trouble shooting

Okay so been working at this shitty Niome 100cc kit for over a week can’t get it running think i’m onto something though finally. The bikes been bogging extremely hard and hasn’t gone faster than 5 kms and it doesn’t get uphills. Tried sealing gaskets with RTV to eliminate possible air leaks...

I’ve read almost everything I can and still don’t get what it could be. Basically I put the whole kit together on my cruiser and it wouldn’t spark so I checked the cdi and magneto for continuity, magneto read 318 so good there but CDI seemed weird it wasn’t showing anything then it was etc. Got...

Ok so I'm new to this but have been repairing and tinkering with stuff for years and I'd say I'm mechanically inclined. Picked up this kit, originally meant for a frame mount, from a guy on Craigslist for $80. I am trying to figure out which make/model kit I have here, any pro's & cons of this...

Hello Motor Bicycling.com I'm Matt, a new member to this forum, however I've been working at this motorized bike for close to 3 years now and I've only got it running a hand full of times unfortunately. First a little bit of background about the bike. I first purchased the Huasheng 4-Stroke...

Hello, I have a 2 stroke flying horse "80" cc motor. I put everything together and it wants to start but cant keep it up and running for more than a few seconds at a time. Also my carburetor keeps leaking gas extensively and constantly. I think this might be do to the fact that i have the engine...

Norm, I was wondering if you or anyone else could help me out. I have a 80cc Flying Horse engine with a performance carburetor. I got the kit from Bikeberry.com. I am having trouble getting it to start. The bike worked for two days and now it wont start. On the second day the engine died on me...