'75 GL1000 engine, stock carbs (rebuilt myself). Only ~100 miles on it so far, but the first time that I filled it up (last night) from a pump so I could figure the mileage, it was only 22.8 mpg. Now, there may be some inaccuracies in my previous fill to this one as the previous was from and can using a funnel. She idles well, accelerates hard but doesn't like low RPMs - wants to stay over 3500. Still on 13 year-old tires with marginal front brakes, so not getting ridden much but I did wind her over 7000 RPM yesterday and she felt quite happy with it. Much of the past 50 miles was 55 - 65 mph on a four-lane. I did re-adjust the valves after the first 50 miles on her (not much change). I know that the left bank has darker plug insulators than the left, and the left is MUCH louder, but #1 cylinder had 20 psi higher compression than the others. I've not rechecked the compression since I put the engine back in the frame, however.
So.... 22.8 mpg. Should I expect it to improve? Worry about pulling carbs again (won't happen until the fall at earliest)? Really, I did not find mounting the carbs and cables that hard, but then I didn't have the shelter on it then, either. I worry more about scratching up the paint more taking them in and out.
So.... 22.8 mpg. Should I expect it to improve? Worry about pulling carbs again (won't happen until the fall at earliest)? Really, I did not find mounting the carbs and cables that hard, but then I didn't have the shelter on it then, either. I worry more about scratching up the paint more taking them in and out.