motorized bicycle

  1. M

    Carby Engine will run but won’t idle

    I have just made my first build and my bike will run but won’t idle
  2. C

    motor bike won't spark

    hello, my bike won't start. as far as i can see, the bike will not spark. i checked the CGI and the magneto coil and the wires. only thing i can see is that the thing wont spark and i cant figure out how to fix it.
  3. M

    Ebay Motorized bicycle with 2 stroke 80cc motor

    Motorized bicycle with 2 stroke 80cc motor On Ebay
  4. O

    Plz Help. Need to make my bike faster and better

    I built my bike about a month or 2 ago. Here's basically my setup: Bike: Roadmaster Granite Peak from walmart Kit: Flying horse silver angle fire ($130) Carb: Hp Sprocket: 36t (hub mounted) Max speed:33mph on flat road I am using pretty much all that came with the engine kit except for the carb...
  5. clvck

    Motorized Fun!

  6. T

    Reed valve with a boost bottle will it work???

    So I been trying to make my bike go faster but no luck. I have a reed valve, type R spark plug, stage one cdi, is straight pipe, high performance intake & head, 36t sprocket but my bike does not pass over 23 mph what am I doing wrong? Will a boost bottle work with a reed valve? Any help will be...
  7. B

    Bikeberry Builds Complete Motorized Bike Giveaway

    Welcome to BikeBerry Builds! The show where we take new or old bicycles and overhaul them with the latest engine kits and performance parts. But that's not it, don't miss out on this awesome opportunity to take home your very own Micargi Pantera Motorized Bike Build because at the end of the...
  8. J

    Motorize bike backfires after turning in choke

    Just rebuilt my MB and have about 3 hours on it at low rpms and 20:1 Rp oil and premium pump gas. I turned on my motorized bikes choke and it stalled out with a backfire. Turned off choke and tryed starting it again and all it does is backfire and won’t start. I’ve pulled apart the cylinder...
  9. 212cc imperial cycles build

    212cc imperial cycles build

    New build custom frame, custom fender headlight, fat tire mags, 4” nobby tires, shortened clubman bars, and a leather springer saddle. Planning to put a 212cc in it. Check out my parts at https://imperialcyclessj.bigcartel.com/
  10. 212cc imperial cycles build

    212cc imperial cycles build

    New build custom frame, custom fender headlight, fat tire mags, 4” nobby tires, shortened clubman bars, and a leather springer saddle. Planning to put a 212cc in it. Check out my parts at https://imperialcyclessj.bigcartel.com/
  11. 212cc imperial cycles build

    212cc imperial cycles build

    New build custom frame, custom fender headlight, fat tire mags, 4” nobby tires, shortened clubman bars, and a leather springer saddle. Planning to put a 212cc in it. Check out my parts at https://imperialcyclessj.bigcartel.com/
  12. Imperial x peek cycles mb build

    Imperial x peek cycles mb build

    Designed imperial cycles frame and Custom hand made by peek cycles check out my store at - https://imperialcyclessj.bigcartel.com/
  13. N

    Is my bike motorizable

    I have carraro crp690 and i wonder if it is motorizable. https://carrarobisiklet.com/dag-bisikletleri/carraro-crp-690-erkek-dag-27-v-hd-26/ here the link of bike. It has hydraulic disc brake and 26 inch wheeles. Frame size is 18inch.
  14. C

    Porting Fist Time Struggles!

  15. M

    my current situation - Rebuilding My Blown GT5 Motor

  16. clvck

    I Blew my 2 Stroke Now What?

  17. J

    Missing clutch cover spring....? needed or not?

    So I've put near 2000 miles on this motor in the past. It has been sitting for about a year until this new bike build. I opened the clutch cover to grease and adjust the clutch as needed. And I noticed the spring under the clutch pad cover is missing. Now obvously, the spring is not completely...
  18. T

    Any suggestions on a reputable site to buy a four stroke motorized bicycle kit

    So I've just already gone through a second blown two stroke motor and I'm tired of the headaches they keep causing me so I'm trying to find a four stroke motor kit for my bicycle but I want to get it from a good site. Any suggestions would be much appreciated. I found one I kinda like on kings...
  19. T

    Help please motor won't start

    I was on my way to work on my motorized bicycle and the engine just died out of nowhere. I changed the spark plug and put a brand new cdi on and still won't start. Took head off and yeah there's a little carbon buildup but no scoring. Cleaned air filter and checked to make sure there was fuel...
  20. IMG_2523

    IMG_2523

    Build from 2016. Custom frame, tank, customized leaf spring fork, Honda gx160 with electric starter, and 4" wide rims
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