A friend wanted an iridium plug for their CBX125 and Webike was the place to get it. This was easy to find using the tools provided by Webike and all the links to the manufacturers websites. They had previously had an iridium installed and wanted to keep to the one they are used to. Ordered along with other parts so the shipping was good too. Arrived with no faults or issues. The outer box had been sealed with extra tape to ensure, nothing could fall out or escape during transit. Any empty space was filled with air pockets and bubble wrap so nothing could move too much and damage other more delicate parts in the box. The plug arrived in 100% perfect condition. Fired on test and then fitted to the bike.This now makes the bike run as it should and no more bogging down and getting misfires.Very pleased with the result from this plug change. Thank you Webike
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8.18 USD (1,213 JPY) 14.49 USD Save 44%
Delivery Information
In Stock, Ships within 24 hours.
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FITMENT
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displacement]250 [number of units required]2
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BROS650 2
88- NT650 RC31 88.1- [displacement]650 [number of units required]4
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BROS650
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HONDA
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FJ1100
84-86 [displacement]1100 [number of units required]4
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SRX400
90- 3VN1、3VN2、3VN5 90.2- [displacement]400 [number of units required]1
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GTS1000/A
93- 4HH4 [displacement]1000 [number of units required]4
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GRIZZLY660
04- 1WS3, RM19J/M410E [Displacement]660 [Required units]1
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YAMAHA
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DESPELADO800
96- VS53B 96.11- [displacement]800 [number of units required]2
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DESPELADO
96- VK52A 96.5- [displacement]400 [number of units required]2
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TEMPTER
97- ST400V NK43A 97.4- [displacement]400 [number of units required]1
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SAVAGELS400
92- NK41A/B 92.11- [displacement]400 [number of units required]1
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SUZUKI
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VOYAGERXII
86- [displacement]1200 [number of units required]4
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Bayou 400
displacement]400 [number of units required]1
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VZ750 TWIN
85- VN750A [displacement]750 [number of units required]4
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KVF400
01- KVF400 [displacement]400 [number of units required]1
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KAWASAKI
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K1100RS
92-98 [Number required]4
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TRIUMPH
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db-2
92- [Number required]2
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db-3MANTORA900
95- [Number required]2
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Scorpion tour
Required quantity]1
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Scorpion sports
Required quantity]1
Product detail
[Stock Number] 4274
[Shape] Screw type
[Size]
Screw diameter: Φ12.0mm
Screw length: 19.0mm
Hexagon dihedral width: Hex 18.0mm
[NGK part number] DPR8EIX-9
[Type] Iridium IX Plug
Plug unit and terminal image: [4-c] See Image 6
[Heat Value] 8
[Compatibility Information] DENSO Compatibility: IX24B/X24EP-ZU9/X24EPR-ZU9
Compatible HONDA stock part number: 98069-58912/98069-58922
YAMAHA OEM part number compatible: 90793-20013/90793-20083/90793-20119/90793-20154/90793-22099/90793-2B119
SUZUKI OEM part number compatible: 99000-69835-PR8/99000-79A45-DP8/99000-79K24-24B
Compatible KAWASAKI OEM part number: J4520-IX24B
**Even if you purchase in units of 10 pieces (1 box), it will not be delivered in 1 box.
*Terminals, tightening angle, etc. may differ depending on the model.Please refer to the link for the detailed fitting and installation instructions..
* The image is only for reference. The image shown may differ from the actual product.




Webike has all NGK plugs in stock! .
* The item may be temporarily out of stock due to manufacturer shortages, etc
[Features]
1. Improved acceleration
You can feel the difference between this plug and the standard plug by its quick response to the accelerator pedal opening.Changing to Iridium plugs will improve acceleration.
2. Engine power pup
Iridium plugs increase engine performance.You can enjoy a comfortable ride with a strong power on the uphill.
3. Improved ignitability and startability
Iridium plugs have ultra-fine electrodes that ignite quickly and improve the starting performance of the engine.The idling is stable because of less spark variation.
4. Increased fuel efficiency
Iridium plugs have excellent ignitability, so they burn gasoline efficiently.This plug is both economical and environmentally friendly.
