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Technical Motorbike Help

Why is neutral between first and second gear on a motorbike?

Why is neutral between first and second gear on a motorbike? - Forums [Biker Match] Why is neutral between first and second gear on a motorbike? - Forums [Biker Match]
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Why is neutral between first and second gear on a motorbike?

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Dont ask me why but this has led to a dispute in our office !!!!

Answers on a postcard please or post them here for all to see :)

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Brummie Jackie @ 09/09/2010 09:28  

tell the its due to the upward shift loading of the gusset bearing housing

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JP @ 09/09/2010 09:51  

JP says....tell the its due to the upward shift loading of the gusset bearing housing..... I KNEW that .....

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Karey @ 09/09/2010 09:57  

I'm not showing anybody my gussett!!!!!

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Brummie Jackie @ 09/09/2010 09:58  

Simple really... Its a sequential gearbox on a bike. Theres no other place to put neutral. If it was between 3rd & 4th for example you'd have to change through 2 gears to move off from a standstill. If it was before 1st gear you'd be hitting neutral on downshifts to 1st gear.

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DriftnSlide @ 09/09/2010 10:15  


its the only logical place for it. unlike a car where u put it in neutral when u stop at lights etc u dont on a bike.u are meant to keep your brake foot on the brake when stopped and the other foot is needed to hold the bike up. theoreticaly if your in neutral on a hill u are not in control because u would have to take your foot off the brake to change gear to move off. when u intend to stop you knock it through all the gears to 1st so ur ready to move off again - if it was before 1st you would knock all the way through to neutral and have to change up again to be sure its in 1st. when u stop to park ur in 1st so only one gear away to neutral and when u get back on your only one gear away from 1st

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dunans @ 09/09/2010 11:12  

It hasn't always been like that, it used to be fairly common for neutral to be at the bottom (N-1-2-3-4), but everybody changed in the 70s.


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Deleted Member @ 09/09/2010 11:54  

I never changed in the 70's

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giantdog @ 09/09/2010 12:45  

I'v had quite a number of pre. 70s and pre. 60s bikes and they have all had a 1-N-2-3-4 layout and all had 1st at the top and the gear change on the right hand side of the bike. It was't till the mid. 70 when i started to ride Japanese bikes that i found any difference.

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Bikeabill @ 09/09/2010 12:52  


Isn't it due to the fact that the selector forks in a gearbox generally sit in the middle of a gear box shaft so neutral had to be positioned where all cogs were disengaged and so it consequentially had to be between first and second or one away from top gear.

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Scorpio54 @ 09/09/2010 13:06  

Cos thats how they make them?

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whiteairedfox @ 09/09/2010 14:09  

BJ, drifts response is the most accurate !! sequential, for those who ask you, means that for each gear lever movement in the same direction (upwards) the next gear ratio will be selected in sequence. i.e. 2-3-4-5-6 (7) As opposed to a car, van, truck H style selector, where you 'go through' neutral with each gear change. As to the 1 down 4 up / 1 up 4 down / left hand gear lever / right hand lever location .. 1975 was the year that standardisation and safety reasons came into play so from then on all or MOST became Left hand gear lever location and down for first gear.

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GreasyTony @ 09/09/2010 14:16  

iirc Yammie FS1-E 's had N-1-2-3-4

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Rob1050 @ 09/09/2010 15:46  

I've ridden bikes with neutral at the bottom, neutral between 1 & 2, 1 up and 4 down, 1 down and 4 up, lever on the left, lever on the right, even kickstart on the left (which is bloody awkward). As Tony says they defined a standard in 75 for safety reasons and manufacturers slowly adopted the standard.


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Deleted Member @ 09/09/2010 16:08  

FS1E was 1 up 3 down so was 1 n 2 3 4 , i had 2 of em lol

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dunans @ 09/09/2010 16:12  

I can think of a few bikes in my time that had a neutral between every gear. Whether they were designed that way is another matter

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Wills @ 09/09/2010 16:27  

old farts pmsl........ sorry lads only messing couldn't resist

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Deleted Member @ 09/09/2010 16:43  

Think I had that bike too wills always fun at the lights

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JP @ 09/09/2010 16:44  




Can I have a translator please ?

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Deleted User @ 09/09/2010 19:22  

Small lever under your left foot

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JP @ 09/09/2010 19:42  

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