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  1. OPmini

    Newbie needs help with unfinished project

    you're putting too much power through that little 30 series. You need a 40 series
  2. OPmini

    Brand new clutch fried after first run? Why, oh why?

    had the same issue it was the gearing
  3. OPmini

    2021 - OPmini's full suspension 420 ripper

    Im getting better at TIG! also Ill be getting those parts machined in the next month so stay tuned!
  4. OPmini

    A slippery subject - oil weight

    I just use 10-w30. Run the conventional for break-in. Run the full synthetic after break-in. I hope this doesnt turn into a screaming match like every other oil thread smh.
  5. OPmini

    Top speed battle, Kart or Bike?

    I'm biased in favor of mini bikes, so take this with a giant grain of salt. If you built a low-down, narrow framed bike out of aluminum with body panels in the right place you could become very light and aerodynamic. Combine that with a small 250 or 125 two-stroke and you have a fast bike! You...
  6. OPmini

    2021 dui diy gokart

    wait... you're using an actual door hinge??? Pictures please lol
  7. OPmini

    2021 - OPmini's full suspension 420 ripper

    Just picked up this badboy yesterday. Brand new everlast pro tig 255ext with an air-cooled and water-cooled torch, also came with a pedal, cart, and a full big tank of argon. I traded it for my old '92 XR600R with only 1 hour on the top end! These are my first ever tig welds on steel and...
  8. OPmini

    Tricked Out Radio Flyer

    I'd swap out that k&n filter for an oiled uni filter, those k&n filters are garbage.
  9. OPmini

    Predator 212 Stage 1 & Comet 30 Series TC "engine brake"

    yup, clean and reassemble, maybe try new springs. But dont worry engine braking on 4 strokes doesnt hurt em one bit!
  10. OPmini

    Anyone know how to make these faster? (Intek 900 series)

    off topic but.... those are some fugly welds, I guess you watched whistilin diesel's welding tutorial. lol
  11. OPmini

    2021 - OPmini's full suspension 420 ripper

    Talked to the machinist today he said its about 10 hours worth of work and hes chargin me $60/hr... plus Ill need about $400 in some engine parts and a tube notcher. Will have to wait until I have some disposable income lol. But until then im going to add some big cooling fins to the engine with...
  12. OPmini

    2021 - OPmini's full suspension 420 ripper

    I dropped the parts off for machining the other day hopefully he will be able to get this done soon! I will also be getting a pretty fancy TIG welder next week so I will have fancy looking welds!
  13. OPmini

    Predator 212cc and Tav2

    The torque converter may not sit perfectly flush with the engine and thats ok. If its really bothering you, just shim the converter out a 1/4 inch. Pictures would be helpful.
  14. OPmini

    Predator 212 Help!

    the exhaust valve has the lash cap on non hemis
  15. OPmini

    2021 - OPmini's full suspension 420 ripper

    I made a crappy video going over some basic points of the project and how the suspension works: Here are some pictures of the swing arm / fork.
  16. OPmini

    2021 - OPmini's full suspension 420 ripper

    I wish lol, the frame is just a proof-of-concept the real one will be solid steel.
  17. OPmini

    2021 - OPmini's full suspension 420 ripper

    Just finished with a pvc mock-up of the frame, tommorow I will add a swingarm and fork to the mock-up.
  18. OPmini

    2021 - OPmini's full suspension 420 ripper

    sorry for the upside down sketch lol i couldnt figure out how to flip it :bannana:
  19. OPmini

    2021 - OPmini's full suspension 420 ripper

    Ok here is my 2021 build off log. Im completely scraping this coleman, the frame has been shot to crap (it has snapped/ cracked in 8 different places). So I am scrapping the seat, engine, and tires. I am going to make a new HD frame out of all the steel tubing, flat steel, barstock, and square...
  20. OPmini

    Predator 212 Help!

    specifically what is the issue? its not starting up?
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