how to shift from 4th gear to 3nd gear? - BMW S1000RR Forums: BMW Sportbike Forum
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post #1 of 37 (permalink) Old 11-06-2012, 01:10 PM Thread Starter
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how to shift from 4th gear to 3nd gear?

Hey everyone. I'm a new rider but understand the concepts of rev matching from my car racing background.

In cars we have this thing called "heal & toe" and i'm comfortable applying this technique to motorcycle. I get on the breaks, press the clutch, blip the throttle slightly as I go to a lower gear and release the clutch. I can do this smoothly without a problem.

My question is more regarding daily riding.
Here is the situation:
4th gear on the highway and I want to go to 3rd for better acceleration.
In a car this is my procedure:
Stay in the throttle but only slightly so that when I press the clutch, the rpm's slowly creep up. Then I go to 3rd and release the clutch at precisely the right moment to "catch" the rpm for the 3rd gear.

In a motorcycle I lack the throttle sensitivity to make this work. Probably because i'm new and the engine is so "revv happy".

The only thing that works for me now is the following:
let off the throttle for a quick millisecond (decelerating)
Push in the clutch, blip the throttle and go to 3rd gear.

The problem I have with the way I do it now is the slight deceleration of closing the throttle completely.

Maybe someone knows what i'm talking about here?
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post #2 of 37 (permalink) Old 11-06-2012, 01:12 PM
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apply pressure to the shifter to get it down into 3rd and at the same time blip the throttle. dont touch the clutch, it will go into gear by itself pretty much.

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post #3 of 37 (permalink) Old 11-06-2012, 02:00 PM
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I also would like to know more about downshifting without using the clutch.
I do the same as Noam, let off the throttle, push in the clutch, blip the throttle.
How about blipping the throttle clutchless ?
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post #4 of 37 (permalink) Old 11-06-2012, 02:07 PM
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did you miss my post?

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post #5 of 37 (permalink) Old 11-06-2012, 02:25 PM
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Quote:
Originally Posted by russianvr4 View Post
did you miss my post?
I got your post Russian, but it's not as explanatory.
What happens when blipping the throttle not using the clutch ? How will the engine behave ?
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post #6 of 37 (permalink) Old 11-06-2012, 02:30 PM
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um, it will rev up, and if you're applying pressure to the shift lever at the same time, as soon as engine speed matches the speed of the gear you're selecting, it will shift into that gear and you keep on going. i dont know how to put it simpler than that, just give it a try!

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post #7 of 37 (permalink) Old 11-06-2012, 02:30 PM
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As described above. Unload tranny (roll off the gas slightly), click down (or up if GP), done. Don't listen to anyone saying this will destroy your transmission.
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post #8 of 37 (permalink) Old 11-06-2012, 02:31 PM
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Quote:
Originally Posted by the_gooch View Post
As described above. Unload tranny (roll off the gas slightly), click down (or up if GP), done. Don't listen to anyone saying this will destroy your transmission.
yup, can also do it that way, but this way is a little slower than blipping the throttle.

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post #9 of 37 (permalink) Old 11-06-2012, 02:52 PM
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Dude you got a slipper clutch... bang that thing down hard and don't worry about anything else.
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post #10 of 37 (permalink) Old 11-06-2012, 05:26 PM
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Go watch any wsbk or motogp riders... they all use the clutch on downshifts. That's all I will say.
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