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Thread: Hyosung GT250R mods on a budget

  1. #76
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    21st October 2009 - 12:16
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    ok, I'll give 91 a shot, I generally try to run 98. I'm only filling up like $5 bucks at a time at the moment, cus I'm still trying to mod the air filter to fit over the top of the carbs and make it more weather friendly. (Lifting off a full tank every time isn't fun; that and I think my fuel cap isn't air/petrol tight)

  2. #77
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    5th February 2008 - 13:07
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    Quote Originally Posted by wanpo View Post
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    Lifting off a full tank every time isn't fun; that and I think my fuel cap isn't air/petrol tight
    It isn't supposed to be airtight - it has to allow the tank pressure to equalise or the engine will run lean and eventually cut out. There is actually a fuel cap mod to unsure this happens properly.

    You do realise there's an automatic (engine vacuum operated) fuel tap on the tank? Just pull the hoses off the tank and let a few teaspoons of fuel run out, and then it stops flowing. Step away from the bike for 1-2 minutes while the fuel evaporates off the engine area. Consider having a fire bucket on hand at least.

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

  3. #78
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    21st October 2009 - 12:16
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    yeah I heard it had an automatic vacuum seal, but in practice.... had to plug up the fuel line with metal rod cus it didn't stop flowing and I couldn't turn the tank upside down, cus the fuel would come out of the cap, so now I'm just putting small amounts of fuel in until I no longer have to work on it.

  4. #79
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    5th February 2008 - 13:07
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    There's something wrong with the vacuum tap then. Not that it will affect normal operation of your bike.

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

  5. #80
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    3rd March 2010 - 05:37
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    06 hyobag GT250R
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    The Mod...

    Thanks to all the great advize from you all here, I have done the following.
    1. Cycleworks performance muffler
    2. Air box mod, became K&N filter
    3. CDI Mod, allready done
    4. Up 2 jet sizes (F=97.5 >R=100)

    Special thanks to TrippleZee Cycles, Kaiweka Suzuki, Cycleworks and KiwiBiker Forums.

    I had a few problems getting the correct jet numbers for ordering,
    FYI: Carbs are 'BDS 26' Jets are Mi-N 102.604 / 100 where 100= Jet size
    "UBIQUE"

  6. #81
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    5th February 2008 - 13:07
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    Nice!

    Now to mod those chickenstrips!

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

  7. #82
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    18th December 2008 - 18:47
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    Quote Originally Posted by DangerousBastard View Post
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    Nice!

    Now to mod those chickenstrips!

    Steve
    Haha that should have been the first mod before any performance upgrades
    Quote Originally Posted by nodrog View Post
    you dont get 180+ hp out of 998cc by being nice to trees.

  8. #83
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    Quote Originally Posted by Hiflyer View Post
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    Haha that should have been the first mod before any performance upgrades
    Agreed. You can gain an extra 20 hp on a 250 by learning to ride it.
    Quote Originally Posted by Trudes View Post
    Repeat after me, "FXRs suck balls. FXRs suck balls."

  9. #84
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    3rd March 2010 - 05:37
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    Chicken strips???

    So where do I learn to ride a 250 superbike lol... Looks good in my garage :P
    "UBIQUE"

  10. #85
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    3rd March 2010 - 05:37
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    Right........... chickenstrips lol. So how far do you push 2 week old Shinko's?
    "UBIQUE"

  11. #86
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    5th February 2008 - 13:07
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    Quote Originally Posted by sapperj View Post
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    how far do you push 2 week old Shinko's?
    Properly warmed up, on smooth dry surfaces - as far as you like.

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

  12. #87
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    Quote Originally Posted by DangerousBastard View Post
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    Properly warmed up, on smooth dry surfaces - as far as you like.

    Steve
    Or you could get some Battlax bt 45's theyre much better than shinkos,

    although on my old bike, the shinkos had smaller chicken strips, but I could never seem to wear them off on the BT45's for some reason?

    EDIT: Shinko's are fine don't get me wrong, but there are better tyres out there
    Quote Originally Posted by nodrog View Post
    you dont get 180+ hp out of 998cc by being nice to trees.

  13. #88
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    5th February 2008 - 13:07
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    I've seen heavily abused shinkos on a GT250R with no strips, ay weaver.

    Mind you, the bike had been through its' share of fences, and looked fairly abused as well, so ya roll ya dice and ya pays ya money!

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

  14. #89
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    The thing is with crap tyres, they wont give any sign you are close to the limit of grip, they will just let go..
    Quote Originally Posted by Trudes View Post
    Repeat after me, "FXRs suck balls. FXRs suck balls."

  15. #90
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    Quote Originally Posted by gatch View Post
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    The thing is with crap tyres, they wont give any sign you are close to the limit of grip, they will just let go..
    Nah the shinkos skitter around like you are on ice - they are fucking scary in the wet or the grit.

    It's good training though, because you learn to relax and let the tires have their little tantrum - and lo and behold you are still upright!

    Steve
    "I am a licenced motorcycle instructor, I agree with dangerousbastard, no point in repeating what he said."
    "read what Steve says. He's right."
    "What Steve said pretty much summed it up."
    "I did axactly as you said and it worked...!!"
    "Wow, Great advise there DB."
    WTB: Hyosung bikes or going or not.

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