carburetor tuning

*Went out riding today with my brother. We probably did 80-100 miles, just bumming around town and having fun. We wanted to test my top speed, and I couldn't get past 90, and that was on a downhill. I also seem to have a bit of "dead" space at the top of my throttle, in pretty much any gear, but...

I have just got my CB450K running and driving, its so much fun! That being said, it doesn't want to idle below 2K, and sometimes it'll get "stuck" at 4k, and by letting out the clutch a bit, i can pull it back down to 2k (and then pull the clutch again all the way, no I'm not burning my clutch...

I own numerous Motorcycles and recently became enamored with Honda's CB 450 engine design. I purchased these two for 1000 and 900, respectively. The CB was in running condition the CL was not. Both had been sitting for 20 plus years. These are the photos of the bikes the day I bought them. So...

Hi all! I have been very slowly restoring my 1974 CB250 and I’m at a stage where I’m ready to get the engine started. I’ve been looking for the carb settings for my model but I can’t seem to find anything specific to the 250g, only for later bikes and the 360 which the engine is based on...

Hi all! Got some time to tinker with this new to me 350. Cleaned up the carbs, new o-rings everywhere. Starts and runs, but idles very high. I don't have a tach so I don't have a number but it sounds like it wants to run away. My suspicion is the DIY butterfly valve that someone put into the...

I have a '79 CM185T, I'm fairly new to wrenching but I know enough to be dangerous. I had no compression on the left side, so I rebuilt the top-end of the engine. While I was waiting for new valves and gaskets, I went through the whole ignition system - new battery, new coil/boots/plugs, new...