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What's the fastest motor to use for a custom bikes?

Discussion in 'XJ Technical Chat' started by workingonit, Jul 11, 2011.

  1. workingonit

    workingonit Member

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    I know the 550 has a chain drive which would make it easy. Can you convert any of shaft motors to chain drive? Looking for the best (quickest) motor for possible project ideas.
     
    workingonit, Jul 11, 2011
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  2. Orange-n-Black

    Orange-n-Black Well-Known Member

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    A couple of us on the site discussed turning a shafty to a chain or belt drive. It is possible, but would involve a lot of mods. It would be easier to use a chain drive bike. I've thought about putting a R1 motor in my 700 frame, but I'd have to mod the swing arm. But I think it would be worth the hassle. :twisted:
     
    Orange-n-Black, Jul 11, 2011
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  3. wizard

    wizard Active Member

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    What's your end goal, workingonit, some sort of competition machine?
     
    wizard, Jul 11, 2011
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  4. waldo

    waldo Member

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    Man How about an 1100 engine stuffed in there I know I saw somewhere where someone converted one of those to a chain drive
     
    waldo, Jul 11, 2011
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  5. Metal_Bob

    Metal_Bob Active Member

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    There is info and posts about which frames can accept larger xj motors with little to no hassle/mods.

    Your actual inquiry is to vague.

    Are you making a drag bike or think you can make an 80s heavy frame into a modern sportbike?

    How fast do you really need to go with an xj frame/motor? Buy a ninja?

    Beyond that trim the excess weight and listen to the motor/trans experts.
     
    Metal_Bob, Jul 11, 2011
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  6. pygmy_goat

    pygmy_goat Member

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    Yeah, there's really no point, sorry to say. I think if you get a 700 or above you'll go plenty fast (not that the other bikes are slow by any means) for any kind of custom cruising you need to do. If you're going for a drag bike or something like that, you're better off getting an R1 or a hayabusa or something built for it.

    If you like 80s bikes how about an fz700 or something like that?

    Ps just to think about---the xj700 is 550 lbs, 85 hp and the yzf-r1 is like 380 lbs 175 hp.
     
    pygmy_goat, Jul 11, 2011
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  7. Militant_Buddhist

    Militant_Buddhist Member

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    How long is a piece of string?

    I just had to.
     
    Militant_Buddhist, Jul 11, 2011
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  8. RobDrech

    RobDrech Member

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    This.
     
    RobDrech, Jul 11, 2011
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  9. day7a1

    day7a1 Member

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    day7a1, Jul 11, 2011
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  10. day7a1

    day7a1 Member

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    Oh....
    173 lbs, 715hp...and just a lil' bit bigger than our engines...

    http://en.wikipedia.org/wiki/Allison_Model_250

    General characteristics
    Type: Turboshaft
    Length: 23.2 in (58.9 cm)
    Diameter: 19 in (48.3 cm)
    Dry weight: 173 lb (78.5 kg)
    Components
    Compressor: Centrifugal
    Performance
    Maximum power output: 420 hp (310 kW) to 715 hp (533 kW)
     
    day7a1, Jul 11, 2011
    #10
  11. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    You have a chain drive 550 Maxim - you want to go as fast as financially possible??
    Then you need to search your local Craigslist for a cheap 600 ugly college student bike. Get the motor.
    Then, you need to get really serious at a machine shop and "wing-cut" the crank, add pistons and cams, all new bolts, balance ($200) add NON-CV carbs, PODS, header, and some dyno runs at $80/HR. You will be deep into some money. How fast??

    not this one

    check this out
     
    TIMEtoRIDE, Jul 11, 2011
    #11

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