我的摩托车是YAMAHA XSR900,这台车已经到了更换火星塞的时间了，我不想更换原厂型号的，我就在webike上购买了这款NGK MotoDX火星塞，这个型号是NGK的高端型号，可以有效的降低点火延时，提高使用寿命，更换后实际体验，加速迅猛，比原厂性能好多了
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11.06 USD (1,620 JPY) 17.06 USD Save 35%
Webike Point: +16 pt
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FITMENT
YAMAHA
Open Fit Model Information Table
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MT-09 SP
14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
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MT-09
14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
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MT-09 TRACER
15- RN36J/N703E(15.2-)[displacement]900[number of units required]3
Product detail
[Type] Moto DX Plug
[NGK part number] CPR9EDX-9S
[Stock Number] 97894
[Terminal shape] Screw type
[Heat Value] 9
[Compatibility Information] CPR9EA-9
**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.
*There may be changes in product specifications due to the manufacturer's reasons.
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* The image is only for reference. The image shown may differ from the actual product.
[Features, Structure]
■D-Shape outer electrode with new material and center electrode with ruthenium!
As a spark plug for exclusive use in motorcycles, it has improved the various performances (acceleration, durability, anti-fouling, fuel efficiency, startability, etc.) required of spark plugs.
The D-shaped outer electrode (D-Shape outer electrode) and the ruthenium blended center electrode realize outstanding combustion efficiency.
■The D-Shape outer electrode is an electrode shape that does not obstruct the flow of the air mixture!Efficiently directs the air mixture into the spark gap.
■The D-Shape outer electrode is an electrode shape that does not inhibit the spread of the flame!More spherical and ideal combustion.
[About the shape of the plug terminal] ● Select the terminal with the shape that suits 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] |
| - Super "wide range" plug - |
| The center electrode has a "copper cored" structure with copper sealed up to near the tip so that a large amount of heat can be released quickly.The result is an ultra "wide range" plug that is resistant to burning and smoldering. |
 |
| Comparing the thermal characteristics of plugs with a copper core and plugs without a copper core, plugs with a copper core excel in thermal characteristics and fouling resistance, and have a wider heat range. |
| ■ Heat value of the plug |
| - New ceramics high alumina porcelain 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 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
NEW ARRIVALS IN USED PARTS FOR
NEW ARRIVALS IN USED PARTS FOR
NEW ARRIVALS IN USED PARTS FOR
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Customer Reviews
Reviews with image
Fits:YAMAHA MT-09 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3, YAMAHA MT-09 TRACER 15- RN36J/N703E(15.2-)[displacement]900[number of units required]3, YAMAHA MT-09 SP 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
Fits:YAMAHA MT-09 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3, YAMAHA MT-09 TRACER 15- RN36J/N703E(15.2-)[displacement]900[number of units required]3, YAMAHA MT-09 SP 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
Dec 11, 2021
It is used for MT-09
I'm used to the MT-09's lack of workability, but changing the plug is still a pain in the ass.
After the replacement, it started to turn pleasantly, and it got too good, and the fuel consumption decreased.
I just open Axel too much lol.
Helpful?
Fits:YAMAHA MT-09 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3, YAMAHA MT-09 TRACER 15- RN36J/N703E(15.2-)[displacement]900[number of units required]3, YAMAHA MT-09 SP 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
Nov 16, 2021
I've done about 200km since switching to motoDX.
Engine became lighter. I think that the speed of rotation increased.
When I first turned it on, I was surprised at how fast the engine sound blew. I always drive without looking at the tach. I don't look at the tach all the time, so I don't think I'm wrong.
I'm writing this in a way that makes the change feel extremely Large, but even a small change felt that much to me.
In general, I thought that there was a change as much as I changed from an old Plug to a new Plug. Is it more than that because the thing is different?
The response is the same, but the pickup is a little better and it is more fun to run at high rpm.
Installation (A proper shop) It's better to leave it to
Helpful?
Fits:YAMAHA MT-09 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3, YAMAHA MT-09 TRACER 15- RN36J/N703E(15.2-)[displacement]900[number of units required]3, YAMAHA MT-09 SP 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
Mar 25, 2021
The model we installed this time was Yamaha's MT-09SP.
I bought it as a new car and drove it 20,000 km in a period of about three years.
When New ModelPlug came out from NGK before, the one which I bought on impulse still remained, and I exchanged it before the car inspection this time.
The replacement process is easy enough for anyone who can do some maintenance.
Parts that must be removed are.
・Seat
Side cover and Neck back cover
・Fuel Tank
Air cleanerBOX
Access to the box is instantaneous, and the plug cap is harder than it should be, so you have to be strong to remove it.
The Cap has a specific orientation, so take a picture and remember it before you remove it.
If you remove it, it is the same as a normal Plug replacement.
The Normal plug was worn out and the PlugGap was open, so I changed it to a new one and Idling became stable!
I could definitely feel this, but I'm sure it's the same with the Normal plug.
I can't honestly say I've experienced the ride. but I think there will be Merit in the long run.
Helpful?
Fits:YAMAHA MT-09 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3, YAMAHA MT-09 TRACER 15- RN36J/N703E(15.2-)[displacement]900[number of units required]3, YAMAHA MT-09 SP 14-21 RN34J/RN52J(14-21.7)[displacement]900[no. of units required]3
Feb 23, 2021
Brand: NGKCommodity: NGK MotoDX Plug CPR9EDX-9SUse model: YAMAHA XSR900 18-Delivery time: The time limit quickly took 20 days to reach the Chinese customsExperience: NGK MotoDX Plug CPR9EDX-9S can improve the ignition efficiency, allowing the engine to exert greater performance. I have used it for 1 year, and the fuel consumption and power have improved than before.
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