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Thread: Efi?

  1. #1
    Senior Member GOF's Avatar
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    Dec 2018
    Buffalo, NY


    Came across this.
    Fuel injection would be cool. But $800?
    Think I'll be keeping the carb.
    Badgerflorida and Sthrnromr like this.
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  2. #2
    Senior Member assquatch20's Avatar
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    Jul 2010
    That's more expensive than when I looked into it for a project a few years back. Truth is you could piece this together with parts from other bikes but it's still kinda expensive, especially if you have to resort to aftermarket controllers. I think it was discussed on the forum to try the VanVan's system. I'd think an XT250 might be a decent donor as well but I could be wrong. Intake manifold and airbox boot sizes are likely all wrong but you could cobble something together there. The big hangup I'd imagine is supplying the necessary power to run the bike, just not sure if it would be up to the task or how to work around that. I'd think if you use a kickstart model you'd need something like the modern dirtbikes use to tell the EFI you're about to kick it over. Not to mention you're gonna need a fuel pump.

    Honestly it'd be easier to pack an entire spare carburetor. Most practical is usually to just get familiar with the carb you're using and carry some jets and maybe a few other spare bits to combat clogs, leaks, and altitude changes. I know that's not the fun solution but it's the pragmatic approach for most peoples' situation. That said it would still be nice to have. Then you could have the carb as a backup in case it goes south and be prepared for anything.
    Badgerflorida likes this.

  3. #3
    Senior Member Badgerflorida's Avatar
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    Jun 2017
    Milwaukee, WI
    Has anyone ever done or seen a fat tire XT250? Just seems to me that would be easier. I’m guessing the rear swingarm and jack shaft would be the biggest challenge.
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  5. #4
    Senior Member Fred's Avatar
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    Dec 2011
    Turtle Wrangling the Sierras
    Welding chunks of a cut up TW frame plus swing arm and adding a PlacerLode output shaft extension onto a XT250 to make an EFI XTW seems a lot easier than shoe horning an XT's EFI package in and de-worming all the fuel mapping/ air flow and fuel delivery issues into a TW.
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