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  1. J

    140cc head on a 150cc engine

    Hey everyone! I recently bought a second hand pitster pro lxr with a lifan 150cc oil cooled engine for cheap with some issues. Originally it was burning a lot of oil and would constantly puff out a cloud of blue smoke from the exhaust while running. My first thought was that it could be bad...
  2. Luke918273

    Exhaust help

    Hey guys just wanting some knowledge on what pipe I should be looking for my pit bike, also I pulled off the muffler tonight and found out it has an adapter and wondering if I can take it out of the muffler or if it’s welded in before I destroy it. Pictures below of my bike.
  3. Dawson5567

    Pwk 28 tuning for zs 155???? Need help!!!

    Hi I have a stock zongshen 155 that I am trying to tune a pwk 28 for. I was using a genuine mikuni vm 26 carb I’d bought off tbolt USA but the throttle response left something to be desired, so I thought I’d try a flat slide since this carb was given to me for free. Pretty sure the carb came off...
  4. Jadon

    Should I change my oil filter?

    I recently purchased a used Chinese 70cc Pit Bike. The oil is quite dirty and I would like to change it. Should I also change/clean the oil filter? I believe this is a Lifan 70cc engine which means I have to remove the cover on the right-side of the engine to access it from what I understand. A...
  5. A

    Atomik Riders Australia HELP

    I have the Atomik Reign Bigfoot 160cc. I want to know how best to stiffen the forks as when I jump the bike not only are they too soft but the also bottom out. Also what mods or upgrades have other riders used on these bikes? Cheers
  6. A

    Motovert RX Engine swap

    Hi everyone, I have a 2008 Motovert RX 125 with the original Jialing and it’s on it’s last legs soo it’s swap time.. I am looking at doing maybe the ZS 190 or something similar, but have a few questions before going ahead. What are the requirements to do the transplant, any cutting, fab work...
  7. Carlts

    SOLD: Pitster Pro LXR 160cc - Near New

    ITEM AND CONDITION: Pitster Pro LXR (Nitro Circus Edition) - 4 hours with Brand New GPX 160ho - 0 hours PRICE, PAYMENT METHODS AND TERMS OF SALE: $1800 REASON FOR SELLING: I've held on to this bike for a while but was only ridden twice! I'm moving overseas in a month and now it has...
  8. W

    What do you guys thinK?

  9. T

    Are There any good places to ride a pit bike in Perth?

    Hi i just rebuilt my Chinese pit bike ground up and am looking for a good place to rip. as anyone got any suggestions?
  10. Q


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  11. R

    WTB: QLD Pitster Pro LXR roller or complete 160

    hey I'm looking for a pitster pro LXR roller in good condition or a complete running bike, i am also after a second swingarm/linkage and shock for my other LXR Looking for asap Cash Waiting
  12. M

    Piranha yx160

    I just got this piranha 160 slowly putting money in it freshening it up I have know second gear so it kinda sucks but it's still a monster just put fresh plastics on it tonight and new throttle housing if any one could tell me more about it that would be sweet this is my first pit bike
  13. Carlts

    FS: PSTO 160cc Build

    ITEM AND CONDITION: PSTO 160cc Build PRICE, PAYMENT METHODS AND TERMS OF SALE: <span style="text-decoration: line-through;">$800</span> $700 REASON FOR SELLING: Bro is getting a big bike EXTRA INFO: PSTO build that was started and never finished. Started with a core used PSTO frame and...
  14. L

    Need yx160cc engine

    Anyone know a store here in the us that sells new yx 160 engines. If it comes with the wiring harness even better. I search up online all I could find where from the uk, or they were out of stock.
  15. L

    yx160 engine for sale in the us?

    Anyone know a store here in the us that sells new yx 160 engines. If it comes with the wiring harness even better. I search up online all I could find where from the uk, or they were out of stock.
  16. L

    Engines for pit bike (140cc+)

    Hey guys. Chain broke on my bike, then it broke the entire engine casing. It currently has a lifan 125cc, I was looking to installing a big bore kit. I thought well this is a good chance to just buy an engine, since repairing the damage plus the big bore kit would probably cost around the same...
  17. L

    Looking for big bore kit

    Hello guys I got my 125cc, it's not that fast only gets to 65 mph. I heard of people putting big bore kits on this 125s, turning them into 150 or 160 and yeah you get the idea. I want to get a kit, but don't know where to find them. Any help would be great
  18. G

    50cc to 110cc conversion, help needed!

    Hi, i have a 50cc pit bike and i want to get more power, can i put a 110cc cylinder on without changing the crankshaft or the clutch? i have another engine but i want gears and a manual clutch.
  19. my67xr

    Another pit bike, 138cc, alloy frame, 12/10

    So i picked up another bike the other day, It's a 138cc, allloy framed (faded anodised red), CRF50 style pitty, and seems to be a pretty solidly built bike. Came with Fastace AS02 forks, and I Shock rear? Alloy rims, Kenda Millsville front tyre, and a performance inner rotor kit (debatable)...
  20. N

    Mini riders in perth

    Any 50 riders around perth that are keen for a squirt or know any good spots?