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EFI options
by: dakotafig - Jan 29, 2014 13:25:08 GMT -5
Post by dakotafig on Jan 29, 2014 13:25:08 GMT -5
I use my scoot as my daily driver in every bit of weather except for snow/ice on the road. I'm getting tired of the constant "out of adjustment" carb. In Kansas, it could be 15°F one day and 70°F the next day, and the carbs just don't like that. Plus, I finally get one dialed in pretty good and then 500 miles later it goes bonkers........ Anyway, I don't really want this to be an EFI versus carb thread, I was wondering if anyone has opinions on the different sources of fuel injection bolt on's out there that would be applicable to a GY6. I know there is a write up for an ecotrons setup on this board, and it looked like that worked very well. However that system is $400, which is almost as much as I paid for the scoot in the first place. So, here is the one's I know about and the costs associated. Let me know if you have any experience with these good or bad, or if you have any suggestions for ones I might have missed. $299 MBE Motorsports$399 ecotronsother custom solution, maybe mega-squirt ect.......
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EFI options
by: skuttadawg - Jan 29, 2014 20:23:09 GMT -5
Post by skuttadawg on Jan 29, 2014 20:23:09 GMT -5
I thought MBE sold Ecotrons EFI kits . Yes it will cost a mint to get the hardware and take some time installing and may have to tinker with it some to get it right . My CFMoto Echarm came with Ducatti EFI and is my first small engine to have it . I must say it is better than a carb in every way , MPG , performance , and no having to adjust the idle or jetting . My scoot responses faster at any speed compared to all other 150s I have ridden . EFI is simple as it mostly a fuel pump , and nozzle and an ECU , compared to a carb with jets , needle and float . From 17 degrees to just over 100 it starts up first time and has the same idle speed regardless of the outside or engine temp . EFI is less likely to have problems beside the electric fuel pump going out , but if the ECU does it may be an expensive repair . You may want to to a stator upgrade to help power the pump or always use a trickle charger when you park it as I read a member does this .
I like how Ecotrons has great support from what I heard and a tune able ECU where mine is proprietary . I read where the Ecotrons you have set or not have a rev limit and adjust the timing , and have optional software but man it is expensive or at the the 2T stuff is . My scooter dealer has a Harley Road King with EFI he found a freeware that he used to tweak it to run a lil richer than factory . Both Ducatti dealers would not touch mine as I asked if they could raise the rev limit up 1,000 RPMS . I found some piggy back modules on Amazon but could not find any info in the scooter forums or elsewhere of one using a kit like that on a scooter like mine . I hope this summer to make enough doing outside work this spring and summer to buy the Ecotrons EFI kit with optional secondary injector for my 2T hot rod .
I would do more research as only a few of us had done this and it does cost too much to get and not be able to make it work . I think it will be worth the money and time in the long run . Let us know if you get a kit and how it goes .
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EFI options
by: dakotafig - Jan 30, 2014 0:57:15 GMT -5
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Post by dakotafig on Jan 30, 2014 0:57:15 GMT -5
Thanks, for your response. I have read that in several places that ecotrons support is very good, and that is worth a lot.
When I was comparing pictures of the kits it looks like the ecotrons injects in the throttle body, has a pump that goes in the tank, and comes with an O2 sensor. It looks like the MBE injects in the intake runner, has an external pump and does not come with an O2 sensor.
Someday I hope to move up to a 250, and I would think I could take the system off and more or less transplant it to a new ride. Worst case maybe buy a bigger injector.
Am actually in the process of changing to an 11 pole stator as it is, my factory one went out. I'm waiting in the flywheel puller.
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EFI options
by: justbuggin2 - Jan 30, 2014 1:03:31 GMT -5
Post by justbuggin2 on Jan 30, 2014 1:03:31 GMT -5
I have the ecotrons kit on mine and Matt over there is great to work with I do recommend to up grade the charging system I have a write up over on Scooter Professor site under the same screen name I love the way it works
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EFI options
by: millsc - Jan 30, 2014 1:05:09 GMT -5
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Post by millsc on Jan 30, 2014 1:05:09 GMT -5
You just have to adjust the carb change jets adjust the a/f screw for weather change only takes a few minutes. I'm in Missouri same weather had to up my idle jet its been a cold winter. I can't see paying all that money for a efi on a china bike if it doesn't come on it I'll do it manually and tune it myself. Not hard to tune or work on these scoots just get in there and do it, we all start not knowing and after you keep trying and fail or succeed we gain knowledge. I thought the choke on the carb was where the spark went when I got my first scoot a few years back now I repair these these things on the side and could build one from the ground up
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Post by millsc on Jan 30, 2014 1:18:32 GMT -5
Where you at in Kansas if you need repair or upgrades bring it to me I'll put but a big bore kit on it includes carb rejetted tuned for 80 bucks labor.
