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Good article comparing the CB with the BMW R nine T Pure
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DaSwami Offline
Running Like a Top

Northwest Montana (again!)
Posts: 467
Joined: Jun 2015
Post: #31
RE: Good article comparing the CB with the BMW R nine T Pure
How does that not hurt the tranny? I assume you throttle down still between shifts?
08-15-2017 10:53 AM
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Capo Offline
High Mileage

Sea Girt, New Jersey USA
Posts: 1,210
Joined: Sep 2013
Post: #32
Good article comparing the CB with the BMW R nine T Pure
It is done with electronics, up and down quick shifters blip the throttle for rev matching. No harm at all.


Sent from my iPhone using Tapatalk

No more CB, but a GB.
Triumphs and Ducatis.
A Norton, MV, and Morini 175.
Probably others.
08-15-2017 04:46 PM
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Stichill Offline
Road Warrior

Northern Kentucky, USA
Posts: 2,353
Joined: Oct 2014
Post: #33
RE: Good article comparing the CB with the BMW R nine T Pure
You don't need electronic wizardry to do clutchless upshifts that don't harm the transmission, just a bit of foot and throttle work.

Other than 1-2 upshifts, which are best done with the clutch as Retsel mentioned, 2-5 or 2-6 can be done clutchlessly.

Procedure:
  1. Prior to shifting, apply upward foot pressure on shift lever, as you would normally for a clean shift with clutch.
  2. Maintaining upward foot pressure on shift lever, reduce throttle and quickly pull lever up smartly with your foot. Gear will change instantly.
  3. Immediately / simultaneously resume throttle.
  4. Repeat for remaining upshifts.

If you are slow or awkward with your throttle work, the bike will lurch as you interrupt power; but unless you are terribly sloppy, the transmission will not be harmed.

I do this very often on my CBR250R while group riding with more powerful bikes. With only 23 HP on tap at max throttle, I minimize any time wasted shifting in order to keep accelerating under power almost continuously.

2012 Honda CBR250RA Candy Ruby Red/Silver
08-22-2017 06:58 PM
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