Was the installation difficult?
A complete instruction manual is included, so if you have enough skill to replace the plug cord, you should be able to install it.
How was your experience with it?
I think it is remarkable with regard to startup and Response.
The OEMIgniter was in bad shape & already discontinued, so I think it is worth taking the plunge and replacing it with the Uotani if you have such a problem, although it is a bit expensive.























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Delivery Information
If manufacturer have in stock, ships around 23rd Jul. 2025
Product detail
Compatible with TPS (if not, automatic optimal control)
[Kit Contents]
・SPII High Power Ignition Coil with bracket, bolt and spacer for each model
・SPII control unit. Exclusive for each model, with double-sided adhesive sheet, with bracket depending on model
・Plug cord joint set: for 2P, 1P
・Wire harness set: Included only for required models.
・Detailed instructions: How to install, how to use and other detailed instructions
・Other: with necessary parts depending on the model
[Outline, Features]
○The ignition map that emphasizes the torque up of the low and middle speed and the extension of the high rotation while making the best use of the characteristic of the stock, and corresponds to the throttle position sensor.
○Powerful discharge energy by newly developed SPII high-power ignition coil, compact and lightweight despite high performance.
○The SPII high power coil generates a secondary voltage of about 40000V.(Stock is 20000-30000V).
○The SPII control unit employs a large-capacity transistor that draws out 100% of the energy of the SPII high-power coil, and a high-performance microcomputer controls the optimal energizing time and ignition timing for each revolution.
○Determination of the optimum ignition map (curve) by chassis dynamometer and actual driving.
○10-5 kinds of ignition map (curve) can be selected by switch according to the riding style and the degree of tuning.
○The rev limit can be set every 200 rpm by the switch.
○Bolt-on installation.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
MODEL PAGE LINKS
Delivery Information
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Customer Reviews
Fits:KAWASAKI ZEPHYRX ALL MODEL
Excellent
Jul 23, 2022
Fits:KAWASAKI ZEPHYRX ALL MODEL
Excellent
Jan 21, 2016
It is the 3rd use including 2 to the past different vehicle.
ZEPHYR 400 χ is both Speed ??limiter and Rev limiter, but both are canceled Speed ??Limiter is from Meter's needle point 180 point LimiterSignal is transferred from Meter to IgniterUnit Ignition and Ignition leads to Igniter Cut, but Wutani's Igniter (SP2Control Unit) Does not accept any signal at all.
Because it is a craftwork of the back of Meter Poshetc. I have bought Speed ??limiter cut etc. Will be unnecessary.
For Rev limit, ZEPHYR 400 χ is 12500 and Limiter is applied. Since OEMTachometer has errors, it is required to be at 12500 even if it is different in Meter reading. If it is also made of watani here, you can arbitrarily increase it by 200 rpm (It is also possible to set without Limit) Even though we consider such added value, the price is conscientious.
Life also installed vehicles in the past for more than five years, but it is running active without any problems.
If I speak about experiences attached to 3 cars, I feel that it may not be very bad in NORMAL which was properly arranged for severe. Depends on the degree of Tune.
Startability is NORMAL and I think that there is not much difference if it is well maintained. FCR Carburetor Body, direct carburetor, Bore upetc. , If there is Machine under the condition that startup is not good, it certainly will be easier.
In terms of traveling weigh more. Also... Because I am a light weight person.
I ignore the ignition map as much as it changes 2 degrees more than NORMAL, so I think that might be there, but changing the ignition map to Large width without Carbentor's re-setting burdens the Motorcycle as well I guess it is a feeling of playing slowly again.
But when it is a two-seater ride or a long ascending slope NORMALSPECIAL Knife's Ignition Because I can feel the difference enough to experience it certainly I think that there is no doubt about the effect.
K-TRIC (Throttle position) There are various things about interlocking
Because the character string will not be included (Lol)
Fits:HONDA CBR250RR (MC22) 90-

Installed on: HONDA CBR250RR (MC22)
Excellent
Jul 28, 2022
If your like me and not sure if this is worth it for the mc22... we'll, I'm not surePros100%better idle Acceleration seems more stable, smooth, effortless.Installation isn't that's hard, this stystem is pretty much plug and play, once it's wired in, you have 2 switches to play with, one is the rpm limiter amd the other is the power band, you can under or overpower your system depending what you want to do. Personally I have a heavily modified Japanese exrace mc22 so I know the engine can handle it. But you risk blowing the engine running it overcharged, that being said you can 100% feel the difference .I say for the money its worth it, I think the Yamamoto spec-a titanium exhaust would pair up amazing with this.
View DetailFits:HONDA CB400FOUR 74-, HONDA CB350FOUR 72-, HONDA CB550FOUR 71- Need to change to coil bracket 90-102, HONDA CB500 71- Need to change to coil bracket 90-102
Very Good
Jul 27, 2022
Harness was also exchanged together with
I feel much less anxious when I'm on the road.
Fits:KAWASAKI GPZ900R NINJA [Ninja] Reimport(A1-A11)
Excellent
May 16, 2022
I have been using the same Full powerKit for more than 13 years, but recently it started to lose fire while running, so I decided to replace it. It is basically the same, but the method of connecting the plug cord to the coil had been changed and the version had been upgraded. After replacing the plug cord, I was surprised to see the Torque up when I took it for a test ride. It seemed to have deteriorated over many years of use. Ignition system is very important.
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