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post #1 of 6 (permalink) Old 09-16-2007, 05:47 PM Thread Starter
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Gearing question

I ride a 2006 R6 and I am wanting to get a larger sprocket in the back to give it a little more low end power. Just wondering if any of you have a suggestion on brand, how many teeth to go up, or anything else I should think about. Thanks.
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post #2 of 6 (permalink) Old 04-04-2008, 06:24 PM
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I ride a 2006 R6 and I am wanting to get a larger sprocket in the back to give it a little more low end power. Just wondering if any of you have a suggestion on brand, how many teeth to go up, or anything else I should think about. Thanks.
AFAM has a good reputation. On my 1000rr I dropped one tooth on the front and added two to the rear. So at the legal limit on the highway I am running at about 4800 rpm.
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post #3 of 6 (permalink) Old 04-04-2008, 08:26 PM
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I used sunstar sprockets on mine. I also went -1+2 and my speedo was off by 10 mph. Cruising at 60mph i am running around 6,200 rpm. I ride a 2000 zx6r.

Do It. Do It.
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post #4 of 6 (permalink) Old 04-04-2008, 08:33 PM
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Quote:
Originally Posted by 06Raven View Post
I ride a 2006 R6 and I am wanting to get a larger sprocket in the back to give it a little more low end power. Just wondering if any of you have a suggestion on brand, how many teeth to go up, or anything else I should think about. Thanks.
What do you want the machine to do differently? There are nearly endless combinations.

Dan
1991 FZR 1000 - built 1040 with race cams, Akrapovic full exhaust, and mild suspension work
2004 YZF R1 - Graves full exhaust, velocity stacks, BMC race filter, and Power Commander. Rear Ohlins. Forks rblt with Race Tech springs and Gold Valves.
2005 20th Anniversary V-Max (0098/2000) - T boost,
2005 YZF R6 track bike - Graves full exhaust, Race Tech suspension
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post #5 of 6 (permalink) Old 04-27-2008, 04:10 PM
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Just don't fall for the alumunum rear sprocket nonsense. A nice piece of maple would make a better and longer lasting sprocket than aluminum. Steel isn't durable enough, in my opinion. I see many examples of aluminum sprockets that are wasted in less than 1000 miles. I can do that in a weekend.

Going up one tooth at the rear will give a little bit more low end grunt and may even improve your 'real world' top end as well. For example with somewhat lower gearing you may actually go faster if you're going up a slight grade, or into the wind, or when riding double, or if you're as big as a line-backer, etc, etc.
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post #6 of 6 (permalink) Old 02-21-2009, 04:38 AM
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Gearing

I wasn't going to comment but I can't resist. What's a public forum if you can't agree to disagree once in a while.

I have lightened aluminum 520 sprockets on both my bikes and have had since shortly after they were new. One is a 1999 Yamaha R6 which I run 1 down 1 and 2 up sprockets from Sprocket Specialists and a DID Gold EV 520 chain. The other is a 2003 Honda CBR 600RR on which I run 2 down and 3 up lightened aluminum sprockets from Sidewinder. Also a DID EV Gold 520 chain. The R6 has over 30,000 miles on it and is on its second set of sprockets. The RR has 40,000 miles on it and I just now replaced the sprockets..

My RR is the one I use for trips so I have two sets of 520 sprockets. The 2 down and 3 up configuration is for playing in town. I have another set of 520 sprocket in the stock teeth config that I use for long road trips.

Bottom line from me it that I see no problem running aluminum sprockets on a sportbike 600cc and below. On the litre bikes I would not recommend aluminum because of the high hp and torque numbers. Like anything else to do with a motorcycle proper adjustment and regular lubrication is required - good quality lube not chainwax. The best thing I did to increase chain life and reduce sprocket wear was to buy a laser alignment tool for chain adjustments - love it....
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