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BOSCH W5AC Spark Plugs For Motorcycle BP7HS Short Length

Cixi wang’s Auto Parts Manufactory
Cixi wang’s Auto Parts Manufactory
Province/State: Zhejiang
Country/Region: China
Tel: 86-574-63861339
Contact Person:Mrs barel chen

BOSCH W5AC Spark Plugs For Motorcycle BP7HS Short Length

Brand Name : ANGELMAN
Model Number : B7HS
Certification : ISO9001:9002
Place of Origin : China
MOQ : 10000PCS
Price : negotiation
Payment Terms : T/T or western Union
Supply Ability : 1800000pcs/month
Delivery Time : 20days afer deposit
Packaging Details : 10pcs/box, 400pcs/ctn
Spanner size : 20.8mm
Outer Thread : 14*1.25mm
Thread Length : 12.7mm
Central electrode material : nickel
Spark plug : 1 earthed electrode
color : white
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BOSCH W5AC spark plugs for motorcycle same as BP7HS short length


Product Specifications


Item NameMotorcycle Spark Plug
BrandOEM
QualityTop Quality from Professional Factory
ModelB7HS park Plug
MaterialNormal Nickel, Platinum, Iridium alloy
MOQ10000pcs

APPLICATION


EQUIVALENT MODELS


BrandModel
AC Delco41F
AC Delco42F
AC Delco430Z
AC DelcoM42FF
AC DelcoMC42F
AC DelcoR41F
AC DelcoR42CF
AC DelcoS42F
Accel156
AccelACC7HS
Autolite2636
Autolite2653
Autolite2654
Autolite4092
Autolite4093
Autolite413
AutoliteXS4093
Beck Arnley176-5006
Beru0001445702
Beru14-4A
Beru14-4A2
Beru14-4AU
Beru14-5A
Beru14-5AU
Beru14Z-7AU
Beru225/14
Beru240/14
BeruZ 40
BeruZ 40
BeruZ40
Bosch0241245580
Bosch0241245602
BoschW225T1
BoschW3AC
BoschW4C3
BoschW5A
BoschW5AC
BoschW5AP
BoschWR5AC
BoschWR5AP
Bosch stk7528
Bosch stk7532
BriskN14
BriskN14C
BriskN15
BriskN15C
L11S
L4J
L5
L77J
L77JC
L78
L78C
L81
L82C
UL4J
UL81C
UL81J
stk807
stk811
stk835
Denso4025
Denso5379
Denso6051
DensoIWF22
DensoTR22
DensoW22FS
DensoW22FS-U
DensoW22FSU

OE NUMBERS


CITRO?N7567.59
HITACHIM 44 W
HITACHIM 44 X
HONDA98076-57710
HONDA98076-57740
KAWASAKIE92070001
KAWASAKI9207 0001
KUBOTA13581-67710
KUBOTA13581-67716
LEXUS90098-22645
MERCURY823 71 M
MERCURY823 71 B
MITSUBISHIMS 851 134
MITSUBISHI801 033
PEUGEOT7567.59
SUBARU82054-9312
SUBARU820549310
SUZUKI09482-00083
SUZUKI09482-00153
SUZUKI09482-00191
SUZUKI09482-00082
TOYOTA90098-22645
YAMAHA94700-00040
YAMAHA94703-00040
YAMAHA94702 00149
YAMAHA94701 00040
YAMAHA94702-00040


SPARK PLUG OUTLINE ANALYSIS AFTER USE


Overheating
Insulator skirt side was”blach white”shaped electrode ablation prematurely. Because premature ignition timing,cooling system adverse; using a low-grade gasoline, mixture too lean; spark plug into the combustion chamber and spark plug heat value too low; spark plug installation torque is not enough, the outer seal leak worse.

Insulator breakage
End of the spark plug insulator skirt cracking or breakage.The use of low-grade gasoline or cause premature ignition timing.

Oil wet
Hulled face screwed around and luminal surface portion of the insulator and the electrode surface adhesion side skirts with black wet shiny oil.Mainly piston rings, cyclinder wear and tear to because improper carbutetor adjustment


Normal operation
End of the spark plug insulator skirt was brown, brown or light gray, electrode erosion is very small, indicating that the spark plugs and the engine is matched

Too much coke
Side electrode and insulator attached to a thick layer of yellow skirt powder, is due to the use of leaded fuel additives caused


Hot combustion
Melting electrode, the center electrode and the side electrode of the port portion into a molten state. Because premature ignition timing, cooling system adverse; using low-grade gasoline, mixture too lean; spark plug into the combustion chamber and spark plug heat value too low; spark plug installation torque is not enough, the outer seal leak worse

Toner Blackened
Screwed steel face and cavity surface portion of the insulator side skirts and black carbon electrode surface is covered by sediments, causing severe spark plug flameout. Mainly due to the mixture is too thick, clogged air filter, choke improper use; excessive oil consumption, ignition time lag; prolonged low speed and the use of high heat value of the spark plug.

Lead Contamination
Insulator skirt side white powder or yellow,brown, green, and black lead color. Since tetraethyl lead in gasoline at low engine load operation of the skirt adhered to the end surface of the insulator, when the engine speed, high speed, full load operation, the temperature increases further, the spark plug insulator formed on the surface of the conductive lead compound due to temperature increased with the increase, eventually leading to fire the spark plug.



Flashover
Porcelain surface axially obvious traces the arc burning sparkle. Is due to prolonged use spark plug electrode burning, the gap is too large, high-voltage insulator jacket poor performance, aging; porcelain high-voltage lines and the gap is too large.






Mounting torque is too small
Deformation of the outer washer inadequate leak, resulting in insufficient cooling spark plugs. Spark plug could easily lead to overheating and even pillow melting electrode, porcelain skirt burst.

Corona
On the insulator layer of yellow scale. 2 is due to air under high voltage to 30000 volts is ionized impurities in the air is formed on the insulator attached


External damage
Electrode and insulator skirt severely deformed damaged, is due to incorrect use spark plug model, and the impact caused by cylinder





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