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SCCTrim,
Very interesting! Not on the forums much anymore and today is my first visit to this new segment after the split. I live just north a Allentown and it appears that we have some things in common. I have had the 42mm HSRs on my '02 America for well over three years now and I'm just finishing a ground up resto of a '69 BSA Rocket 3!
Initially, I really didn't see much of a power gain with the Mukunis although they looked a heck of lot better and they allowed me to lose the stock air box and aquire a very useful "trunk" under the seat!
I always had a problem with the bike running too rich. I can't even count the number of times that I've had these on/off of the bike and the number of jet combinations that I tried. Even custom ordered leaner than normally available jets from Mikuni! Still the bike had plenty of power and "Harley hunting" was real easy! LOL! Always thought (and still do) that these carbs are just too big for the bike.
Two winters ago, I dropped in the Weisco 904 big bore. The lean problem got a little better and power got better. Big surprise, huh? Last winter I dropped in a set of British Custom street cams. Without touching the ultra lean carb settings this combo finally got the bike to stop blowing black soot out of my Sceptre pipes but only after I also disabled the accel pumps!
I dynoed the bike a few months ago and got almost the exact reverse results that you did. 65 HP and 83 lb/ft of torque!! Weird, huh? We ran the bike twice to be certain and we also had run my '05 Rocket 3 just before this with the expected results so I don't think there was a problem with the dyno. This bike drips torque!! Seat of the pants confirms the results as well. It's actually difficult to shift into any gear including fifth without having the front end jump! I love it!!
Perhaps this spring we ought to meet up somewhere and swap rides. Might be interesting! I'm still thinking that the Mikunis are really too big.
BYW, I put a Hyde 850 big bore and a set of MAP street cams in the Beezer "while I was there". I just can't help myself. Sigh!
Cogito ergo equito
Bob
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