50cc

  1. B

    KTM 50cc engine on bicycle

    I am thinking of buying a KTM 50cc engine clone from 2005, to my bicycle. Do you know how sutainable they are? They seems to be as strong as modern trimmed moped engines, around 9hp. I would like to have an engine that is strong and sutainable. Do you know how mutch fuel they are drinking? If i...
  2. S

    my bikes

    my bikes I have been tinkering with. I have a cruiser and a 29" mountain bike which is very high and even tough to get on and im 6ft. I bought a performance pipe which wont fit I have to fabricate it I guess. also I bought a new racing carb off ebay and when I installed it it just boggs down and...
  3. K

    Ktm 50 Clutch, Exhaust and Jackshaft

    Hey guys I recently placed an order of ktm 50, so i will be getting it in a week!!!!! Cant wait!!. This is the bike i got http://www.ironhorsebikes.com/hard-tail/2012-yakuza-5-1 Some info about the bike.... 1) Engine type: single-cylinder, 2-stroke, air-cooled 2) Piston...
  4. G

    fuel and oil leak?

    My bike is leaking out fuel and it is leaking oil from the bottom of the crank case these are two separate problems. the fuel i can't tell where its coming from but its over some of the cooling fins, there's some unburnt fuel especially after i run the engine hard. its all the way around the...
  5. R

    just ordered my first motor kit, it will be here tomorrow

    So I just ordered 50cc flat head 2 stroke motor kit from BGF a few days ago to put on an old bike. I have been preparing the bike this weekend, I have all of the tools ready, I moved the front brake lever to the right side temporarily removed the rear brake's cable and handle until I can get a...
  6. C

    Engine Sprocket Problems: wont turn

    Hey, I just bought this brand new engine (RAW Silver 50cc Bicycle Engine Kit) and I have everything set on my bike right but when I the chain on and try to pedal, the sprocket on the engine wont move, therefor the whole wheel wont move and I cant pedal. Im really new to this and the kit came...
  7. Sheriff John

    Best Engine Vendors?

    I am looking for a place with good quality, fast, and around $180 50cc engines that can be shipped to california. I got one from Zone8 but the plating chipped away pretty fast, and i DID break it in correctly. I dont know which of the sponsors to choose, there are way to many! Thanks guys, i...