So I am thinking of doing just +3 in the back? I am trying to find a setup that is good for VIR and NCBIKE.
Though I have an 03 with the similar 636 engine, I used to use a 46T rear sprocket and stock front. I found it worked well when I was running at a good intermediate pace..now at a faster pace I now run a 44T rear and it works very well at VIR and Summit. I have not been to NC Bike, but think it is a shorter course. The rear sprocket is super easy to change for track setups so having a few rear sprockets can never hurt. If you mostly ride on the street a basic +2 rear is a nice compromise. Just change both sprockets and chain at the same time, especially if they have some miles on them.
I agree with zx6rrnewbiee use sprocket center they were cheaper than I could find any where else and they were fast shipping got to my house in like 2-3 days from the other side of the USA I live in florida and it came from calli I think. I did +2 and me and my dad did the work with neither of us having done it before it was pretty easy as long as you have rivet tool and impact for front sprocket
I had a 636 with the lower gearing and I despised it. I was gonna change it back to stock but sold bike and kid who bought it wanted the lower gearing. I rode the open highway too much and got tired of the engine screaming at 70 mile an hour. It was great for wheelies but miserable for cruising.
This is just my .02 if you don't agree with me its fine I can see cases where changing gearing will help on a tight track.
But I have a 06 zx6r completely stock gearing. And do not see why someone would want to touch there gearing unless your trying to shave a few seconds off your track time or your stunting in a lot. I ride with around 10 different guys now all of them have different gearing mostly -1+2 and I can pick up a wheelie and ride it smoother and faster than probably 8 of them no clutch just power 2nd normally or 3rd if there's an incline. And it shifts just fine in a wheelie.
Now the reason I bring up wheelies is because if you get on YouTube or stunt forums you always see someone on a 600+ that says there bike wont do a wheelie and someone else will say gear it. Im sure all of you have seen my buddy's crashed 12 r6. He was one of those saying he had to gear his bike to do a wheelie. Which he just said the other day his 13 zx6r needs to be geared
Just my .02 of the day.
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I had an '07 ZX-6 and went with the -1/+1 and made only a couple hundred rpm difference!!! Only noticed the difference because I made a note. But it made a big difference in the take-off speed!
Go with -1 & +1!!!! You'll be happy!!!
And did you account for the fact that your speedometer no longer read the same as it used to?
It was never accurate, but you can't have a baseline for RPM change if it wasn't calibrated before the change, then recalibrated once you changed the gearing. With that gearing and a properly calibrated speedometer you'll turn approximately 500 more RPM at 60mph in 6th gear.
2005 ZX-10R Street and Track Whore
Last edited by goingtoscotland; 02-26-2013 at 06:58 PM.