How to: EFI to carb

Discussion in 'EFI/carb' started by Pinittowinit, Nov 7, 2011.

  1. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Well I figured I would make this thread so others don't have to go threw the madness I did. First off I did this on my smr where I needed lights. It is much simpler without lights. Here is a list of parts needed.
    1. 07 or older wiring harness, cdi, volt reg, kill switch, stator flywheel and cover
    2. 07 or older carb or a carb from a post 08 carbed bike. Tc or txc.
    3. 08 or newer carbed bike fuel tank
    4. 08 or newer carbed bike air box boot and intake boot.
    5. An EFI flywheel puller yes they are different
    6. 07 or older start stop switch, or you can use the mx style but will need two.

    the efi coil will not work. the reason you will need a cover is the efi stator uses 3 bolts to mount the stator to the cover. the carbed bikes use 2. you can use a stator/flywheel/cover from any year carbed bike, but i used a 07 because i wasnt sure if the newer carbed bikes stator had a different connector. also you dont need to buy a another tank. you can leave the fuel pump assembly in there and drill the hole for the petcock. if you look on the bottom of the tank there is a mark where it goes from the mold. personally i got another tank for simplicity reasons and the efi tank and pump assembly will easily pay for another tank.
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    Tech 3 likes this.
  2. Tech 3 Husqvarna
    AA Class

    Location:
    Ohio
    Husqvarna Motorcycle:
    2010 SMR510
    Nice work
    let us know how it comes out.
  3. mekanik Husqvarna
    AA Class

    Location:
    Kootenays, Canada
    Husqvarna Motorcycle:
    TE630
    WHY ??:confused:
    DG Harv Serv likes this.
  4. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Because the EFI sucks, my 06 510 smr ran PERFECT! And there is good reason the 450 and 530 smrr cones carbed. Carbed gets better mpg, runs smoother, less shit to break, I don't need a laptop and dyno to tune it,
  5. Tech 3 Husqvarna
    AA Class

    Location:
    Ohio
    Husqvarna Motorcycle:
    2010 SMR510
    Have you got it running yet
    look foward to a ride report
  6. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    The remaining two parts come in Friday. Waiting on a pre 08 start stop switch. They changed the connector in 08. It now plugs in behind the headlight. The older style plugs in by the coil via two bullet connectors. Also waiting on a stator cover. The EFI stator attaches to the cover via 3 bolts instead of the 2 bolts on non EFI Stators. Also the threads on the flywheel are different. The crank is the same but they changed the OD where the puller mounts. It is slightly larger. Almost done!!
  7. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Ordered this girl up to see how perfect I am. Lol
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  8. DG Harv Serv Husqvarna
    AA Class

    Location:
    UK
    " I dont need a laptop and dyno to tune it " !

    LOL !
  9. Tech 3 Husqvarna
    AA Class

    Location:
    Ohio
    Husqvarna Motorcycle:
    2010 SMR510
    That be the one they are great
  10. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Why would I need a dyno or laptop with the wideband?? All it does is show you your current A/F. So if it's lean or rich at a certain throttle position I can adjust accordingly.
  11. mekanik Husqvarna
    AA Class

    Location:
    Kootenays, Canada
    Husqvarna Motorcycle:
    TE630
    Isn't this a fuel injection part? Gotta love those electronics!
    DG Harv Serv likes this.
  12. DG Harv Serv Husqvarna
    AA Class

    Location:
    UK
    Sense of humour ! Ironic you dont want EFI , Laptops , Dynos etc....

    But want a "digital assistant" to help set up the carb
  13. Tech 3 Husqvarna
    AA Class

    Location:
    Ohio
    Husqvarna Motorcycle:
    2010 SMR510
    Racers have used a wide band set up for years to dial in
    their carbs
    In reality if you don't have a wide band O2 set up for your
    EFI to set your co1 co2 co3 you are just guessing

    Pinittowinit keep up the good work you go BIG DOG
    put a power now and a power now plus and a adjustable
    leak jet in that 41 fcr and you will blast.
  14. Tech 3 Husqvarna
    AA Class

    Location:
    Ohio
    Husqvarna Motorcycle:
    2010 SMR510
    Pinittowinit
    check out this little gismo we use to set up some of the bikes
    we work on it is A on bike dyno and the LC-1 teoughter
  15. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Thanks for the video. Not to tooth own horn but I'm a great carb tuner. But Like you said without a wideband your guessing. Every litte bit helps with performance and fuel economy. Lije the video shows you cam tune close by ear but see how much the A/f changes without a change in the engine tuning. I'll post a video on her first start Tuesday. Then I will post a video with the wideband and let's see how close I am by my tuning abilitys.
  16. Tech 3 Husqvarna
    AA Class

    Location:
    Ohio
    Husqvarna Motorcycle:
    2010 SMR510
    I'am a old carb man my self
    I am sure you will nail it
    cant wait to hear your report
  17. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    I forgot to add that I gave that new carb some Tokyo mods love before she went in. Tokyo mods fuel screw, throttle spring, and accelerator spring. And pre jetted it according to the jetting bible for huskies. Perfect setup in my old 06 with option 2.
    http://www.thumpertalk.com/forum/arc.../t-336681.html
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  18. ioneater Husqvarna
    AA Class

    Location:
    NW Texas
    Husqvarna Motorcycle:
    2010 TXC 250
    Other Motorcycles:
    08 Sprint
    How much does it cost to go "old school" with that bike?
  19. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Depends on where you get your parts. If you bought all new parts.,, hell I font even want to think about that. I got most of my parts hooked up, or traded, or given to me. And I'm in this for the cost of a PCv and a auto tune
  20. Pinittowinit Husqvarna
    AA Class

    Location:
    Kailua Hawaii
    Full report tonight. Last of the parts are out for delivery!!