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EFI options
by: dakotafig - Jan 30, 2014 1:20:22 GMT -5
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Post by dakotafig on Jan 30, 2014 1:20:22 GMT -5
Millsc, to a certain extent I agree with you, however there are situations where that doesn't work, time and reliability are more important. I live in the country and my wife and I commute together to save on gas. I work at two different offices and travel around town a fair amount during the day. So my scoot lives at one office and I go about things from there. I don't have the time to constantly adjust the carb or the will to fight it in traffic when the temperature is drastically different than it was yesterday.
I also understand at the end if the day it is still a china scoot, but as long as I change the oil, adjust the valves and do other upkeep it has really treated me fine and has been reliable. That's why I really wanted to just keep this focused in EFI options and not a carb versus issue.
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EFI options
by: dakotafig - Jan 30, 2014 1:24:17 GMT -5
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Post by dakotafig on Jan 30, 2014 1:24:17 GMT -5
Manhattan to be specific.
Thanks for the offer, I will keep that in mind depending in what I do moving forward, but I really do somewhat have my mind made up on EFI.
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Post by millsc on Jan 30, 2014 1:25:31 GMT -5
You don't have to continually adjust it just from winter to summer just once, 15 minute job.
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Post by millsc on Jan 30, 2014 1:44:50 GMT -5
I could actually run mine all year around at the winter setting just would be slightly rich in the summer. After its tuned in correctly not much adjustment if any is needed. This year I changed the idle jet for easier starts since its a colder than normal winter. But if you jet the carb right you can run all year no issue. If you decide to keep a regular carb I'll tune it free to prove my point lol. If your scoot runs that much different from season to season it was jetted wrong from the start.
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EFI options
by: tvnacman - Jan 30, 2014 13:32:28 GMT -5
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Post by tvnacman on Jan 30, 2014 13:32:28 GMT -5
I agree with Mill, its most likley lean. Is your primary problem getting it started? I use a larger than stock pilot jet. It does not start on the first try in the teens but buy the third try.
John
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EFI options
by: dakotafig - Jan 30, 2014 15:47:10 GMT -5
Post by dakotafig on Jan 30, 2014 15:47:10 GMT -5
She is actually on the rich side, 120 main jet. I have no idea what the pilot jet is as it isn't marked, and the pilot jet is probably part of my problem.
EFI would solve everything pretty much for good though. Again, I would look at it as in investment as I would keep it on any bike I had, so I suppose that helps the price not feel so bad.
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EFI options
by: tvnacman - Jan 30, 2014 17:34:34 GMT -5
Post by tvnacman on Jan 30, 2014 17:34:34 GMT -5
I have my eyes opened for a wrecked 150cc Vespa with fuel injection . The fact that it has an o2 sensor it will be adjusting the a/f mix electronically . I think Jerry did the 11pole stator conversion with parts from me .
John
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EFI options
by: JerryScript - Jan 31, 2014 0:15:19 GMT -5
Post by JerryScript on Jan 31, 2014 0:15:19 GMT -5
FYI there is a lot of work involved in getting an EFI set up on any one particular bike. You probably can move it from bike to bike, but it would definitely not be as easy as swapping out parts. Usually the EFI has to be programmed to the specific bike's setup, but of course this all depends upon the particular EFI system.
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EFI options
by: justbuggin2 - Jan 31, 2014 1:11:39 GMT -5
Post by justbuggin2 on Jan 31, 2014 1:11:39 GMT -5
the EFI system is not that hard to setup I pre-assy, the system on the dinning table then I pulled the plastics off the bike took the carb off adjusted the valves installed the throttle body and hooked all the wires up turn the key hit the starter and up and running I have been the kit comes with an O2 sensor and bung to weld in the header pipe the only issue I had was the charging system did not keep up with the demand with short trips and frequent stops that is why I say to upgrade the charging system
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