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Old January 22nd, 2018, 10:55 PM   #1
randycastell
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Booster Plug Anyone?

Greetings everyone: Has anyone on the forum had experience with the product.

Link below:

https://www.ebay.com/itm/BoosterPlug...72.m2749.l2649

I've read the EFI booklet authored by the engineer who created the product and I've become intrigued enough to purchase one. It arrived in 2 days from Denmark and it's very impressively fabricated and packaged and documented. Some really decent bling included. Got a sweet personal e-mail from the designer as well. All together quite impressive IMHO.

Going to change my oil and install the unit tomorrow. I'll share my experience. Thank you everyone for your thoughts and opinions. :-)
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Old January 22nd, 2018, 11:41 PM   #2
DannoXYZ
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Hmm, for that price, I'd get the PC.
Or build my own resistor mod: http://www.autospeed.com/cms/article.html?&A=112726
Using a pot is better as you can fine-tune mixture-adjustment by turning knob.
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Old January 23rd, 2018, 07:26 AM   #3
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I don't think anything here was invented (new technology), just designed.
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Old January 23rd, 2018, 09:00 AM   #4
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Having some actual data for analysis would really help. Such as AFR from dyno-runs before and after installing mods. Measureable and repeatable objective data would help others with their upgrades too.

Without knowing actual AFR, how would you know which way to adjust mixtures?
Anyone remember that '60s hot-rod saying?
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Old January 25th, 2018, 12:09 PM   #5
randycastell
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Greetings everyone and thank you for the bandwidth.

For the record my EX300 retains the stock exhaust and stock air filter and no engine mods, only the Powerbooster. Easy install BTW: I removed the seats, trim pieces below the seat and lower cowl pieces only. I removed the bolts and screws that hold the middle fairing to the frame, to the tank trim pieces and to the tank. I removed the tank retaining bolts and the bolts retaining the frame brace at that location. This procedure allowed me to lift the rear of the tank and gain access to the existing air temp sensor and plug without removing the inner fairing and middle fairings.

Upon riding afterwards, I find the product does what it ascribes to do: make a good bike ride and behave even better. If you read the documentation carefully, you'll understand the plug purports to enrich low throttle conditions with 6% more fuel so the throttle whilst at low speed, low rpm is less snatchy. The designer claims it may make upshifting smoother, and letting off the throttle less abrupt as well. Again with that little bit richer mix kicking in and making fueling a little more fluid no pun intended. It does all of this nicely and there are no more little pops that would occasionally occur on decel. And from a standstill, the acceleration is a tad brisker. Kudos!

Very fine resolution to EFI's inherent rough spots due to lean mixture and excellent finesse of a wonderful engine. IMHO, It adds a ton of function for a wee bit of money. Great value.

Good read: the booklet that's included on EFI.

Thank you all again for you time and attention. :-)
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Old January 25th, 2018, 12:13 PM   #6
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Interesting, how does it know what RPM the engine's at?
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Old January 25th, 2018, 02:43 PM   #7
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I would like to hear what it does to your fuel usage. My stock 250 typically gets around 65 MPG with my daughter riding it.
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Old January 25th, 2018, 02:58 PM   #8
randycastell
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Quote:
Originally Posted by Triple Jim View Post
I would like to hear what it does to your fuel usage. My stock 250 typically gets around 65 MPG with my daughter riding it.
Different bike, different rider, but I believe there will be little change in my MPG due to the limited nature of the device's function. Anecdotal accounts seem to support this thought as does the documentation that is on the website and in the kit. I was getting 60 mpg.
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Old January 25th, 2018, 03:11 PM   #9
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Before and after dyno runs would be interesting to see.

I'm guessing the designer smoothed-out and corrected some of the mixture issue in the stock map, which will be an improvement with a stock bike.

If there are any mods done, a PC might be the way to go in order to make custom corrections.
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Old January 29th, 2018, 07:14 PM   #10
randycastell
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My impression after riding all weekend is that the device vastly improves the performance of the bike commuting and in the twisties. Not HP gain of course, but in the fueling: better acceleration, smoother decel, better upshifts. From what I gather (after reading the documentation) the device relies on the complex nature of the EFI which acts as both a closed loop system and also as an open loop system switching, in essence, between the two when the oxygen sensor reading (which is then a function of steady rpm) by the ECU overrides the temp sensor input to the ECU. Its all well explained on the website even. IMHO it has made the Ninja 300 so much better to ride.

Thank you all so much for giving me the opportunity to share my experience and my impressions.
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