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Thread: ESE's works engine tuner

  1. #33421
    Join Date
    3rd February 2004 - 08:11
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    1982 Suzuki GS1100GK, 2008 KLR650
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    Wallaceville, Upper hutt
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    4,310

    Has this been mentioned here before?

    http://www.2t-racelab.com/2012/02/kawasaki-x-09.html Neat looking, unique engine configuration but in the end not fast enough
    it's not a bad thing till you throw a KLR into the mix.
    those cheap ass bitches can do anything with ductape.
    (PostalDave on ADVrider)

  2. #33422
    Join Date
    22nd November 2013 - 16:32
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    STRIKE trike & KTM300 EXC TPI
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    Perth, Western Australia
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    Here’s a pic of a TM 100 cc reed kart engine with piston & cyl removed. Direct drive, air cooled and used for sprint kart racing.

    Click image for larger version. 

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    Someone has put a lot of time into the bottom end, blending out the cases and, interestingly, radiussed the inside edge of the crank webs. Not sure if this might be of any benefit, but could/does offer the following:

    1. Increases crank case volume
    2. Lightens the crank and reduces its flywheel effect (2nd moment of mass). The opposite of what has been done elsewhere.
    3. Reduced the Cd of gas flow into and out of the crank cavity, particularly as this is a vertical reed engine.
    4. Perhaps improves the lateral flow out of the crank cavity towards the transfer entries
    5. Adds remote volume, at the bottom of the case cavity, maybe making the transfer of this extra volume less accessible.

    Anyone seen this and would it be advantageous in certain applications? I do know there are a shitload of other variables involved, that need to be taken into account. I also appreciate that there are no simple universal answers for 2 strokes.
    “Plagiarism is copying an idea from someone. Research is copying an idea from many"

  3. #33423
    Join Date
    18th May 2007 - 20:23
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    RG50 and 76 Suzuki GP125 Buckets
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    Auckland
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    Quote Originally Posted by Grumph View Post
    I'd still advise caution.
    Thanks for the heads up.

  4. #33424
    Join Date
    18th March 2012 - 08:35
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    Homebuilt chassi, Kawasaki 212cc
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    Sweden
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    Another question:

    Is there some way to remove nicasil without machining?

    Rgds

  5. #33425
    Join Date
    20th January 2010 - 14:41
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    husaberg
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    The Wild Wild West
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    Quote Originally Posted by SwePatrick View Post
    Another question:

    Is there some way to remove nicasil without machining?

    Rgds
    I thought it gets stripped with nitric acid?
    Yow ling has done it.
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  6. #33426
    Join Date
    8th February 2007 - 20:42
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    TZ400
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    tAURANGA
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    3,131
    Ken , here are some thoughts on the TM100 kart mods.
    The crank radiusing probably has more positive effect on the intake Cd as alot of the flow from the vertical reed orientation is directed straight into that area.
    In a 100cc kart engine , the reduction in inertia would have more positive effect on acceleration , than the negative effects of the in cycle speed variation reducing transfer STA , as its
    easy to get sufficient areas with the low bmep produced.
    This type of mod was done many years ago on many factory tuned 100cc reed engines I have seen.
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

  7. #33427
    Join Date
    12th March 2010 - 16:56
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    TT500 F9 Kawasaki EFI
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    Hamilton New Zealand
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    Ok, Im going to ask here, who has a set of late modle YZ 125 cases laying around? So I might measure them up. No asking questions, ok. You can have them back when Im finished.

  8. #33428
    Join Date
    15th August 2011 - 12:25
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    CBR125TF
    Location
    New Plymouth
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    18
    Stinger question:
    Due to packaging and the location of my muffler (under seat) my stinger is ending up longer than desired.
    Would it help keep things in order if I step it back up by a tube size or two after the designed stinger length?

  9. #33429
    Join Date
    25th March 2004 - 17:22
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    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
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    17,357
    Research posts on nozels at baffle end and make the Stinger bigger.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  10. #33430
    Join Date
    15th August 2011 - 12:25
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    CBR125TF
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    New Plymouth
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    Thanks for the search direction

    I’ve been reading this thread for a couple of weeks now but haven’t even cracked page 100 yet!

  11. #33431
    Join Date
    18th May 2007 - 20:23
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    RG50 and 76 Suzuki GP125 Buckets
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    Auckland
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    .
    nozzle site:https://www.kiwibiker.co.nz/forums/s...s-engine-tuner

    Use the google "site:" search term to find what you need. Cut and paste the search line above to find the posts on the ESE thread that talk about stinger nozzles.

    Click image for larger version. 

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  12. #33432
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    20th January 2010 - 14:41
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    Quote Originally Posted by TZ350 View Post
    .
    nozzle site:https://www.kiwibiker.co.nz/forums/s...s-engine-tuner

    Use the google "site:" search term to find what you need. Cut and paste the search line above to find the posts on the ESE thread that talk about stinger nozzles.

    Click image for larger version. 

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    I posted these the other day in another thread.
    https://www.kiwibiker.co.nz/forums/s...post1131099423

    https://www.kiwibiker.co.nz/forums/s...post1129954861

    https://www.kiwibiker.co.nz/forums/s...post1129955411

    https://www.kiwibiker.co.nz/forums/s...post1130089030

    https://www.kiwibiker.co.nz/forums/s...post1130209099
    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  13. #33433
    Join Date
    13th September 2009 - 03:15
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    all of em
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    Oklahoma USA
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    4
    One thing I see in Ken's picture of the TM 100 is the big end bearing will be as cool and well lubricated as possible, not a weak link but ready for a hard life

  14. #33434
    Join Date
    20th January 2010 - 14:41
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    husaberg
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    Just me?........I find that intake very organic in shape.
    Click image for larger version. 

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    Quote Originally Posted by Katman View Post
    I reminder distinctly .




    Kinky is using a feather. Perverted is using the whole chicken

  15. #33435
    Join Date
    8th February 2007 - 20:42
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    TZ400
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    tAURANGA
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    Absolutely not just you.Anyway its not a tree its a bush.
    Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.

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