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  1. Derbi / Metrakit / NSR50R / YSR
    So I just recently picked up a 1988 ysr50 and am having a blast with it but, in my true fashion I don't want to keep it "stock". I've been doing too many engine swaps lately that I don't feel like doing another so I would like to build this engine. I've been trying to do a bunch of research to...
  2. New to PocketBikePlanet? Introduce Yourself!
    Hi all so I guess we'll start of by saying my name is Sam I live in nsw Australia. Age 30 I wanted to come on here and show off a little project. And get some feedback. It's 2 49cc cag engines joined together with a electric start running 2 magnets and 2 magnetos from a Chinese 66cc motorized...
  3. Electric Pocketbikes
    For the better part of half a year I was running my razor mx500 with a 48v 20ah lithium ion battery pack, modded stock speed controller and 36v 800w motor, until the motor went thermonuclear. I recently upgraded to a 48v 1800w brushless motor and speed controller in hopes of better reliability...
  4. Electric Pocketbikes
    Alright alright alright... it's in and functional! Mx500 with 48v 20ah lithium ion battery pack is now sporting a 48v 1800w brushless motor and speed controller! Buuuuut.... it's acting weird. I got it on high setting (tried all 3) and upon hard acceleration it almost acts like a car with a...
  5. Midbikes / Superbikes
    Hey everyone I'm new to the forms as well as pocket bikes, but have some general mechanical know how. I purchased a pretty beat up X19 off craigslist for $125.00 seemed like it was a decent purchase because I got the motor turned over the first day working on it. The seller apparently was having...
  6. 4Stroke Midbikes
    I need a rear brake for an x19 ASAP. I would like to look into an upgrade, but I just don't know what will fit. Thanks
  7. 4Stroke Midbikes
    I was interested in buying some shinko 90/90-10 front and 130/70-10 rear. I was wondering if a tubeless tire would work on the rim I have? I have read the forums, that's how I picked out the tire. I just don't want to spend $65 on something that wont work. Thanks,
  8. 4Stroke Midbikes
    I have an x19 pocket bike. I really want to get the max performance out of it before I sell it. My goal is to have cheap performance upgrades around $100, give or take. It has a performance carburetor, new fuel lines, air filter, performance spark plug, and the most expensive C.D.I for...
  9. New to PocketBikePlanet? Introduce Yourself!
    Hi, my name is KawiMC. I have had an x19 pocket bike since I was around 8 years old. I am currently 15 and still have the working machine. Because I am older and have moved on to bigger and better things (zx6r), I am planning to sell my x19. I wanted to join here to get tips on performance...
  10. General Pocketbike Discussion
    wondering if this stuff is worth buying and if it works good. like gas stabilizer, Quickshot® and so on so forth.
  11. European Pocketbikes
    OK, I am done with china bikes and on to my first European bike. really excited but for the price that the bikes are selling for im sure I wont be buying more than 1 so I want that one to be the best. looked at many different bikes (polini, DM, BZM, GRC, Blata) BUT i want to hear what you owners...
  12. General Pocketbike Discussion
    I just bought this bike and I want to make it go faster any ideas for up grades and I wanna Identify the engine
  13. Air Cooled Pocketbikes
    Hi, i've just got a pocket bike, the frames MTA-2 i think and the engines a 47cc or smaller, i'm not entirely sure, but it doesn't have the 49cc cooling fin pattern. Anyways, everything on my bike is stock, and i was wondering how i could make my bike faster as the stock speed and acceleration...
  14. New to PocketBikePlanet? Introduce Yourself!
    Hey everyone! My brother recently purchased a FS509 pocket bike. So I've decided to join the forum on his behalf. So I've started to thinking about modding it haha, has anyone ever done or know how to do HIDs on this specific model? Also any other ideas as far as mods I'm more of a performance...
  15. General Pocketbike Discussion
    Sup racers!!! Well Im new to this forum, joined not to long ago and I was spying through all the posts and threads on pocket bike upgrades and mods. But I did't find anything on MT-A4 pocket bikes. Now Im a bit of a noob when it comes to PB but i believe its a rep. of a Blata B1 am I right. Its...
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