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Def ATARI ! haha. Some of these items are being fabricated in small shops around Thailand so be cautious. This API and other similar "non branded" perfomance parts are coming out of a place called AKUNAR in Prachinburi, Thailand about 1.5hrs outside of Bangkok. This shop is very good. Great communication and quality components. Do your research before buying on fLebay ;)

Now regarding the actual (piggyback) fuel controller it is a general box that has been wired/soldered/heatshrinked to fit the MSX connectors. They do work but will need to be dyno tested to see actual results. Someone in the US with a dyno PLEASE !?
 

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Def ATARI ! haha. These items are being fabricated in small shops around Thailand so be cautious. This API and other similar "non branded" perfomance parts are coming out of a place called AKUNAR in Prachinburi, Thailand about 1.5hrs outside of Bangkok. This shop is very good. Great communication and quality components. Do your research before buying on fLebay ;)
...
Which shop are you talking about? You seem to have contradicted your own statement there.
 

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I got that. Which shop is very good with great communication and quality components?
The one I originally mentioned. Sorry for the confusion.

Def ATARI ! haha. Some of these items are being fabricated in small shops around Thailand so be cautious. This API and other similar "non branded" perfomance parts are coming out of a place called AKUNAR in Prachinburi, Thailand about 1.5hrs outside of Bangkok. This shop is very good. Great communication and quality components. Do your research before buying on fLebay ;)
 

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These are dirt cheap in Thailand, I have friends in Korat. In fact OEM Honda MSX parts are dirt cheap USD wise, which is why I inquired to a popular vendor on this forum about their high prices on OEM parts and was ignored.
 

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Well think yourself lucky - your USA prices are around a third of the UK prices for OEM parts

I priced the heat shield on the exaust in UK rough number was $60 - Thai $7 (rough numbers)

Airbox and pipe - USA $25 UK $80


So realise how well of you are in USA!!
 

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Install the Yuminashi controller and the other one which looks the same on the same bike, make sure that all settings are the same, look to the result at your AFR ratio and how well your engine pick's up, or how equal both are, and then write a report over here.
We wish all people good luck who don't want to use the Yuminashi controller in combination with the 31mm throttle body, we hope you'r a big fan of black smoke in the low RPM zone and lean in the high load zone then ;-)
 

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Install the Yuminashi controller and the other one which looks the same on the same bike, make sure that all settings are the same, look to the result at your AFR ratio and how well your engine pick's up, or how equal both are, and then write a report over here.
We wish all people good luck who don't want to use the Yuminashi controller in combination with the 31mm throttle body, we hope you'r a big fan of black smoke in the low RPM zone and lean in the high load zone then ;-)

So Mr Yuminashi - I take it your controller is not the same at the Apitech ones? Have you tried the Apitech ones?

It would be nice if you could actually provide more information on your products - because there is little information out there.

I still do not see information on the CAM or this Fuel Controller anywhere.

It would be nice to have some info, before and after Dyno graphs of your products and different set ups. - It would seem you have done much of this - so why not share the information - so that everyone gets a warm feeling about your products?

I have the 150 Light Bore Kit, Light Bore Injector and Valve Springs fitted (still waiting on the CAM) - and have just recieved the Apitec controller (not yet fitted) - because I could not get the one your showing - and was planning to take it for a Dyno session to tune it in.

The kit as is - with the above set up - and the K&N R1100 and Yoshimura exhaust runs really well - just concerned as others have said it may be running weak at the top end - so I purchased the fuel controller to allow some adjustment as there is no data out there for your parts.

Many Thanks
 

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Yes, please show us proof, not challenge your potential customers to hook up an AF Meter. It's your job to show people your products outperform the competition if you want to sell them. I'm also wondering when these parts you claim are available will actually ship. So far all I have heard is "soon" for the last 4 months. I am sure Roman is not happy about having to give refunds. It's really annoying when you talk about how great these product are when they a not even available to purchase yet. The Apitec controller is the new one that we can actually purchase, so people are buying them and the longer you wait the less controllers you will sell. When power commander releases theirs you can pretty much forget about selling many more of these units.
 

