[yellowSquid]

Can anyone tell me from experience what the difference in performance will be between dropping one tooth on the front sproket, in combination with adding one, two or three in the rear as compared with stock gearing? I'm a relatively new zx6r rider, and I'd like the bike to be a little quicker but I don't want it trying to flip over on me from making a stupid gearing choice. Any advice would be appreciated.

 

[iowazx6r]

one down on front = 3 up on back

Dan...comfortable enough with his manhood to ride a 600.

 

[-gary]

One down and two up will nearly turn it over if you stay in the gas. It's a slow lift and really controlable. It's not like you're just sitting there, and all of a sudden you're on your ass. If you flipped it, it'd be stupidity or panic, not normal hard riding.

-gary
'02 6R

 

[yellowSquid]

What changes have you guys made to gearing, and have you installed a "yellow box" to correct speedo error?

 

[iowazx6r]

When I order my new sprockets I'm debating over 14/41 or 14/42. I plan on getting a yellow box too. The stock gearing is 15/40. Dropping one tooth off the front will give roughly 7% error. So I assume 14/42 would be about 10 to 14%. I'll just pace my friend and see how far I'm off and reset it.

Dan...comfortable enough with his manhood to ride a 600.

 

[jamal]

Just wondering if doing mods like that put unnecessary strain on the bike motor or if any damage could be done? I have heard it is a great/cheap way to greatly increase acceleration...just not sure if it is worth it. And if it is so easy, how come everybody doesn't do it?

 

[iowazx6r]

It can strain your motor if you go crazy. For instance, buying the 13t front and the 50t rear sprocket is going to strain your engine (I did find a 50t rear for 95 to 97s).

Dan...comfortable enough with his manhood to ride a 600.

 

[Rob Lee]

quote:
I plan on getting a yellow box too. The stock gearing is 15/40. Dropping one tooth off the front will give roughly 7% error. So I assume 14/42 would be about 10 to 14%. I'll just pace my friend and see how far I'm off and reset it.

If you gear at 14 to 42, the speedo on a 1998+ ZX-6R will read exactly 12.5% higher than stock.

The Yellow Box instructions explain how you can use highway mile markers to recalibrate the speedo by yourself.

 

[-gary]

At 70 mine reads 88-89. 14/42

-gary
'02 6R

 

[iowazx6r]

Worst comes to worse I don't get a yellow box and I never worry about another speeding ticket again. =)

Dan...comfortable enough with his manhood to ride a 600.

 

[NiNjA RyDiN]

ye i went down 1 in tha front and it fuked my speedo up and i am 9 mph higher than usual. so at 80 mph im really going 71 mph. later

 

[kawboy444]

By gearing it down will give you a big gain in acceleration. This works great for drag racing. On the street in town you really don't notice it, but if you ride alot of highway and interstate its not the best. On my 95' I went down one tooth smaller in the front. My brother has an 01' and went down one tooth in the front and 3 up in the back. He runs at about 7,[email protected] on the highway in 6th gear.

 

[Andy_7676]

wont this put a greater strain on your chain?


what about chain wear?

My Drinking Team Has a Racing Problem!

 

[Lee]

I'm picking up my 14-tooth front sprocket tomorrow. But this is the first I've heard of a "yellow box." What is it?

-----

Open Throttle

 

[Grunt_99]

Originally posted by dav

I'm picking up my 14-tooth front sprocket tomorrow. But this is the first I've heard of a "yellow box." What is it?

-----

Open Throttle

http://www.blackrobotics.com/desc.htm
You throw off your (already inaccurate) speedometer when you change spockets. The yellow box is a computer that fixes that if it bothers you.

 

[Lee]

Hmm... that's cool. But $100! Do we know for sure that they work as well as is claimed?

-----

Open Throttle

 

[Grunt_99]

Never tried one myself, but from other people's comments they've been happy with them, they work as claimed AFAIK.

 

[Rob Lee]

The Yellow Box works as advertised.

 

[salazar]

i want to put n.o.s on my 99zx6r where would i get a kit for it.

 

[Cambridgezx6r]

Originally posted by salazar

i want to put n.o.s on my 99zx6r where would i get a kit for it.

You'd be better off selling your 600 and getting a ZX9R or a GSX750R. Seriously. Nitrous on a bike is not cheap and it is trickey (space wise and saftey/safe usage-wise).

www.schnitzracing.com

Ryan Schnitz's folks' comapny sells nitrous setups for Ninjas. Be careful, and I'm serious, a bigger bike would be cheaper/safer/easier.

'00 ZX6R silver