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Thread: 250R Duncan Pipe vs. ESR

  1. 12-11-2005, 07:14 PM #1
    machwon
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    250R Duncan Pipe vs. ESR

    1988 250r (257cc) Duncan type 46 pipe vs. an ESR 5 pipe.
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  2. 12-12-2005, 04:03 AM #2
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    Mobile Dyno
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    NIce! That ESR pulls alot more on top than the Fatboy. Did you do A/F on these tests?
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  3. 12-12-2005, 04:55 PM #3
    machwon
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    No I didn't do any A/F.
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  4. 12-15-2005, 05:53 PM #4
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    wilkin250r
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    What is the "type 46". I only see a type 6, midrange, Eliminator, and hi-rev on their website.
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  5. 12-15-2005, 07:27 PM #5
    machwon
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    It's an old hand made pipe, back from 1991. The replacement for this pipe was the eliminator as they couldn't get the manufacturer to make enough.
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  6. 12-16-2005, 09:48 AM #6
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    wilkin250r
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    Originally posted by machwon
    The replacement for this pipe was the eliminator
    Well $h!t, I'm running the eliminator. Looks like I'll be switching pipes.
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  7. 01-19-2006, 03:43 PM #7
    atc86r
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    I saw a video of some tuning with a a/f gizmo. had yellow green and red light bar to tell if the mixture was on. anyone know what that was? Sorry to jump into thread but have been wondering who made it.
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  8. 01-24-2006, 01:47 PM #8
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    wilkin250r
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    Originally posted by atc86r
    I saw a video of some tuning with a a/f gizmo. had yellow green and red light bar to tell if the mixture was on. anyone know what that was? Sorry to jump into thread but have been wondering who made it.
    Sounds like http://www.jet4power.com
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  9. 01-25-2006, 09:15 PM #9
    khj
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    does anyone know what O2 % the jet 4 power calls max. power ?
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  10. 01-30-2006, 04:53 PM #10
    atc86r
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    yep thats it . Thanks wilken
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