Whats the group opinion of clutchless up shifts?

Started by Fast Cletus, June 12, 2009, 04:33:45 PM

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Fast Cletus

CCS Racer #552
2001 Ducati Monster 600 & 2001 Ducati Supersport 900

GSXR RACER MIKE

Smites are a cowards way of feeling brave!   :jerkoff:
Mike Williams - 2 GSXR 750's
Former MW Region Expert #58
Racing exclusively with CCS since '96
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Burt Munro

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tzracer

Far more people do not use the clutch for up shifts than use the clutch.

Done properly, it does not cause any extra wear to the transmission.

I do know people who do clutchless downshifts. I do not recommend doing this.
Brian McLaughlin
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roadracer162

I like them. Sadly though the FZR is a little rough on shifts and many times require the clutch. The Ducati with GP shift and a quick shifter is the bomb and I swear I must have shaved at least one second a lap.

Mark
Mark Tenn
CCS Ex #22
Mark Tenn Motorsports, Michelin tire guy in Florida.

GSXR RACER MIKE

Quote from: Burt Munro on June 12, 2009, 05:18:01 PMThat explains a lot in your situation!   :ass:

:wtf: Someone just explained to me that there's a transmission on my bike with more than 1 gear - why didn't someone tell me this a long time ago!  :wtf:
Smites are a cowards way of feeling brave!   :jerkoff:
Mike Williams - 2 GSXR 750's
Former MW Region Expert #58
Racing exclusively with CCS since '96
MODERATOR

ronhix

Ron Hix
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Quote from: tzracer on June 12, 2009, 05:52:20 PM


I do know people who do clutchless downshifts. I do not recommend doing this.

*raises hand*:biggrin: 85K miles on the original trans. drums fine, shift forks are fine gears are fine. Has created a couple "entertaining" moments clutchless downshifting though.
Rob
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spyderchick

Quote from: skidMARK on June 13, 2009, 09:10:28 AM
I like them. Sadly though the FZR is a little rough on shifts and many times require the clutch. The Ducati with GP shift and a quick shifter is the bomb and I swear I must have shaved at least one second a lap.

Mark

New clutch basket for the FZR every now and then solves that issue. Also, you can file the splines on the basket at least 3 or 4 time before you need a replacement. ;)
Alexa Krueger
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Xian_13

Quote from: spyderchick on June 15, 2009, 02:58:16 PM
New clutch basket for the FZR every now and then solves that issue. Also, you can file the splines on the basket at least 3 or 4 time before you need a replacement. ;)

That reminds me....
I have a clutch basket that used to belong to you.
Its in a much better place now.
:P

XIII
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Fast Cletus

so what the process of making a smooth clutchless up shift? I assume, off the throttle, shift,  and back on the throttle?
CCS Racer #552
2001 Ducati Monster 600 & 2001 Ducati Supersport 900

spyderchick

#11
Quote from: Xian_13 on June 15, 2009, 10:46:28 PM
That reminds me....
I have a clutch basket that used to belong to you.
Its in a much better place now.
:P



XIII

Hopefully making laps somewhere. :)
Alexa Krueger
Spyder Leatherworks
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www.spyderleatherworks.com
www.redflagfund.org
Do or do not, there is no "try".

GIGOLO

Quote from: ronhix on June 13, 2009, 11:13:43 AM
http://www.youtube.com/watch?v=0AJXsVj-PMg&feature=player_embedded

Anybody who has had a clutch go out on them has learned that if you match revs to wheel speed to can change gears easily.  I drove home from Chicago to Naperville in my piece of shit truck with no clutch.  Running starts for first and then the rest just click in.  Whats with the white shit on his face is he exfoliating?

Quote from: Fast Cletus on June 16, 2009, 08:13:50 AM
so what the process of making a smooth clutchless up shift? I assume, off the throttle, shift,  and back on the throttle?

I think it was a class I was taking on constant mesh transmissions, which most bikes have, that said you actually dont have to get completely off throttle.  Just enough to unload the trans. 

Mouse

Quote from: GIGOLO on June 16, 2009, 09:59:42 AM
I think it was a class I was taking on constant mesh transmissions, which most bikes have, that said you actually dont have to get completely off throttle.  Just enough to unload the trans. 

Yeah, what he said.

Pre-load your shift lever.
Then roll slightly off your throttle. It will pop into the next gear. Then roll back on - all in 1 quick moment.

Then go get a quick shifter for your dynojet or whatever and let the computer do all the on/off for ya  :)
Chris Blake
CCS #129

Ducmarc

i don't really think you ever get completely off the throttle anyway. everytime i try up shifting with a clutch it seems to muck things up . i do wonder if i'm the only fat guy that fans the clutch out of the corner on a 125  that's my bad habit from mx days

tzracer

Quote from: Ducmarc on June 16, 2009, 09:40:50 PM
i do wonder if i'm the only fat guy that fans the clutch out of the corner on a 125  that's my bad habit from mx days

No you are not, I occationally heard it while passing people.
Brian McLaughlin
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2 strokes smoke, 4 strokes choke

123user

On most bikes I've ridden its almost always faster to forgo the clutch.  On my current ride, a ducati 1000ss, the front gets very upset (and I get very scared) without a little clutch action.

I don't think you should think of the clutch as an all or nothing sort of thing.  Just a little disengagement is usually enough to ease the violence of the change-up.