[Compatibility Information] NGK compatible: CR9EK / CR9EKB / CR9EKPA / R017-9 YAMAHA OEM part number compatible: 90793-22104 SUZUKI OEM part number compatible: 09482-00410 (CR9EK) / 09482-00411 / 99000-79K24-27A Compatible KAWASAKI OEM part number: J4520-IU27A / J4520-U27ETR
Iridium power to further increase your vehicle's acceleration and fuel efficiency with stable ignition power.It is recommended for those who want to have a higher grade of sharpness and power in their vehicle, and for those who want to drive economically with good fuel economy.
[In addition to the high response, the acceleration performance is improved.] Iridium power ensures stable ignition even when the engine is running unevenly.This improves the performance during acceleration.
[More reliable ignition at idle]Fuel efficiency and quietness are also improved.] Iridium Power reduces missparks and stabilizes idling speed at idle, where ignition is often poor.This increases the quietness of the engine noise and fuel efficiency.
[0.4mm diameter iridium alloy center electrode] The thicker the center electrode of the plug is, the larger the cooling effect becomes and the worse the ignitability becomes.In comparison, the 0.4 mm diameter iridium alloy center electrode has an extremely small cooling effect and heat is not easily lost, so that ignition loss is reduced and more reliable ignitability, which can be called the basic performance of the plug, is realized.
[uneven ignition power] For the improvement of ignitability, it is important to grow the flame nucleus formed by the flying flame.Normally, this is done by increasing the spark gap, but this increases the sparking voltage and has the opposite effect.Therefore, DENSO's original U-groove grounding electrode was adopted for Iridium Power, and excellent ignition performance was realized while keeping the spark voltage low.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
I've been using this Iridium power plug ever since I switched to my previous RSV4 Factory and then RSV4 RF (2016). In the case of RSV4, NGK's Windshield IRIDIUM is not compatible, so I think Denso is the natural choice. For gasoline engine, good mixture, good compression and good spark are important, so we expect good spark by replacing with this Plug. As the effect of Iridium plugs, there are low fuel consumption by the increase of combustion efficiency, improvement of engine power, improvement of acceleration, improvement of startability, carbon does not accumulate easily, etc., but I think that the difference to the extent that it can be felt is not obtained, and in my case, I do not know the difference from the OEM RPlug from the beginning. I don't know the difference from OEM RPlug because I have changed to Windshield IRIDIUM. But for now, I think the engine power is out when I run Circuit, and the starting is very good even in the morning of winter, and the mileage may be a little better than other RSV4 when I go Touring. Well, when it comes to fuel economy, it's pretty muchQuantity on how you ride.:Pair (for Left and Right) It may not be helpful because it is done. By the way, when I did the dyno measurement before, it was 187ps at the rear axle, so I guess there is some power coming out. (Iridium power plug, DNAAir Filter, AKRAPOVICFull Exhaust System, measurement at the beginning of autumn with the RACINGMap attached to the Full Exhaust System)
Next time I'm going to replace it with an Iridium racing plug.
By the way, changing the plug in the RSV4 is quite a hassle, especially changing the front bank. When ECU, variable Air Intake Funnel, Air cleaner box are removed as shown in the photograph, it pulls out the Brown pain Brown long Plug cap and removes the Plug which is considerably in the back of the Head, but when Extension is attached so that the Plug wrench may reach to the Plug The part of the Head of Frame interferes and does not enter, and even if somehow it enters, when Plug is removed, this time it does not remove. 。 It may not be able to be removed without using the technique that the Extension and the Plug wrench are pulled out separately by removing the Plug wrench from the Extension once when combining the Extension and the Universal joint of the exquisite length (about 13cm) and pulling it out. It may not be possible to remove it unless you use the following technique 。 So I decided to use the middle for the work's Kill.View Detail
Motorcycle reacts to Linear to Axel who knows that Pickup and Torque are going up. Becoming Peeky If it says badly Replacing it As the thinness of the fuel in the low and middle speed region became particularly concerned, it was mostly a matter of concern Unfortunately the startability deteriorates with about 3000 approx. Installation Engine Stall when opening Axel near Idol EngineStall may be fuel thin as well? View Detail
I used Denso's Plug for the first time. IU 27 A, not IU 27's polarity, is unipolar. Iridium plugs had never been put in MONSTER I'm looking forward to it but startup ability and dandruff rise are listed.View Detail
It exchanged for the iridium of the denso from pure NGK. a form is completely different first -- ~ -- Why is different like this? it is wonderful. Although engine oil and an air filter are exchanged simultaneously, a response is sharp too! If it exchanges from an authentic positive one, it will be an iridium plugs too!! It is a five stars!View Detail
It exchanged for iridium power at about 3000 km after purchase with the new car. Since WR is an injection, there is no change about engine startability. There is no change to the extent that power up and improvement in fuel consumption are also astonished. although it did not expect that the engine performance would rise only by one plug changing since it was a motorcycle of the one cylinder, of course -- an axel -- attaching -- it is thought that it became good. With consumable goods, since it is moreover a one cylinder, I hear that it ends with one and it uses, being convinced.View Detail
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