Specifications

Tune
Up
GAP
BRIDGED
Datsun
Oil FOULED
CARBON FOULEO
IOE
Tlf lED BV DepOSIT
eUllQ CLOSING CAli
BETWEEN
LECTROOES
C USEOBYOlLOR
RBON FOULING
DEPOSITS NOT l
CES vf
THE
UG CAN BE CLEANED
WORN
IDENTIfiED lIv
WET BlAe
OSITSO
l IE
NSUl TQRSHElL
BORE LEer RODES CAUSED BY
Ew
CESsIV OIL
E
n RING CQMeus
10i l CHAMBER ROUGH
WORN
N j
1110 101115 llCESSlv
CLE A NCE BE 1WEE VE
GUIOESANDSTEMS ORWOHNOR
LOOSE BEARINGS CAN
BE CLE I NEO
lNGINE
S NOT REPAHtEO uSE
HOTTER UG
NORMAL
I
DBY BLACK
CARBON
DEPQsrrSON NSUlATQR
IPS E POSEDSHELL
SURf
ACES ND ELECTRODES
CAUSED By TODCOLD
U WE I IGNITION DIRTY
CLEANER DEfECT vE vEl
UMP TOO fUEL
I
TU E
OR EXCESSIVE
NG
CAN
BE CLEANED
LEAD FOULED
IDENTifiED 81 SEVEAEL
ERODED DR WORN LECTROOfS
CAuSEe
11 NORMAL weAR
SHOULQ BE REPLA
CEO
PRE IGNITION
IDENTIFIED
BY IGHT OR
GRA OE
I
OSITSON HE
0
CA NBE Cl EA NEO
OVERHEATING
lOENTI IED BY OA RI
GAA
BtACI YELl OW
OR OEPOSITSOR
USED AZED COATING
ON HE SULA tOR
CAUSED BY uHL
l EADED GA SOL NE CA
BE CLEA ED
FUSED SPOT DEPOSIT
JOENTIFIEO BY MELTED
ELECTROOES
NO
POS
IBL
BLISTE RED N UL TOR
M ETA LLlC OEPOSITSON
NSUl ATOR NDICATE ENC INE
OAMAGE
CAUSED WRONG PE
OF
UEL INOORRECT
IG
I1I
N
IMING OR ADVANCE TOO HOT
UG BURN t VES OR
ENGINE OVERHEATING
REPLACE
HI uc
DU TI ED
81
WHITE OR IGHT
GRAY NSULATORWtlKSMALL
BLAC OR
GRA Y
BROWN SPOTS
NOWITH BLLnSH BURNT APPEAR
NCE OF ELECTRODES
CAUSEr
ENe
E VERHEAlll IG WRONG
PE O UEL LOOSE SPARK
PLUGS TOO HOT UG LDlI i
UEL UMPPRESSURE OR NCOR
fUCllGNtTlON IMI j REPLACf
HE LUG
IOENTI IEOBY MELTED
OR SPOTTy
DEPOStTS
ReSEMBLING BUBBLES
OR BLISTERS
CAUSED SUODE Ii
ACCELERA T10N C l8E
CLEANED
FIg
25
Spark
plug
conditIOn chart
30