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Info 2fiftycc.com Quarter Mile Hall of Fame

Discussion in 'Motorcycle Racing and Track Days' started by kiffsta, Jul 31, 2015.

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  1. kiffsta

    kiffsta Senior Member

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    2fiftycc.com Quarter Mile Log, need to see a slip or it didnt happen :thumb_ups:
    4 Stroke
    Position Time Member Bike Track
    #1 14.977 Revolver Yamaha FZR250 Willowbank


    2 Stroke
    Position Time Member Bike Track


    @Frankster
     
    • Like Like x 4
    kiffsta, Jul 31, 2015
    #1
  2. Mclaren

    Mclaren Well-Known Member Contributing Member

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    Might have to hit willowbank up next wed or week after
     
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    Mclaren, Jul 31, 2015
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  3. Damus

    Damus She is a BEAST and riding it is comparable to sex Dirty Wheel Club

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    I'll jump in on this.
    So gonna do the Hondas proud!!!
     
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    Damus, Jul 31, 2015
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  4. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    Hey Chris,

    Been AWOL for a few weeks due to work commitments. Good to see a few of the lads are having a crack at the quarter (& eight) mile. 14.97 is a good run for a 4-stroke 250. I'll try and find a time-slip that's a little quicker, post it and give the guys something to aim at. A good 2-stroke will run in the 13's.

    Cheers

    Frank
     
    Frankster, Aug 15, 2015
    #4
  5. Brizfox

    Brizfox Well-Known Member Premium Member Contributing Member

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    Jesus....pressure's on.
     
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    Brizfox, Aug 15, 2015
    #5
  6. Revolver

    Revolver Big Member Premium Member

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    First on the HOF list!:dance2:

    Woohoo!

    I know right! Now I have to defend....:oops:

    Spose id better go ahead do a major service and tune those carbs right up!

    Good call on the timeslip @kiffsta immediately dispels any mythological claims.

    On a side note I'm piece in together the footage to upload to my YT channel.
     
    Revolver, Aug 17, 2015
    #6
  7. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    Sorry Revolver, you'll have to go a little quicker now...

    Testing run from Heathcote Park raceway in Feb 2014, so ignore reaction time.

    60ft time: 2.21sec
    1/8 mile time: 9.47sec
    1/4 mile time: 14.9471
    1/4 mile speed: 89.68mph

    1989 Kawasaki ZX2R

    Ambient temperature: 29
    Barometer: 998
    Humidity: 11%

    @kiffsta
     

    Attached Files:

    • Like Like x 1
    Frankster, Aug 17, 2015
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  8. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    Kiffsta,

    You might have to have an 1/8 mile section as well for all of us guys that run on regional tracks and never get to enjoy the full 1/4 mile.

    @Linkin @Murdo @aky141

    Linkin ran well recently on his first crack at drag racing at the Gunnedah Aero Club meet.

    Reaction time: 0.421
    60FT: 2.323
    Trap speed: 118.49 KM/h
    Elapsed time: 9.779
     
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    Frankster, Aug 17, 2015
    #8
  9. Fox McScrooge

    Fox McScrooge Well-Known Member Premium Member Contributing Member

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    I reckon the hard bit would be getting the 2 strokes off the line. Must be a lot of time lost there.
     
    Fox McScrooge, Aug 17, 2015
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  10. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    Agreed. That is why I have bought a flywheel to put back on my YZ engine.
     
    Murdo, Aug 17, 2015
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  11. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    True, but they just have so much more power than a 4-stroke 250 that as soon as they get going it's all over. Ask the guys that race those CBR250RR bikes in period 6...as soon as they get on a straight the 2-strokes just eat them

    I have a feeling 2-strokes are banned from competing by ANDRA in any of their classes.
     
    Frankster, Aug 17, 2015
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  12. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    Street bike, Comp bike, Altered bike, Super twin bike, Pro stock bike and Top fuel bike do not allow two stroke engines. Two strokes ok for Modified bike and street registered classes.
    The two stroke ban came about (I was told by the technical director at ANDRA) because some blokes were using two stroke outboard engines (V6 Mercury 2.5Lt) in bikes and killing the competition, so they banned them to make it fairer competition.
    I'm happy for anybody to bring a two stroke to the Gunnedah drags.
     
    Murdo, Aug 18, 2015
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  13. Fox McScrooge

    Fox McScrooge Well-Known Member Premium Member Contributing Member

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    I think some of the nutters at the Grasstree beach drags run outboard engines in their modified bikes. May be wrong though. Definitely worth checking out one day if you have the time.
     
    Fox McScrooge, Aug 18, 2015
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  14. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    When I was selling my TZR a guy from Sydney was keen on it. He was from Europe and had raced 2-strokes all his life. I'm NOT a 2-stroke guy, so take this with a grain of salt, but he said he could get 100hp out of 250cc 2-stroke...true or not, it's impossible to compete with something that powerful.
     
    Frankster, Aug 18, 2015
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  15. Fox McScrooge

    Fox McScrooge Well-Known Member Premium Member Contributing Member

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    Not sure about that with a TZR. Even the GP250 bikes were only putting out a tad over 100hp. If he said mid 70s I'd be willing to believe him but you end up with a bike that is pretty unreliable for the street.
     
    Fox McScrooge, Aug 18, 2015
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  16. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    Fox, my TZR was stock (http://2fiftycc.com/index.php?showcase/1986-yamaha-tzr250.99/).

    The potential buyer used to drag race 2-strokes in Europe back in the days when they did burnouts against a burnout board. He raced 250, 350 and 500cc 2-strokes. We had a long chat and if I remember correctly, he said the bikes wouldn't idle, you basically started it; kept blipping the throttle and then off you went. I expect WOT works fine for something that highly tuned. I wish I kept his mobile number.
     
    Frankster, Aug 18, 2015
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  17. Brizfox

    Brizfox Well-Known Member Premium Member Contributing Member

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    They dont idle probably because of the type of fuel they use. TZR 100 hp .......I would say thats a bit of a shaggy dog story. A TZ 250 will put out 85-88 ish and thats a late model race bike.
     
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    Brizfox, Aug 18, 2015
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  18. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    Guys, forget the TZR. The bloke raced in the 70's and 80's. RD's and stuff like that. This isn't him, but a quick check on YT...



     
    Frankster, Aug 18, 2015
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  19. Revolver

    Revolver Big Member Premium Member

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    Video of my runs are up. It's part of a motovlog episode of mine.

     
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    Revolver, Aug 19, 2015
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  20. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    Awesome stuff mate! You can tell its playing up a little.
     
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    Th3_Huntsman, Aug 19, 2015
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