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Pinned So what have you done to your bike today?

Discussion in 'The Pub' started by kiffsta, Nov 3, 2013.

  1. kiffsta

    kiffsta Senior Member

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    Sold my $100 cruiser last week , so I needed a new bike , here is my new 92 zxr250c

    51381D8B-65A1-4796-9792-9EF8AAF161FB.jpeg
     
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  2. kiffsta

    kiffsta Senior Member

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    They say good welds should look like a row of coins on their side , this guy just threw the whole bag of coins in

    the joys of buying used bikes , 2011 cbr250r

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    Last edited: Jun 11, 2020
  3. jmw76

    jmw76 Well-Known Member

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    Wow, what a pristine welding job. Give the man a prize!!!!!
     
  4. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Booger welding at its finest
     
  5. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    That looks like they has the polarity wrong to me, nice to see that they tidied it up with the grinder
     
  6. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    Looks more like a $99 Aldi stick welder and somebody who should never weld again... I have seen Bird crap laid in a better run than that.
     
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  7. ShaneP

    ShaneP Well-Known Member

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    I've done that sort of welding, trying to patch rust holes in thin wall. You burn a bigger hole, so a weld 10,000 tacks is required. Or could replace it...
     
  8. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    change of pace on the chook chaser :cool:


    chook chaser.jpg
     
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  9. kiffsta

    kiffsta Senior Member

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    FA40891B-885F-4DDD-A0E4-9ADC2E760173.jpeg
     
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  10. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    FZR250R 3LN3 Fuel Tap.jpg



    20200616_170331.jpg 20200616_170809.jpg
     
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  11. Andych

    Andych Moderator Staff Member Premium Member Contributing Member Dirty Wheel Club

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    Very nice... now you need to get your plating solution out and re-plate the front cover :)
     
  12. kiffsta

    kiffsta Senior Member

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    Picked up an abandoned mc22 project which is heading home with me.

    just need some fairings and it will be back on the road , runs really well

    98DA10E8-945F-4CEF-AACE-FD6E9B1F5A9E.jpeg
     
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  13. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Swap you for a running GSXR250 :p
     
  14. kiffsta

    kiffsta Senior Member

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    Why ?
    Just scored a set of fairings off one of my customers for $200 , will have to sort out the tank colour

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    Last edited: Jun 16, 2020
  15. ShaneP

    ShaneP Well-Known Member

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  16. James Mclaren

    James Mclaren Active Member Contributing Member

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    I have a set of fairings if your interested
     
  17. kiffsta

    kiffsta Senior Member

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    4E2122EA-3600-4F97-8426-B80EFD320500.jpeg 3B408223-AB9E-4B9C-B74C-84FB3E4D75D7.jpeg 2C81EBC4-BB49-4727-8D10-FC4AC868E3FA.jpeg 07AB851E-580B-41F0-AF7C-124EAC496CCA.jpeg
    Why ?


    Spent a bit of time sorting her out today, carbs cleaned , replaced a faulty rear chain adjuster , fitted new chain , fitted fairings she rides really well.

    I won’t taker her home , I already have one , anyone what to buy an aus delivered mc22
     
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  18. Gen

    Gen Well-Known Member

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    Day 3 of trying to remove a cbr 250 MC19 cylinder liner, it still won't budge :headbang:
    I seems they were "cast in" while the upper crankcase was poured, with no visible "alloy ends, cast iron begins" on the bottom, I made a sort of boring bar to cut the over hanging alloy to enable access with a machined 6mm steel shouldered plug, cooked the top block 1/2 in the Kookaburra oven @ 400F for 1/2 hr, no movement, again, even with a few wallops with an attitude changer, just in case there was some alloy left under the shouldered plug.
    Looks like it's time to cut up block #3 (with good std bores)
     
  19. ShaneP

    ShaneP Well-Known Member

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    Weld it? Weld lines in the liner, the shrinkage might free it.
     
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  20. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    Another option might be heat the entire case then put dry ice pellets into the cylinders to try and create a larger temperature difference, or a combination with the welding and then heating followed by the dry ice pellets

    I believe they liner may be similar in external surface to the ones pictured in this document on page 29 if they're encapsulated at the time of casting

    https://cdn2.ms-motorservice.com/fi...itioning-of-Aluminium-Engine-Blocks_51708.pdf
     
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