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At a tach reading of 6k RPM the vehicle speed is 57MPH. 6th gear can be used down to 3k RPM, but no acceleration, just to maintain speed. Acceleration at 3k RPM is good in the first 3 gears but in the last 3 gears you really need to be at 3500 or more RPM (engine warm of course). I think the gearing is comparable to the Rebel with 80 MPH about 8400 RPM (CBR) but top speed is much higher with the 10.5k red line. I have seen some videos of speedo readings of over 165 KPH, probably for a short 150 pound rider in a full tuck behind the windshield. Most times I accelerate from 4 to 5k RPM then shift, higher if I want to get to speed faster.
Performance compares to the Ninja with the Ninjas higher revs beating the CBR, while the CBR is much more manageable at lower revs, which should be good for mileage. Riding position was my greatest concern since at age 60 the old back just ain't what it used to be, but so far it is OK. Wouldn't hurt to drop 10-15 pounds, very hard with Italian wife cooking.
I just listed the Rebel for sale on CL, sold the 2006, now maybe the 1999. I figure the doubling of taxes and license and insurance costs are unnecessary. The 1971 CB 350 will be on an antique tag and ridden very rarely, just enough to keep it in good running condition.
Engine is very quiet which makes transmission noise much more noticeable.
Vibration is very low, mirrors vibrate very little compared to the Rebel. On the Rebel it's hard to see the lights on a police car behind you. On the CBR you could probably read the license plate in your mirror.
regards
Mech
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