As a premium plug for stock engines, an ultra-fine iridium alloy has been adopted for the central electrode to achieve superior ignitability and greatly improved response.The electrode is thin and sparks fly easily, so the energy is large and the ignitability is improved.It maximizes the performance of the engine.In addition, the thermo edge at the tip of the insulator burns off the attached carbon (burnt debris), prevents the ignition performance of the plug from deteriorating, and maintains high performance.
[Features of Iridium IX plug]
Iridium IX plugs are high performance plugs with a faster combustion spread than general plugs and with a thermo edge at the tip of the insulator to improve plug fouling.
Iridium alloy is used for the center electrode.
The electrodes are finer than those of platinum to improve the ignition performance.In addition, this plug is resistant to carbon contamination by the thermo edge effect.
・The center electrode is very thin and the tip of the outer electrode is tapered.
・Easy to spark and excellent in ignition performance.
・The engine has improved starting performance, acceleration, idling stability, and fuel consumption.
・Since the flame damping effect of the plug electrode is reduced, the ignition performance is improved.
*The effect varies depending on the vehicle.
[About the shape of the plug terminal]
●Select a terminal shape that matches the engine and plug cord installation side.
There are three types of plug terminals: integrated type, separate type, screw type, and punch-and-caulk type.
Mainly, "integral type" and "punch caulking type" are used for four-wheeled vehicles and "screw type" for two-wheeled vehicles, and "separate type" is available for plugs used for both four-wheeled and two-wheeled vehicles.
In addition, the terminal part of the "separate type" can be removed, but the terminal part of the "integrated type" and "punch-and-caulk type" cannot be removed.If you try to remove it forcibly, the terminal part may be broken.
In case of using the "separate type" as the "screw type", remove the terminal nut.
When using the product with the terminal nut attached, make sure that it is not loose, and if it is loose, tighten it lightly with pliers or the like.
[Features of NGK plug] |
- This is a super "wide range" plug - |
The center electrode , The center electrode is a "copper cored" construction with copper sealed to near the tip to allow a large amount of heat to escape quickly. The result is an ultra "wide range" plug that is resistant to burning and smoldering. |
![]() |
Comparing the thermal characteristics of plugs with copper cores and plugs without copper cores, the plugs with copper cores have superior thermal characteristics and fouling resistance, and a wider thermal range. |
■ Heat value of the plug |
- High alumina porcelain from New Ceramics is used as the insulator - |
- Excellent insulation at high temperature and reliable sparking. ・Excellent heat conductivity and prevents seizure. ・High thermal shock resistance (rapid heating and cooling) and excellent mechanical strength. |
- Strong and airtight in construction - |
Because the insulator and the main metal fittings are joined by special powder, it is excellent in airtightness and strong in structure. |
Special Nickel alloy electrodes are used for superior durability. |
![]() |
- Corrugations in the insulator ensure good insulation and prevent flashover - |
