CSC RX3 - Page 54

CSCRX3ServiceManual
www.CSCMotorcycles.com
53

Enginediagnosisprocedure:Difficulttostartengine.
Unableorhardtostarten
g
ine
Ins
p
ectthei
g
nitions
y
stem
No
Removethesparkplugandinspectifthesparkplugelectrodesare
connectedviathecarbon
Yes
Conductthespark‐overtest
Removethecarbondeposition
Weakornoflamebetweenelectrodes
Strongblueorbluishvioletflamefoundbetweenelectrodes
Screwoffthesparkplugcapandconduct
thespark‐overtestonthehigh‐voltageline
Inspectiftheengineignitionisoperational
No
Yes
Strongblueflame
Weakor
noflame
1.InspectiftheCDIigniterfails
2.Inspectifthemagentor
flywheelandthetriggeringcoil
areloosened
Igniteandstartafter
pullingouttheinjector.
Inspectiftheinjected
fuelisatomized
NoYes
Inspectthe
supply
conditionof
ignition
p
owersource
Inspecti
f
the
ignitioncoilisin
shortcircuitor
o
p
encircuit
Inspectifthe
internalcircuitof
ignitionsystemisin
shortcircuitoropen
circuit
Inspectifthe
CDIigniterfails
Inspectthecylinder
compressionpressurewiththe
c
y
linder
p
ressure
g
a
g
e
Inspectifthefueltank
isfilledwithgasoline
Yes
No
Insufficientcompression
p
ressure ofc
y
linder
Fillgasoline
①Inspectiftheventholeon
fueltankcoverisblockedornot
②inspectifthefuelfilteris
blocked
③inspectifthefuelnozzleis
blocked
④Inspectifthefueltubeis
broken
⑤inspectiftheconnector
betweenthefuelnozzleandthe
fuelpump
assemblyisloosened
①Inspectiftheexternaljoint
ofenginehasanyleakage
②Inspectifthevalvetiming
mechanismworksproperly.
③Inspectifthevalvelashis
excessivelysmall.
④Inspecttheairtightness
betweenvalveandvalveseat.
⑤Inspectifthepistonringis
fractured,clampedinthering
slot
orhaspoorelasticity
⑥Inspecttheabrasionof
pistonringandcylinder
1.Inspecttheignitionpowercoilisinshort
circuitoropencircuit
2.Inspectifthetriggingcoilisinopencircuit
orshortcircuit
Sufficientcylinder
compression
pressure
Removethesparkingplug
andins
p
ect
Dampsparkingplug
electrode
Drysparkingplug electrode
Inspectiftheairfilterisblocked
D
rop

several

gasoline

drops

in

the

cylinder

and

conduct

the

trial

start
Shortoperationtimeafter
startu
p
orshutdown
Continuetoworkafterstartup
Ins
p
ectwithafailuredia
g
nostic Ins
p
ectwithafailuredia
g
nostic
Inspectsparkplug,
sparkplugcapfor
trouble
Breakerlessmagnetoignitionsystem