bogging down

Hey all. First post on this forum. Hopefully it makes sense. Bike Info: Bike is a 1975. I rebuilt the entire engine myself. Running stock alternator with a Boyer electronic ignition. Kick start only with a lithium ion battery. Rebuilt the carbs, new fuel lines with inline filters, and rebuilt...

Hello, I am working on an 81 XS650H for a friend. For a bit of backstory, it originally had pod filters and bad float needles. So, we found the original airbox, looks to be in good shape and new OEM filters and new OEM float needle assemblies (the entire assembly including the o-ring, not...

My 1978 xs650 hardtail chopper has been running rough after it warms up and I let’er rip on the highway, typically past half throttle. It seems like it starting doing it after I adjusted the cam chain tensioner. Carbs cleaned and didn’t change anything. The main jet size has been fine in the...

Hey guys, I am stymied. My '81H has been running very well...for the most part. I switched from cone pods to unis because I was experiencing a little hiccup around 3300. Thought it was an airflow problem. Rode it a couple hundred miles and no significant improvement. The bike ran well...