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  1. 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...
  2. G

    ZS155 and Zongshen service manuals

    Hi all, Zongshen promised me 3 months ago they would send a service manual to suit a ZS155 engine. Does anyone have one? Why are they soo hard to get? Surely they make one or are they just decades behind like the Japs were many moons ago? Any help would be much appreciated.
  3. N

    new DHZ DPro 160, Z160Ho, Stripped 2nd gear,

    Hi gents, first off awesome forum. I've learnt a lot and I've managed to set up my dpro 160 from reading all the info on here and for that, thank you. I've had my dpro for about a week now and it's been running perfect up until yesterday. Had some mates over with varying levels of riding...
  4. P

    Help with 350 Quad

    Hi All, I have purchased a 350cc racing quad with yep... electrical issues. the previous owner decided to "Try" fix it and has cut most if not all wires and ripped majority out completely as well. I'll try to attach a pic ( new one) apparently its an Atomik brand ? but cannot find anything...
  5. S

    Which stickers?

    Hi there! I've recently bought a cheapo pit bike at auction for my son and am going through the usual things to fix before he can get out there and try it out (not working kick start turned out to be a broken gearbox shaft- DOH!) Anyway, any ideas what it is and more to the point which...
  6. my67xr

    Daytona / Lifan 150 Adjustable Outer Rotor Stator conversion to Z155Ho, Z160Ho etc

    i thought i'd make a thread for anyone wanting to convert their Ignition's to the Daytona / Lifan 150 Adjustable Outer Rotor set up on Zongshens etc this is the basic Outer Rotor kit to suit a Daytona 150 / 190 or Lifan 150 that you'll need to do the conversion. or you can buy the more...
  7. T

    YX 150, hole in head ?

    Hi I recently bought an YX150 engine and...There is a small hole near intake manifold. Can anyone explain what it? I'm puzzled?
  8. my67xr

    Testing your pit bikes' electrics, Stator Magneto, Source coil, Pulse coil, regulator / rectifier

    i thought i'd make up a thread with some pictures of a few common Stators and list the Ohms readings if anyone needs to check theirs. i'll add some other stators when i get a chance next, and some ignition coils too Lifan 125 type stator and flywheel. the black coil to the left is the Source...
  9. S

    The best bargain yet !! Z160HO PitPro !

    So I've been scoping out the pitbike sites for a while. Decided a few people would be around home todays so I put up that I was after a new motor, something decent. Some guy messaged me said he had a 160yx fully running, all gears, he has a big bike now and wants to get ride of it as his lad...
  10. LEO DPRO 037

    155z top end rebuild

    My bikes been blowing heaps of smoke and by a process of elimination ive put it down to piston rings. Is it possible to change to a 165 big bore kit without changing the head? is this a good or bad idea? Ive spent days and hours reading tutorials on miniriders.com and it seems too easy to...
  11. H

    Pitpro 125 struggling after new stator plate! Hellp!!

    Hey guys, So my chain flew off on my lifan 125 and snapped the pulse sensor off. So I bought a new stator plate. It seemed to be exactly the same except the sensor was a tiny bit closer to the flywheel and I had to grind about half a mil off the 'nib' of flywheel so it wouldn't hit when it...
  12. T

    What type of stator does a 155 engine use?

    Do they use irk, ork, or a regular stator? I ask this because I was on pitbikeclub's website and I asked this question. They said that I can put a 155cc stator on 125cc engine to give my bike better throttle response.
  13. T

    Are there such things as a performance stator?

    Can you replace a stock bike with a new stator and because of that new stator it has better throttle response/acceleration? Like are there "performance" stators and flywheels? and I dont mean and ORK or IRK.
  14. my67xr

    Eliminating side play in your shift drum ZS155 shown, but should work on most horizontal engines

    http://www.youtube.com/watch?v=ILvFDhWWdFE
  15. GenuineThumpy

    Performance Magneto/Stator

    Hi guys New to the forum, have a problem with my genuine thumpstar engine, i recently replaced the stock magneto with one of those performance magnetos off ebay, but i cannot for the life of me get spark. ive replaced the coil, spark plug, and try every possible combination of wiring here...
  16. Anthonyburris

    Lifan stator

    Bought an aftermarket stator/flywheel and all on eBay (link below). Swapped it into my lifan 110cc no problem, accept for the wiring... Has anyone done such a swap? Do I need to buy a new harness all together? Does anyone have a diagram for this stator, or know what colors match up? I've always...
  17. xLOCOx

    Stator/Magneto Q ?

    hi there just realised i have the wrong stator, what i want to do is run lights off my yx 160 but there is no 'yellow' wires only black with yellow and that goes to the coil So....i have the regulator and im wondering if i can hard wire the regulator to the coil? if not ive seen a magneto on dhz...
  18. Carlts

    Does a GPX Head fit on a yx160

    Hey guys, I am looking at buying a yx160 for my bro's build, and also looking at the possibilities of rebuilding it in the future with the spares I have. So in effect my question is: Will a GPX 155z/160ho Head, Cylinder & Piston, fit on a yx160 bottom end? If not, what would I have...
  19. Chickenwingz

    Chickenwingz's question thread

    Bike Silencer How can i silence my pitster pro so that it doesn't annoy the neighbors?
  20. W

    CDI Stator install

    I recently bought the IRK kit off ebay that everyone has to try and freshin up my 70cc bike. I installed it on my chinese crf 70. The bike ran flawlessly before i put this kit on. I installed the components and ran it off my stock harness into my aftermarket rev box (didnt use the red one that...
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