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  1. jackbmx2010

    Help?

    hi, i am having problems getting a tdr 125 to run properly with a 26mm oval bore mikuni carb. when i slowly accelerate it just stalls and if i go full throttle it wont bog. it will just rev straight up so it is either on or off. i am not sure what the problem is. any suggestions what would be...
  2. jackbmx2010

    wiring help

    hey guys and girls, i cant get a spark out of my new bike, a fym 110. ive tryed with 2different spark plugs and 2 cdi's but still nothing. ive searched here and google but all the digrams i could find are really confusing or the colors are all diffrent. this picture is what ive got atm...
  3. jackbmx2010

    engine stud q's

    hey guys and girls. i picked up a 110 motor the other day in bits and the bottom left engine stud was in the head instead of the bottom end. is this supposed to be permantly fixed to the bottom end or is it removable, if so how do i get it back in. its a fym 110 3 speed if it helps. also the...
  4. jackbmx2010

    jack's 110 build

    Got a bunch of parts to start my build today : D. So far the fym frame, swingarm and bars have been resprayed gloss black and the tripple clamps cleaned up. New bushes in the rear shock and new headset bearings. also new swinga bolts. cheers to trent for hooking us up with most of the parts...
  5. jackbmx2010

    worth it ??

    hey guys, anyone know anything about these things ? Crusty Demon Pro50Z 110cc Pit Bike (eBay item 260715792540 end time 16-Jan-11 22:26:15 AEDST) : Cars, Bikes, Boats reckon its worth a look for a resto project ?
  6. jackbmx2010

    China 250's ?

    Aye guys, has anybody had any experience with the china 250s goin around on eBay. Sbd link 250 ect ?
  7. jackbmx2010

    random revving ???????

    hey guys, ive had this problem for a while now with my 70cc but it is getting pretty bad recently. when i rev the bike it goes but when i get off the throttle it doesnt go back to idle and the revs slowly keep building up. I have run it with the air filter off and i can see the slide is going...
  8. jackbmx2010

    Oil cooler Q's

    Hey guys, my new oil cooler arrived today and I've got a few questions. Do I need to add more oil ? And once it's installed do I just fire it up or do I have to do anything else ?
  9. jackbmx2010

    shooting flames at mid revs

    hey guys. my 70cc is playing up again. I snapped a rocker, replaced it and everything is back to normal but it wont run right. the first quarter of revs is ok and the last 2 quarters is perfect but the second quarter it splutters and sometimes shoots flames and takes a few seconds to get through...
  10. jackbmx2010

    more valve problems (sighs)

    hey guys, after setting my valve clearances perfectly yesterday from advice, i went for a test ride up my road today and after about 5 minutes my motor made a click noise and cut out. i pulled off the valve caps and the end of the arm that moves the valves had snapped : O and was sitting in the...
  11. jackbmx2010

    engine wont rev past idle ??

    hi guys, i have been tuning up my 70cc yesterday and just got it running sweet. i went to ride this morning and it starts and idles fine but it wont rev past idle. when i give it throttle it spits fuel out the carby and revs up a tiny bit if i ease the throttle very slowly but thats it. My green...
  12. jackbmx2010

    rings ?

    hey, anyone know a shop on the gold coast that can do new piston and rings for a 70cc and about how much ?
  13. jackbmx2010

    70cc still not going : (

    aye guys, my 70cc atomik still wont start. has brand new head and valves ect.. brand new carby, new lead. timing is set right from advice on previous posts and so are valve clearances. has fuel and spark but is a bit low on compression. when i kick it over it sounds like it is gonna start and...
  14. jackbmx2010

    **gearbox help needed**

    hi, my gear box on my 125 is stuck between 1st and neutral. it wont go into second and when i ride in first it slips back into neutral. my gearbox is 1 down 3 up full manual. can anyone help
  15. jackbmx2010

    Atomik 70cc timing issues

    hey, I had problems with the timing on my atomik 70cc where the air/fuel was blowing out of the carby.I set the timing correctly and also set the valve clearances correctly but the air/fuel still blows back out. I thought the flywheel may have been rotated by the previous owner as the 3 bolts...
  16. jackbmx2010

    atomik 70cc valve issues

    hey, I bought a atomik 70cc pit bike for 100 bucks but when I kick it over the air and fuel blows back out of the carby. The timing is set right but i cant figure out why it still does it.must be somthing with the valves but what ?? can anyone help me.
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