to battery. Waitfor 5 minutes, thenconnect a hose to fuelenriching circuit andthen blow the hosewith mouth.
Remove auto bystarterconnecting wire andcheck if bypass fuelline is clogged.
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2. GENERAL INFORMATION
2-19
ZX / SCOUT 50
ENGINE LACKS POWER
Å Clogged air cleanerÇ Clogged fuel filterÉ Clogged exhaust
mufflerÑ Faulty auto bystarter
Å Faulty CDI unitÇ Faulty A.C. generator
Å Worn cylinder andpiston ringsÇ Blown cylinder head
gasketÉ Faulty reed valve
Å Clogged carburetor jets
Å Fouled spark plugÇ Incorrect heat range
plug
Å Mixture too leanÇ Poor quality fuelÉ Excessive carbon build-
up in combustion chamberÑ Ignition timing too
early
Å Excessive carbon build-up in combustion chamberÇ Poor quality fuelÉ Clutch slippingÑ Mixture too lean
Inspection/Adjustment Symptom Probable Cause
Engine speed increases
Engine overheats
Correct timing
Engine does not knock
Plug not fouled ordiscolored
Normal compression
Not Clogged
Engine speed does not increase sufficiently
Engine does not overheats
Incorrect timing
Engine knocks
Plug fouled or discolored
Abnormal compression
Clogged
Start engine andaccelerate lightly forobservation.
Check ignition timing(using a timing light).
Rapidly accelerate orrun at high speed
Test cylindercompression (using acompression gauge)
Check carburetor forclogging
Remove spark plugandinspect
Check if engineoverheats
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2. GENERAL INFORMATION
2-20
ZX / SCOUT 50
POOR PERFORMANCE (ESPECIALLY AT IDLE AND LOW SPEEDS)
Å Faulty CDI unitÇ Faulty A.C. generator
Å Mixture too rich (turnscrew out)Ç Mixture too lean (turn
screw in)
Å Carburetor not securelytightenedÇ Faulty intake manifold
gasketÉ Deformed carburetor
O-ring
Å Faulty or fouled sparkplugÇ Faulty CDI unitÉ Faulty A.C. generatorÑ Faulty ignition coilÖ Broken or shorted high
tension wireÜ Faulty ignition switch
Å Broken auto bystarterwire
Ç Faulty auto bystarter
Inspection/Adjustment Symptom Probable Cause
Clogged Not clogged
Remove spark plugand install it intospark plug cap to testspark by connecting itto engine ground.
Check ignition timing.
Connect auto bystarterwire to battery. Waitfor 5 minutes, thenconnect a hose to fuelenriching circuit andthen blow the hosewith mouth.
Remove auto bystarterconnecting wire andcheck if bypass fuelline is clogged.
Check carburetorgasket for air leaks.
Check carburetor airscrew adjustment.
Correct timing Incorrect timing
Correctly adjusted Incorrectly adjusted
No air leak Air leaks
Good spark Weak or inter- mittent spark
Not clogged Clogged
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2. GENERAL INFORMATION
2-21
ZX / SCOUT 50
POOR PERFORMANCE (AT HIGH SPEED)
Å Faulty CDI unitÇ Loose A.C.G. statorÉ Faulty A.C. generator
Å Empty fuel tankÇ Clogged fuel tube or
filterÉ Clogged charcoal
canister
Å Clean and unclog
Å Broken auto bystarterwireÇ Faulty auto bystarter
Å Faulty auto bystarter
Inspection/Adjustment Symptom Probable Cause
Clogged Not clogged
Check ignition timing.
Connect auto bystarterwire to battery. Waitfor 5 minutes, thenconnect a hose to fuelenriching circuit andthen blow the hosewith mouth.
Remove auto bystarterconnecting wire andcheck if bypass fuelline is clogged.
Check carburetor jetsfor clogging.
Check auto fuel valvefor fuel supply.
