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  1. OPmini

    40 series CVT sprocket question

    Yea i've already ran the numbers in a calc but I want to know if there are any side effects: barely any torque, belt wears faster
  2. OPmini

    40 series CVT sprocket question

    built predator 420cc
  3. OPmini

    40 series CVT sprocket question

    its a minibike built 420 34mm carb 10t front sprocket coming out of CVT 50t rear 19in tire
  4. OPmini

    Dad needs help....

    Does the carb float even work? it looks like the carb is at an angle
  5. OPmini

    Tav40 not working

    No idea, these jets should work tho: Amazon.com : OMB Warehouse Jet Kit for GX340 GX390 and Predator 420cc : Garden & Outdoor
  6. OPmini

    Dad needs help....

    I hope your not trying to start the engine with that plastic thing on the carb intake 🤦‍♂️ because that would be like:horse:
  7. OPmini

    Dad needs help....

    Once you turn it over a couple times is the spark plug wet?
  8. OPmini

    Dad needs help....

    Are you sure you have the right jets for your altitude?
  9. OPmini

    The mystery of the lost oil and compression, where did they go?!?!

    When honing what grit stone would you recommend?
  10. OPmini

    The mystery of the lost oil and compression, where did they go?!?!

    Big oof on my part lol! because I didn't hone it and ran the engine would I need to buy new rings as well or use the same ones and just rehone? I'd say ive ran it for about 4-5 hours
  11. OPmini

    The mystery of the lost oil and compression, where did they go?!?!

    nope. so I need to hone the cylinder?
  12. OPmini

    The mystery of the lost oil and compression, where did they go?!?!

    Hello all! I recently noticed that my predator 420 lost some compression and started burning oil (due to dust getting in the engine, where I ride in the desert the dirt is as fine if not finer than baby powder and I previously didn't have an oiled air filter), so I changed all the rings out for...
  13. OPmini

    Predator 212 Carb Jet Help

    sorry for the late reply, check out this carb jet calculator: https://raggedmoto.com/carburetor-jet-size-calculator/ Most of these little engines backfire from the factory but with the stock muffler you cant tell, at least that is my experience.
  14. OPmini

    Mikuni 34mm flat slide on 420cc - dies when warm

    try this carb jet calculator: https://raggedmoto.com/carburetor-jet-size-calculator/ If that doesn't work spend 30 minutes playing with your idle screw and air-fuel mix screw.
  15. OPmini

    Tav40 not working

    billet con rod billet flywheel 50lbs valve springs your also gonna need some valve grinding compound, a valve compressor, torque wrench, some taps and bolts to plug the governor hole, plastigauge, feeler gauge, and a throttle setup if you are running a stock carb. Here's a helpful video: 30Hp...
  16. OPmini

    Tav40 not working

    either one of these places: Pauls Karts ARC Racing GoPowerSports.com is your one stop shop for go-kart and mini bike parts. If you need any help with deciding what parts you want you can always call either one of the above websites.
  17. OPmini

    Tav40 not working

    You have a good chance of damaging it without the proper upgrades.
  18. OPmini

    Yes

    I just found this pic on the internet :smiley_omg:🤣
  19. OPmini

    Tav40 not working

    if you are running a stock engine or an extremely lightly modded engine like yours I don't think you would need it.
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