During sparking, a high voltage is constantly applied between the terminal and the main unit bracket. High voltages try to leak along the surface of the insulator and flashover is more likely to occur if the required voltage between the spark gaps is high. In order to prevent flashover, insulator corrugations (folds) are provided to increase the insulator surface distance between the terminal and the main fittings to ensure insulation and prevent flashover. |
What is a flashover... |
It is a spark between the terminal and the main unit fitting as shown in the image. |
![]() |
■ Flashover |
■The advantages of the plug |
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
MODEL PAGE LINKS
- CBX125
- CBX125
- CBX125
- XLR125
- XLR200
- PHANTOM200
- CB223S
- FTR223
- FTR223
- CRF230F
- CRF230L
- SL230
- XL230
- XR230
- XR230 MOTARD
- CBX250RS
- GB250 CLUBMAN
- GB250 CLUBMAN
- VT250F/INTEGRA
- VT250F/INTEGRA
- VTZ250
- XLX250
- CBX400CUSTOM
- GB400
- NV400
- NV400
- VF400
- VF400
- XL400V TRANSALP
- XL400V TRANSALP
- Bros 400 (NT400)
- CX500
- GB500
- VT600 SHADOW
- VT600 SHADOW
- VT600 SHADOW
- XR600
- XL600V TRANSALP
- CBX650CUSTOM
- CX650 TURBO
- FMX650
- FX650 VIGOR
- NTV650 (REVERE, Hawk GT, Bros)
- NX650 DOMINATOR
- XL650V TRANSALP
- XRV650 AFRICA TWIN
- NT650V DEAUVILLE
- Bros 650 (NT650, Hawk GT)
- Bros 650 (NT650, Hawk GT)
- Bros 650 (NT650, Hawk GT)
- GL700 (GL650 SILVER WING)
- CB750
- CB750
- CB750 NIGHTHAWK
- CBR750 (Hurricane, Super Aero)
- CBR750 (Hurricane, Super Aero)
- CBX750
- CBX750
- NV750
- Magna VF750
- VF750F Interceptor
- VF750 Sevier
- VF750 MAGNA
- VFR750F Interceptor
- XLV750
- XRV750 AFRICA TWIN
- VT750 SHADOW
- CB1000SF (Super Four, Big-1)
- CB1000SF (Super Four, Big-1)
- CBR1000F (Hurricane)
- VF1000 Interceptor
- VTR1000F Firestorm (SuperHawk)
- XL1000V VARADERO
- GL1100 GOLD WING
- GL1200 ASPENCADE
- CB1300ST Super Touring
- CB1300SF (Super Four)
- CB1300SF (Super Four)
- CB1300SB (Super Bol D'or, CB1300S)
- X4
- GL1500 ASPENCADE
- VALKYRIE (GL1500C, F6C)
- VALKYRIE (GL1500C, F6C)
- VALKYRIE (GL1500C, F6C)
- VALKYRIE (GL1500C, F6C)
- VALKYRIE (GL1500C, F6C)
- SRX400
- XT400 ARTESIA
- SRX600
- SRX600
- TT600
- XJ600 (FJ600)
- XTE600
- SZR660
- XT660Z TENERE
- FZ750
- FZR750
- FZX750
- XTZ750 SUPERTENERE
- TDM850
- TDM850
- TRX850
- TDM900
- GTS1000
- FJ1100
- FJ1200
- FJ1200
- VMAX 1200
- VMAX 1200
- XJR1200
- VENTURE ROYALE(XVZ1200)
- XJR1300
- VENTURE ROYALE (XVZ1300)
- XV1900 Stratoliner
- XV1900A Midnight Star (Star Roadliner)
- NZ250
- NZ250
- INTRUDER250 (VL250)
- GS400
- GS400
- INTRUDER400 (VS400)
- SAVAGE400 (LS400)
- SAVAGE400 (LS400)
- TEMPTER400
- DESPERADO400
- DESPERADO400
- DESPERADO400
- GS500
- LS650 Savage
- LS650 Savage
- INTRUDER750 (VS750)
- BOULEVARD S50 (INTRUDER800, VS800GL)
- BOULEVARD S50 (INTRUDER800, VS800GL)
- VX800
- BOULEVARD S50 (INTRUDER800, VS800GL)
- DESPERADO800 (MARAUDER800,VZ800)
- DESPERADO800 (MARAUDER800,VZ800)
- BOULEVARD M50 (INTRUDER M800, VZ800)
- DESPERADO800 (MARAUDER800,VZ800)
- BOULEVARD S83 (VS1400GL INTRUDER)
- BOULEVARD S83 (VS1400GL INTRUDER)
- T595 DAYTONA
- BONNEVILLE AMERICA
- BONNEVILLE "Bonnie"
- BONNEVILLE "Bonnie"
- BONNEVILLE "Bonnie"
- BONNEVILLE "Bonnie"
- BONNEVILLE "Bonnie"
- BONNEVILLE SE "Bonnie"
- AMERICA
- AMERICA
- SCRAMBLER
- SPEEDMASTER
- SPEEDMASTER
- Thruxton
- BONNEVILLE T100 "Bonnie"
- BONNEVILLE T100 "Bonnie"
- LEGEND TT
- SPRINT RS
- DAYTONA955i
- SPEEDTRIPLE
- SPEEDTRIPLE
- SPRINT ST
- TIGER
- TIGER
- Rocket III Roadster
- Rocket III