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Using quick shift...is it a bad thing on a honda 125cc ??

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freakymadness
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Joined: 06 May 2009
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PostPosted: 15:12 - 17 Jun 2009    Post subject: Using quick shift...is it a bad thing on a honda 125cc ?? Reply with quote
Just a quick one!! Laughing ...mind the pun there!! Rolling Eyes ...any way i just wanted to no if using the quick shift method on my gilera cougar ( honda engine 125cc )...would damage the engine etc?
the only reason i ask is because it is a big heavy bike and when i pull out from roundabouts every second counts as you all no...especially on a cruiser with a small engine...so what is your opinion all???
BIG ANT out!!! Karma
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cammy mack
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PostPosted: 15:25 - 17 Jun 2009    Post subject: Reply with quote
binning the clutch is ok going up the gears mate, wouldn't advise it going down them though Thumbs Up
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freakymadness
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PostPosted: 19:43 - 17 Jun 2009    Post subject: Reply with quote
robert mack wrote:
binning the clutch is ok going up the gears mate, wouldn't advise it going down them though Thumbs Up
.....so out of intrest why is it ok to bin the clutch to go up the gears but not down???? cheers buddy!!!
BIG ANT out!!! Karma
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The Artist
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PostPosted: 20:25 - 17 Jun 2009    Post subject: Reply with quote
Because the gearbox is designed that way. It is sequential going from 1st to whatever your top gear is, not the other way round.
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DKMonst3r
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Joined: 12 Jun 2008
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PostPosted: 01:21 - 18 Jun 2009    Post subject: Reply with quote
Lol sounds to me like u need to practice ur pulling away skills. I have the same bike and it does go nicely u just need to rev it a bit Razz. And to answer ur question no its not a bad thing if done right Smile .
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freakymadness
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PostPosted: 04:09 - 18 Jun 2009    Post subject: Reply with quote
LaPeace wrote:
Lol sounds to me like u need to practice ur pulling away skills. I have the same bike and it does go nicely u just need to rev it a bit Razz. And to answer ur question no its not a bad thing if done right Smile .


Well as a learner yes i agree i need more practice Wink hence being a " learner " i live in a busy city and some junctions can be a bit scary so the quick shift is handy...oh and i pull away just fine thanks!! Laughing
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Pete.
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PostPosted: 05:26 - 18 Jun 2009    Post subject: Reply with quote
allymoss wrote:
Because the gearbox is designed that way. It is sequential going from 1st to whatever your top gear is, not the other way round.


Gearbox is sequential in both directions. What I think you meant to say was that when going up the gears the revs drop with each change, and since you have to shut the throttle to unload the gearbox the revs drop doing that too so the two combine naturally.

When changing down the revs are higher in each next gear down, so shutting the throttle to unload the box works against the need for higher revs in the lower gear you are trying to select.

On some bikes clutchless downshifts works wonderfully well, maily lower-powered bikes with non-undercut gearboxes. Others you have to develop a knack to make them consistently smooth.
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DaveH
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Joined: 03 Feb 2006
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PostPosted: 05:33 - 18 Jun 2009    Post subject: Reply with quote
allymoss wrote:
Because the gearbox is designed that way. It is sequential going from 1st to whatever your top gear is, not the other way round.
No they are not Rolling Eyes

Most bikes have straight cut gears, which means that they mesh together quite easily and be happy as going clutchless in either direction, in fact I would argue that a well timed down shift stresses the gears less than a well timed up shift as upshifts are under power.

Its all down to technique in the end.
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Acemastr
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PostPosted: 07:43 - 18 Jun 2009    Post subject: Re: Using quick shift...is it a bad thing on a honda 125cc ? Reply with quote
freakymadness wrote:
Just a quick one!! Laughing ...mind the pun there!! Rolling Eyes ...any way i just wanted to no if using the quick shift method on my gilera cougar ( honda engine 125cc )...would damage the engine etc?
the only reason i ask is because it is a big heavy bike and when i pull out from roundabouts every second counts as you all no...especially on a cruiser with a small engine...so what is your opinion all???
BIG ANT out!!! Karma


So all in all, yes.. you can (i do, just not 1st to 2nd) and yes it will get you going slightly quicker but not by a whole lot. I very much doubt you'd get the front end up on a hard take off so i'd recommend lots more revs, that'll get you going quicker. clutchless downshifts just aren't worth it in my opinion, plus the quick blip sounds sexy Smile
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freakymadness
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Joined: 06 May 2009
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PostPosted: 16:50 - 18 Jun 2009    Post subject: Re: Using quick shift...is it a bad thing on a honda 125cc ? Reply with quote
Acemastr wrote:
freakymadness wrote:
Just a quick one!! Laughing ...mind the pun there!! Rolling Eyes ...any way i just wanted to no if using the quick shift method on my gilera cougar ( honda engine 125cc )...would damage the engine etc?
the only reason i ask is because it is a big heavy bike and when i pull out from roundabouts every second counts as you all no...especially on a cruiser with a small engine...so what is your opinion all???
BIG ANT out!!! Karma


So all in all, yes.. you can (i do, just not 1st to 2nd) and yes it will get you going slightly quicker but not by a whole lot. I very much doubt you'd get the front end up on a hard take off so i'd recommend lots more revs, that'll get you going quicker. clutchless downshifts just aren't worth it in my opinion, plus the quick blip sounds sexy Smile


You would need a fork lift to get the front end up on my bike lol.....as im new to bikeing and still getting used to my bike the reason i asked is because it seems a lot smoother and quicker with the quick shift but i still use the clutch every where else as it is a cruiser bike not a race bike...i look forward to passing my test so i don't have this power problem Thumbs Up
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