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  1. Z50, CT70 and JDM Monkeybikes
    People act like a 1970s Honda mini-bike should "run like a tank for the rest of your life" but let's get real, it's an antique. I just want it to start and run in a barely-acceptable manner, and at its core it's a lawnmower engine, and the recurring issue with these simple engines tends to be...
  2. Chinese/Import Minis - General Discussion
    I was goolging and I found that the yx is a klx based motor and the lifan is a crf based motor, my question is can I use a yx head on a lifan cylinder, or can I swap the lifan head and cylinder to a yx and have no issues?(cam would be swapped). Other question is can I use a crf 150 head and...
  3. Chinese/Import Minis - General Discussion
    So my yx150, smokes a little when giving it gas, it also seems to have lost some power? Any feedback would be greatly appreciated.
  4. Introductions
    Hello, i'm a new member from brazil, i just aquired my first bike, a chinese "Shineray XY 50Q" it's a 4 stroke 50cc. I like (and have a bit of knowlege) in mechanics stuff, i'm not sure in which forum questions about this bike would fit.. I'll probably be making some questions about the...
  5. Chinese/Import Minis - General Discussion
    I have an SSR 125cc fully manual pit bike and my clutch is not disengaging all the way when i want to switch gears (such as put it into first gear). If i tighten the cable all the way and pull the clutch lever all the way in (which takes a lot of force to do). I am suspecting the guy before me...
  6. Honda Grom / MSX125
    Hey everyone, New to minis but have wrenched and rode motorcycles all of my life. I've wanted a grom for a while but can't justify the price tag (sorry, i just cant) anyways, I have searched endlessly for replicas and am considering pulling the trigger on a Boom which is short for Boom...
  7. Z50, CT70 and JDM Monkeybikes
    Hi, I have a late model Z50R and never new what engine I had. I know its not a Honda engine. Anyway I am getting really low compression, and when I squirt oil in there (wet test) I can get it to start but then it dies within 10 seconds. I'm pretty sure that means there is too much blow by...
  8. Chinese/Import Minis - General Discussion
    Exactly what the post says. I have a lifan 54x54 square bore 125 and im bored with the power already. I know t-bolt has a 143 kit for the other lifans but i dont think its for mine. Any high lift cams or anything for it??? thinking about ditching the china 22mm carb for a 24mm mikuni also a big...
  9. Chinese/Import Minis - General Discussion
    Ok guys I picked up a chinese pitbike about 4 months ago. I was told at the time it was a Baja 70, not DR70, just baja 70. TBH at the time it was irrelevent but now ive been wondering what the bike actually is. It may be an old baja dr70 but I cant find any info on it. When I got the bike it did...
  10. Chinese/Import Minis - General Discussion
    I've got 2 110cc Zongshen engines that I'm thinking about selling for parts and trying to see if it's worth the hassle. One is electric start with starter underneath. This one is definitely parts only. The other was running from the person I bought them from, but has been 6 months or longer...
  11. Chinese/Import Minis - General Discussion
    Hi guys! I'm really hoping someone can help me out here. I went to go look at a pitbike and was told it was a pitster pro. I really liked the bike ran good and everything so I bought it. Once I got home I pretty much realized it wasn't a pitster pro. All I know is it is a 110cc. No manual or...
  12. Chinese/Import Minis - General Discussion
    Hi all, Im new to the forum, and I need help with my crf50 clone engine. It is a 50cc 4 stroke fully auto. It doesn't have gears or a kickstart, so I am relying on electric start to turn it over. I kinda bypassed some of the electrical, but it gets spark and turns over. I checked for...
  13. Chinese/Import Minis - General Discussion
    Hello, I am new to pit biking (and this forum) I was looking to buy a pit bike for about $500 used off my local craigslist. I found a 125cc pit bike for $525, the owner says it is Loncin brand. It has new brakes and things like that. Now I know loncin is a Chinese knockoff brand, but would...
  14. Chinese/Import Minis - General Discussion
    I recently bought one of these from a guy. The bike is in good shape. It appears to have pretty decent quality components. It seems it is a generic china brand. Does anyone know if they were imported under another brand, maybe pirahna, pitster, thumper, SSR or something like that? 150CC Pit...
  15. Chinese/Import Minis - General Discussion
    It has the 200 dmx style motor. Are the clutch plates and springs the same as honda or where can I get some. The clut h is soft and almost out of adjustment. P.s. want some upsidedown forks that are stiffer.
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