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  1. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Made this little six-inch tank for a guy. I almost want to make one for myself and put it on my desk lol! Making these has really prompted me to become a much better tig welder, as you guys have seen from the pictures not too bad for a 16 year old huh! Unfortunately, the guy with the go kart...
  2. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Ive been in touch with Eric at OMB warehouse, he seems like a pretty cool guy. I sent him a sample tank so hopefully he likes it and buys more. Im making some 12 inchers with 1/8 npt bungs. Just sold this one on ebay. I also contacted GPS and monster scooter parts but they never responded...
  3. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Im making a new style of these gas tanks. I've streamlined the manufacturing process, and now I can make 3 tanks in the time it used to take me to make 1. On top of that they look a heck of a lot nicer since my aluminum TIG skills have increased greatly, but the price went up $20. I'm meeting...
  4. OPmini

    Pulse pump on a dirt bike engine

    Why screw with a pulse pump? just get a carb with an accelerator pump.
  5. OPmini

    2021 - OPmini's full suspension 420 ripper

    It's coming together :banana:
  6. OPmini

    2021 - OPmini's full suspension 420 ripper

    OK so I got the frame bent up with the tube bender. Will work on getting everything welded up... will send pics soon
  7. OPmini

    2021 - OPmini's full suspension 420 ripper

    If you didn't see my other thread I make aluminum gas tanks now so ill be using one of those on my bike. Here's a link: ALUMINUM GAS TANK GO KART MINI BIKE 3x8 INCH USA MADE EXTERNAL FUEL TANK | eBay
  8. OPmini

    2021 - OPmini's full suspension 420 ripper

    Well, I didn't make it last year... but I do have a sweet tube bender. All I need now is to get the engine parts and start the fabrication of the frame. I put some 3x3x1/4 angle in that thing and boy it twisted it up like it was nothing!
  9. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Ebay link to buy a tank -----> http://ebay.us/AndMfm?cmpnId=5338273189
  10. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Alright so I got the cap today. Here's the results... first pic is where it started, then it progresses to the last 3 pics which are the final product. This is how I made it: 1. cut 8in aluminum pipe 2. use hole saw and drill hole for bungs 3. remove oxide layer from parts and acetone clean 4...
  11. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    I have all the parts for the prototype, except the gas cap hopefully it will get here soon lol
  12. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Yes I'm making them myself. I can make a video about how I make them if yall want.
  13. OPmini

    Gokart / minibike gas tank manufacturing opportunity

    Hey guys, so while looking for parts for my minibike project I found that simple, small aluminum gas tanks are ridiculously expensive! So I decided I'm going to make my own line of high quality, aluminum gas tanks. They will be 100% made in the USA, I'm going to use all billet parts and very...
  14. OPmini

    Welder purchase advice?

    what is your definition of cheap? many welders cost thousands of dollars. I have an Everlast cyclone 200e for $750 its pretty good for the price but if your looking for something under $200 id recommend a harbor freight titanium welder. I would not recommend anything under 150 amps
  15. OPmini

    2021 - OPmini's full suspension 420 ripper

    so $600 later I have all of the machined parts... will weld them up and post pictures. I rode that coleman not to hard just over some small jumps maybe 2 feet but mostly just going over rocks and bumpy terrain in the desert has appeared to toast the frame. I still have the frame, only to give me...
  16. OPmini

    2021 - OPmini's full suspension 420 ripper

    Im not dead! I just lost my account password and email and I have some other things going on as well. Update: I will have the parts machined in a month or two and ill update with pictures.
  17. OPmini

    420cc Valve Lash w/ Arc billet flywheel

    did you clearance the flywheel and ignition coil correctly?
  18. OPmini

    Stuck clutch

    heat up the clutch with a blow torch and pry off with a crowbar, you can also try spraying grease in the keyway
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