problems

  1. C

    Just built bicycle doesn’t start unless gas is added into piston manually

    I have a 60cc/80cc two stroke engine with a Newley replaces spark plug and a high performance carburetor, bike only starts if fuel is added manually into the piston, only runs for 20 seconds, and when bike tries to run normally makes the sound that it’s attempting to run. When fuel is added...
  2. M

    engine revs but under load makes no power

    I was wondering if anybody here could help as i now have no idea what is wrong with my engine basically I broke the top compression ring and the engine ate it. after opening the engine i found the ring had shattered and fragments of it smashed against the head. looking at the cylinder wall it...
  3. J

    I've done everything and still no start

    I got a 2 stroke, 80cc kit a couple weeks ago and built it in a day or so but for the last 2 weeks I have been trying to start it almost everyday and I get nothing. I pedal, get some speed, ease on the throttle and pop the clutch and there is not even the faintest semblance of engine combustion...
  4. Target

    Engine Doesnt Engage Drivetrain

    Hello, just want to ask for some help. I've had numerous chain issues and the wheel locking up when the motor is running as i'm still working out the "kinks". It seems when i let the clutch go, the engine starts but doesn't move the bike anywhere when the clutch is let out at it's fullest, at...
  5. N

    Engine will not fire

    So. I have put together two of these motorized bikes. One for my friend and one for me. His bike works fine. Cheap **** motors though. Mine was a bust. I have pretty much replaced THE WHOLE DEAL with parts from thatsdax.com. I was happy with every part. I had my jeans get sucked up into my bike...
  6. J

    help me diagnose raw motors problem? bad piston?

    hey riders, I have A problem with my 66/80 cc raw motors engine, everything has been a nightmare. I bought the engine kit used in a box for 100$ and I have already put another 100$ into getting semi running on a bicycle. It wont run right at all... there is no power and when I have the engine...
  7. T

    Something wrong with clutch

    Hello, I have a Chinese generic brand 2 stroke engine kit, it is 66cc, but I have recently discovered a problem, I have been riding for months with no problem. I have seemed to notice when I'm riding my bike that, when it is rolling along with clutch disengaged (freewheeling) the bike has a...
  8. T

    Clutch problems

    I have a Chinese 66cc 2 stroke engine on my bike, lately it's clutch had been acting up. When I'm riding along and then hit the breaks I pull in the clutch lever when I pull in the clutch lever the bike seems as if it is fighting against the engine, it has a pull and let go feel to it. Does...
  9. T

    Fuel in air filter and carby problems :s

    I am a beginner when it comes to engine kits. I bought a 66cc two stroke Chinese generic brand kit, and I upgraded the carb. My old carb died on me so I bought a new one. Both of the carbs had the same problem though. The fuel ran through the carb but the air filter also got drenched in fuel...