URAL/Dnepr 650/750cc EFI full kit

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URAL/Dnepr 650/750cc EFI full kit

Post by artsemi » Wed Nov 29, 2017 2:02 pm

Boxer EFI full kit

for more info please visit

http://m2boxer.com/index.php/us/

price 980$
EFI-kit2.jpg
ural_efi_winter.jpg
ural_efi_tb.jpg
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Last edited by artsemi on Wed Feb 07, 2018 8:57 pm, edited 1 time in total.

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Re: URAL/Dnepr 650/750cc EFI full kit

Post by gobium » Wed Nov 29, 2017 2:16 pm

:D Chad to bat phone...

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Re: URAL/Dnepr 650/750cc EFI full kit

Post by hotflash44 » Wed Nov 29, 2017 3:06 pm

wow, is it easy to adjust, no more trips to the dealer? :? :cheers:
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by mtrdrms » Wed Nov 29, 2017 6:50 pm

Wow. Love to read a review of this. Seems like a kick-a$$ mod if they actually got it sorted out.
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by El queso » Wed Nov 29, 2017 7:36 pm

There seems to be a lot of "theoretically" in the description. :| :D
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by BlueRockCrawler » Thu Nov 30, 2017 8:29 pm

hotflash44 wrote:wow, is it easy to adjust, no more trips to the dealer? :? :cheers:
I doubt it's going to be easy to adjust. It's a raw system you're going to have to program your own map into. No more trips to the dealer as you ripped out the old system and gotten somebody who knows what their doing to dyno tune it. It's a great deal more flexibility in your hands, definitely voids the warranty though :lol: . Although once someone get's a good base map, they can probably share it like they do for the power commanders. The megasquirt it's based on is a well document piece of open source hardware with good support on the web. Once people way smarter than I get this and smooth it out, I'd be interested. :cheers:
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by GregAus » Thu Nov 30, 2017 11:52 pm

Considering a normal Megasquirt MS2Extra assembled ECU costs US$470 by itself (and you still have to make up the cables and source components), this would have to be viewed as a bargain for anyone thinking of converting from carbs to EFI. The only slight modification for US market bikes would be a slight filing of the throttle body stud holes due to the different spacing of domestic market carbs and the carb adaptors used by CSMI and IMWA. Very clever of them to incorporate timing and the ECU in one unit.

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Re: URAL/Dnepr 650/750cc EFI full kit

Post by deanw1968 » Fri Dec 01, 2017 12:10 am

GregAus wrote:Considering a normal Megasquirt MS2Extra assembled ECU costs US$470 by itself (and you still have to make up the cables and source components), this would have to be viewed as a bargain for anyone thinking of converting from carbs to EFI. The only slight modification for US market bikes would be a slight filing of the throttle body stud holes due to the different spacing of domestic market carbs and the carb adaptors used by CSMI and IMWA. Very clever of them to incorporate timing and the ECU in one unit.

I agree, It is a nice package. I don't speak the language but I know what the parts are that they show. From the videos they have on their site, it looks like they have a decent tune. I emailed them earlier today, They are in Belarus. I get the impression they are still getting things together, right now the only payment system is bank transfer but they are working on it. I assume the initial poster is the seller so he may provide more info.
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by artsemi » Fri Dec 01, 2017 7:31 am

Hello!If you have any questions you can ask it here.

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Re: URAL/Dnepr 650/750cc EFI full kit

Post by Snakeoil » Sat Dec 02, 2017 11:36 am

I am not a Luddite and like the improvements that come with new tech. But I struggle with why one would want to change a caruretted engine to FI if the engine will never achieve any significant performance gains due to other limitations. For engines that used poor quality carbs, I would think that modern carbs would make more sense.

To me, the beauty of older Urals is their simplicity. A FI mod seems to work against that.

I know, sometimes it is done just because you can. I get that. But I don't see that being a significant mkt.. A mod like this is usually a means to an end. Is there an objective to a FI conversion?
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by Eric N » Sat Dec 02, 2017 1:00 pm

Snakeoil wrote:I am not a Luddite and like the improvements that come with new tech. But I struggle with why one would want to change a caruretted engine to FI if the engine will never achieve any significant performance gains due to other limitations. For engines that used poor quality carbs, I would think that modern carbs would make more sense.

To me, the beauty of older Urals is their simplicity. A FI mod seems to work against that.

I know, sometimes it is done just because you can. I get that. But I don't see that being a significant mkt.. A mod like this is usually a means to an end. Is there an objective to a FI conversion?
My 650 is sensitive to altitude. If I ride from Eastern Colorado up to the top of Pikes Peakor Mt Evans, I'll have to stop and rejet 3-4 times if I want to reach the summit.

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Re: URAL/Dnepr 650/750cc EFI full kit

Post by artsemi » Sat Dec 02, 2017 2:45 pm

Snakeoil wrote:I am not a Luddite and like the improvements that come with new tech. But I struggle with why one would want to change a caruretted engine to FI if the engine will never achieve any significant performance gains due to other limitations. For engines that used poor quality carbs, I would think that modern carbs would make more sense.

To me, the beauty of older Urals is their simplicity. A FI mod seems to work against that.

I know, sometimes it is done just because you can. I get that. But I don't see that being a significant mkt.. A mod like this is usually a means to an end. Is there an objective to a FI conversion?
Quality carburettors certainly improve the situation. But changing carburettors to others you don’t have convince that the motor works correctly in all modes. It will work a little on a lean mix when you need to be on richer or on the rich when it could be lean. You need to select the jets. The work of your motor will depend on the air temperature, atmospheric pressure, the temperature of the engine itself. Idling RPM will be insufficient on a cold engine and large on warmed up. I think this list can be continued ... In view of the above, on all modern vehicles installing EFI.

If the motorcycle serves as a museum exhibit, carburettors are certainly the best solution.

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Re: URAL/Dnepr 650/750cc EFI full kit

Post by BlueRockCrawler » Sat Dec 02, 2017 5:12 pm

^ Define performance. You probably won't get any higher HP or torque, but performance is likely to be increased for to the reasons stated above. Jetting a carb is always going to be a compromise.
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Re: URAL/Dnepr 650/750cc EFI full kit

Post by eastbloc » Sat Dec 02, 2017 7:15 pm

My carbed 650 runs so much sweeter than my FI 750. I would need a damn good reason to mess with it.


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Re: URAL/Dnepr 650/750cc EFI full kit

Post by Eric N » Sat Dec 02, 2017 7:21 pm

It's sad when someone is offering an innovative product, not a common things for Urals, and the peanut galley can do nothing but complain.

If you don't want to buy the EFI, don't.

What do you gain from complaining about what the poster is selling?
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