Long overdue for an update here.. I ended up finding a new 30T rear sprocket in Dad's parts hoard. Not sure why he had it...? From what I have read on here 32T seems like the preferred solution. Anyway, a free sprocket is a free sprocket, so I decided to slap it on. While I had it apart, I also added some pod filters I found, used this PCV valve I couldn't fit on the XS1B,
opened up the exhaust, and re-jetted the carbs.
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The 30T did take a big bite out of the acceleration... That being said, I feel much better about running it at 55+ mph now. Even at low speeds the gearing feels much more balanced. I imagine one day I will probably change it to a 32T, but it works for now. The exhaust and carb mods worked out great for me. Sounds better and it just feels like the engine is opened up like it should be. Took a little tuning and balancing to get it right, but it just howls down the road now! A good long ride into the back country is in the forecast.