engine

GoldenMotor.com
  1. J

    Cast iron-lined cylinder available for Grubeesque 2-stroke?

    Howzitgoin' eh! Newbie here... I got 2 of these engines and a pile of spare bits for 100 bux, for a rebuild, one good engine and one scrap. The good engine was dismantled, cleaned, fiddled with, and is now reassembled and I'm tidying up the loose ends now to install it in my Sekine 26" bike...
  2. M

    bajasports 49cc

    if ne wants a baja motorsports 49cc engine i have one for sale. its slightly used but still in superb shape. it has most the parts but some are a lil rigged like the connector for the spark plug but it all still works. it originally came off of a dirt runner 49 which u can find all the engine...
  3. J

    Ryobi 30cc OHC 4-stroke engine power?

    Greetings all (my 1st post!) I've gotten hold of a factory recon wheeled string trimmer, a 30cc 4-stroke from Ryobi, model T430. The powerplant is the version with the metal camshaft, not the older plastic-cam version that melted :). It has an overhung (single-ended) crankshaft, and the...
  4. domster66

    engine sputters, hard to turn over

    Hi I already posted about my idling problem, but I'm also wondering what could be wrong with this new problem...... So I will ride downhill and the engine will sputter and sputter until finally it starts up, I run out of road, engine shuts off, then it takes SO MUCH leg power to get it turned...
  5. N

    bike is way slow, any ideas?

    ok, so, i have built my second engine on a bike, the first one was with a friend on his bike, everything went fine except the carborator filter kept falling off. i built my bike on my own with a little hole drilling help from my girls dad. And my bike is solid no problems at all, everything is...
  6. N

    NY laws on motorize bikes?

    Hi everyone, I would like to buy a engine online for my mountain bike but Im not sure if I need to get a license or registration. the engine i wanna get is prob 40 - 50 cc, (I have read that anything under 49cc you don't need anything, Is that true? I really dont want to do any legal papers...
  7. Ancient Order

    Engine buzzing/bogging high torque situations

    Whenever I'm going up a hill or starting off my engine will start to make a weird sharp buzzing sound and lose power. Is it not getting enough air/fuel? Whats making that sound? Thanks
  8. R

    Help motor dies when i go above 80% throttle

    This is making my head scratch guys... My bike can go 50% throttle for more than an hour. However when I go above 80% throttle for more than 20 seconds then the engine dies off... I am 100% sure it is not supposed to do that lol. So right after it die this time I saw that the plastic...
  9. R

    Fuel does not go down fuel tank!

    Hey guys, I have another question making me scratch my head... The fuel tank is connected to carb and when I used to open gas valve and pressed the tickle button 5-7 gas went down to carb and kept on going to the carb until i turned gas valve off (motor worked fine). However, now the gas...
  10. FPSaustralia

    NOS!! is it good for the 66cc engine ?

    cvlt1 hey i was thinking of getting a nos kit .. For my Bike ... And do they work very well .. THnks ... this is some on the kits .. http://www.kingsmotorbikes.com/nitrous-kit.htm thnks Please Reply :) .xx.
  11. FPSaustralia

    70cc or 70cc stage 2?

    hey i been looking at a 70cc stage 2 engine 4 my b ike witha a shifter kit and expantion chamboure but dose tha stage 2 make a big diffrence ...
  12. T

    The Engine Starting Blues

    Hi. Super newb here. I recently bought a 49CC engine kit from ebay seller boygofast and installed it on my 70's free spirit cruiser. After a good amount of tweaking (tightening the clutch cable, adjusting choke, securing wire connections, etc.), I was finally able to get it going. It seemed to...
  13. 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...
  14. Intrepid Wheelwoman

    Velocars and other interesting vehicles.

    I would imagine that Threadcromancy isn't permitted by the moderators so I thought I'd begin a new thread to follow on from this old one here ....... http://motorbicycling.com/f44/wild-idea-24508.html The modern velomobile is far too hi-tech and expensive for me to even consider for a...
  15. Ruby478

    Gasbike lately?

    anyone order from gasbike.net in the past few months? ive had bad dealings with them in the past but theyre the only ones that have the parts i need........... so if you have ordered from them how was your dealings with them?
  16. Ruby478

    Dallas 2stroke engine rebuild

    Is there anyone around or close to Dallas,TX that knows how to rebuild a 2 stroke engine ........ ive been having problems with mine and really need help getting it running at 100%
  17. 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...
  18. nidyanazo

    Straight plug engines are better than angle plug engines

    It's getting almost comical the amount of customers who want the angle plug engines (we do sell both types) simply because they think the angled plug is a better engine with more power. A centered spark plug will promote a more even burn, with the combustion force able to spread out evenly...
  19. S

    Different type of carb problem.

    Hey all, I'm new here. I bought a used motorized bike from someone nearby off of Craigslist and I've had nothing but problems since then. Luckily the man also included a box of parts, among which was an entire new engine assembly, chain, tubes, etc. My brother found a nice mountain bike and...
  20. M

    66cc Bike Engine Caught On FIRE!!!

    So, after riding my bike for a good hour or so (just about new with less than 200 miles on it), I turned it off and left it outside to cool off. I walk into my house and peek through the window just to make sure it hasn't fallen over and what do I see? A BIG ball of fire and a cloud of black...