Correct timing Incorrect timing
Fuel flows freely Fuel flowrestricted
Not clogged Clogged
Not clogged Clogged
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2. GENERAL INFORMATION
2-22
ZX / SCOUT 50CLUTCH, DRIVE AND DRIVEN PULLEYS
Å Worn or slipping drive beltÇ Broken ramp plateÉ Broken driven face springÑ Separated clutch liningÖ Damaged driven pulley shaft
splinesÜ Damaged final geará Seized final gear
Å Broken shoe springÇ Clutch outer and clutch weight
stuckÉSeized pivot
Å Worn or slipping drive beltÇ Worn weight rollersÉ Seized drive pulley bearingsÑ Weak driven face springÖ Worn or seized driven pulley
bearings
Å Worn or slipping drive beltÇ Worn weight rollersÉ Worn or seized driven pulley
bearings
Å Oil or grease fouled drive beltÇ Worn drive beltÉ Weak driven face springÑ Worn or seized driven pulley
bearingsSTEERING HANDLEBAR DOES NOT TRACK STRAIGHT
(Front and rear tire pressures are normal)
Å Steering stem nut too tightÇ Broken steering steel balls
Å Excessive wheel bearing playÇ Bent rimÉ Loose axle nut
Å Misaligned front and rear wheelsÇ Bent front fork
Engine starts butmotor-cycle does notmove
Engine lacks power atstart of a grade (poorslope performance)
Steering is heavy
Front or rear wheel iswobbling
Symptom
Symptom
Probable Cause
Probable Cause
Engine lacks power athigh speed
There is abnormalnoiseor smell while running
Motorcycle creeps orengine starts but soonstops or seems to rushout (Rear wheelrotates when engineidles)
Steering handlebar pullsto one side
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2. GENERAL INFORMATION
2-23
ZX / SCOUT 50
POOR SUSPENSION PERFORMANCE
(Front and rear tire pressures are normal)
Å Weak shock springÇ Excessive loadÉ Shock damper oil leaking
Å Bent fork tube or shock rodÇ Fork slider and tube binding
Å Fork tube and spring bindingÇ Fork slider and tube binding
POOR BRAKE PERFORMANCE
(Adjust brake according to standards)
Å Worn brake liningsÇ Worn brake cam contacting area
onbrake shoesÉ Worn brake camÑ Worn brake drum
Å Worn brake liningsÇ Foreign matter on brake liningsÉ Rough brake drum contacting area
Å Sluggish or elongated brake cablesÇ Brake shoes improperly contact
brake drumÉ Water and mud in brake systemÑ Oil or grease on brake linings
Å Faulty brake master cylinderÇ Faulty brake caliperÉ Oil or grease on brake diskÑ Deformed brake diskÖ Leaking brake fluid tube
Suspension is too soft
Brake squeaks
Symptom
Symptom
Probable Cause
Probable Cause
Suspension is too hard
Suspension is noisy
Brake performance ispoor
Index mark on brakepanel aligns with wearindicator arrow
ExpandingBrake
HydraulicBrake
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2. GENERAL INFORMATION
2-24
ZX / SCOUT 50
Faulty
OIL METER
1. Motor oil indicator light does not come on when there is no motor oil (Ignition switch ON)
Å Burned out fuseÇ Weak or dead batteryÉ Faulty ignition switchÑ Loose or disconnected
connectorÖ Broken wire harness
ÅBurned out bulb
Å Loose wire connectorÇ Broken wire harnessÉ Incorrectly connected
wire
Å Faulty floatÇ Broken or shorted wire
inmeter
2. Motor oil is sufficient but the indicator light remains on (Ignition switch ON)
Å Loose or disconnectedconnectorÇ Broken wire harnessÉ Incorrectly connected
wire
Å Faulty floatÇ Broken or shorted wire
in meter
Å Damaged oil tankÇ Foreign matters in oil
tank
Inspection/Adjustment Symptom
Inspection/Adjustment
Probable Cause
Symptom Probable Cause
Signals operate properly
Signals dim, remainon or don‘toperate
Bulb lights Bulb does not light
Good Faulty
Remove oil meter andcheck operation ofindicator light bymoving float
Check connectors forproper connection.
