hesitating

I had just purchased a 1996 ZX6R, my first super sport. Got a really good deal on it. It was in good shape. When I drove it on the highway I released it wont go above 45-50 mph. It started losing power at that point. Jerking, hesitating, popping, etc. I took it to a mechanic and we checked...

I just bought a 2006 636 and the gas tank was full of rust. I did the bbs and MEK to remove as much as I could. I also took out the fuel pump and cleaned it out as well. Then I put some 93 octane non ethanol gas in it along with 1/4 bottle of seafoam. I did all this because it was acting like it...

Hi all, I'm new to the forum, and love reading through all the topics. I could talk about bikes all day long :) I own a J1, and didn't like the low idle that it had (1k rpm). So I adjusted the idle adjuster on the left-hand side of the bike beside the coolant reservoir so that the bike now...

I changed my spark plugs for the first time. I put in NGK CR9E and i know i got the gap right. However its losing power a lot and is hesitating. Could the torque on the plugs cause this? What else could it be? HELP!!!!!