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Install the Yuminashi controller and the other one which looks the same on the same bike, make sure that all settings are the same, look to the result at your AFR ratio and how well your engine pick's up, or how equal both are, and then write a report over here.
We wish all people good luck who don't want to use the Yuminashi controller in combination with the 31mm throttle body, we hope you'r a big fan of black smoke in the low RPM zone and lean in the high load zone then ;-)
I'm a big fan of companies who supply the products they "sell" and who can test their own product to provide real results such as dyno runs, afr as well as true GPS top speeds
 

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Yes, please show us proof, not challenge your potential customers to hook up an AF Meter. It's your job to show people your products outperform the competition if you want to sell them. I'm also wondering when these parts you claim are available will actually ship. So far all I have heard is "soon" for the last 4 months. I am sure Roman is not happy about having to give refunds. It's really annoying when you talk about how great these product are when they a not even available to purchase yet. The Apitec controller is the new one that we can actually purchase, so people are buying them and the longer you wait the less controllers you will sell. When power commander releases theirs you can pretty much forget about selling many more of these units.
Well, we have introduced the controller about 3 months ago at least, they are in the 150 Essential Sets which are on stock in the UK at OORacing (see picture), and the separate units are on stock in Japan and in Thailand at Madmax Japan and Madmax Bangkok.
Now RZ Racing have also made an order for the controllers and we will ship them out next week to him.

If a certain part isn't on stock at one dealer, then try an other dealer.
Please notice that we don't force our dealers to buy a new product once we release it.

Yuminashi 150 Essentials Set MSX125 GROM125.jpg

RZ Racing have also ordered the 150 Essential Sets and the 31mm PGM-FI throttle body set now with light bore manifold set to install on the standard heads, so these will also be on stock at RZ Racing next week.

If you want to install this 31mm throttle body, then you can't use the Apitec controller because your engine will be to rich in the low RPM range (black smoke), and very lean in the high RPM range.

This is a picture from the 31mm plug&play throttle body for MSX125 / GROM125:
The set comes complete with wire loom to connect the TP sensor and the IAT sensor to your wire harness...

Yuminashi 31mm throttle body EU MSX125 (jpeg).jpg
 

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Well, we have introduced the controller about 3 months ago at least, they are in the 150 Essential Sets which are on stock in the UK at OORacing (see picture), and the separate units are on stock in Japan and in Thailand at Madmax Japan and Madmax Bangkok.
Now RZ Racing have also made an order for the controllers and we will ship them out next week to him.

If a certain part isn't on stock at one dealer, then try an other dealer.
Please notice that we don't force our dealers to buy a new product once we release it.

View attachment 4768

RZ Racing have also ordered the 150 Essential Sets and the 31mm PGM-FI throttle body set now with light bore manifold set to install on the standard heads, so these will also be on stock at RZ Racing next week.

If you want to install this 31mm throttle body, then you can't use the Apitec controller because your engine will be to rich in the low RPM range (black smoke), and very lean in the high RPM range.

This is a picture from the 31mm plug&play throttle body for MSX125 / GROM125:
The set comes complete with wire loom to connect the TP sensor and the IAT sensor to your wire harness...

View attachment 4767
How about for those of us who already bought your Light Bore Kit, Light Bore Injector, CAM and Springs - do we need to use the Yuminashi Fuel Controller?

Is there an issue if we use the Api tech Controller? - Or don't we need a controller?

Do we now need to purchase the 31mm TB and the Yuminashi Controller - or is the original set up sold still good / safe to use without causing issues?

How much extra can be gained changing from the Original Light Bore Set up with Light Bore Injector and Standard throttle body to the New set up - in Your Essentials Kit or with the 31mm TB and the Controller?


Does the 31mm Kit and Harness shown above work with the European MSX125 that has the extra Air Idle Valve?


Do you have any numbers / Dyno Graphs etc of all the different set ups??
 

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If you want to install this 31mm throttle body, then you can't use the Apitec controller because your engine will be to rich in the low RPM range (black smoke), and very lean in the high RPM range.
Isnt the point of the controller to TUNE the new parts? So the apitech isn't tuned for such a large tb, it's still the identical unit that has a yumi sticker on it
 
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