Good
Good Faulty
Remove oil meter andcheck operation ofindicator light bymoving float
Check connectors forproper operation.
Connect indicatorlight bulb to batteryfor bulb inspection.
Check battery circuitby operating turnsignals.
Good Faulty
Float up = Light offFloat down = Light on
Float up = Light offFloat down = Light on
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2. GENERAL INFORMATION
2-25
ZX / SCOUT 50
FUEL GAUGE1. Pointer does not register correctly (Ignition switch ON)
Å Burned out fuseÇ Weak or dead batteryÉ Faulty ignition switchÑ Loose or disconnected
connectorÖ Broken wire harness
Å Faulty float
Å Broken or shorted fuelunit wire
Å Loose or disconnectedconnectorÇ Incorrectly connected
connectorÅ Broken or shorted wire
in fuel gauge2. Pointer fluctuates or swings (Ignition switch ON)
Å Burned out fuseÇ Weak or dead batteryÉ Faulty ignition switchÑ Loose or disconnected
connectorÖ Broken wire harness
Å Poor contact in fuelunit
Å Insufficient damping oilin fuel gauge
Å Loose or disconnectedconnectorÅ Broken or shorted wire
in fuel gauge
Inspection/Adjustment
Inspection/Adjustment
Symptom
Symptom
Signals operate properly
Signals operate properly
Signals dim, remainon or don‘toperate
Signals dim, remainon or don‘toperate
Pointer does not move
Pointer does not move
Good
Good
Pointer moves
Pointer moves
Pointer moves
Pointer does notmove in accord-ance with float
Faulty
Faulty
Pointer does notmove
Pointer moves inaccordance withfloat
Probable Cause
Probable Cause
Remove fuel unit andcheck operation ofpointer by movingfloat up and down.
Check battery circuitby operating turnsignals.
Check operation ofpointer by openingand shorting fuel unitterminal on wireharness side.
Check connectors forproper connection.
Remove fuel unit andcheck operation ofpointer by movingfloat up and down.
Check battery circuitby operating turnsignals and horn.
Move float up anddown rapidly (1 round/sec.) to check theoperation of pointer.
Check connectors forproper connection.
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2. GENERAL INFORMATION
2-26
ZX / SCOUT 50STARTER MOTOR1. Starter motor won‘t turn
Å Burned out fuseÇ Weak or dead batteryÉ Faulty stop switchÑ Loose or disconnected
connectorÖ Broken or shorted
ignition switch wire
Å Faulty or weak battery
Å Poor starter buttonconnectionÇ Faulty starter relayÉ Loose or disconnected
connector
Å Faulty starter motor
Å Faulty wire harness2. Starter motor turns slowly or idles
Å Weak or dead battery
Å Loose or disconnectedconnectorÇ Faulty starter relay
Å Seized cylinderÅ Broken or shorted
starter motor cableÇ Faulty starter pinion
3. Starter motor does not stop turning
Å Faulty starter pinion
Å Starter relay shorted orstuckclosed
Inspection/Adjustment
Inspection/Adjustment
Inspection/Adjustment
Symptom
Symptom
Symptom
Signals operate properly
Signals operate properly
Signals dim, remainon or don‘toperate
Signals dim, remainon or don‘toperate
Stoplight does notcome on
Starter motorturns
Turns easily
Not stopped
Stoplight comeson
Starter does notturn
Hard to turn
Stopped
Relay operates properly
Starter motor turns slowly
Probable Cause
Probable Cause
Probable Cause
Relay does not operate
Starter motor turns normally
Check operation ofstop switch byapplying brake.
Check batterycircuit by operatingturn signals.
Check batterycircuit by operatingturn signals.
Turn ignition switchOFF.
Check operation ofstarter relay bydepressing starterbutton.
Connect startermotor directly tobattery.
Connect startermotor directly tobattery.
Rotate crankshaft.