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post #1 of 11 (permalink) Old 03-07-2011, 03:44 PM Thread Starter
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sprocket change question

so im thinking about doing a sprocket change on my k7 600 to give it more torque... i was told to go -1 in the front and +2 in the rear... to be honest im not very familiar with this type of job.. if i could get some suggestions on what to buy it would be helpful.... thanks for your help in advance-Darryl
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post #2 of 11 (permalink) Old 03-07-2011, 03:46 PM
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Originally Posted by worthey360 View Post
so im thinking about doing a sprocket change on my k7 600 to give it more torque... i was told to go -1 in the front and +2 in the rear... to be honest im not very familiar with this type of job.. if i could get some suggestions on what to buy it would be helpful.... thanks for your help in advance-Darryl
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post #3 of 11 (permalink) Old 03-07-2011, 03:48 PM Thread Starter
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i have used the search bar on 3 different forums and every1 says the same thing
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post #4 of 11 (permalink) Old 03-07-2011, 04:29 PM
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Go to motomummy.com get your bikes stock gearing numbers off there, confirm that's what you have then order a sprocket for 1 tooth less in the front and order a sprocket with 2 teeth more for the rear. If you have basic mechanical abilities and decent selection of tools you should be able to do the job yourself if not bring it by the house and I'll throw em on there for ya....

Last edited by busdriver; 03-07-2011 at 06:11 PM.
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post #5 of 11 (permalink) Old 03-07-2011, 04:34 PM
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Go to the Google search at the top left. There are hundreds of posts on this. If everyone is saying the same thing. Maybe it's true. I like my stock setup though.
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post #6 of 11 (permalink) Old 03-07-2011, 05:21 PM
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You will lose roughly 15 mph with a -1 +2 setup make sure you get a speedo adj to keep up the miles and also to know your mph !!.02... If it were me i would do -1 +1 ... Jus saying Motomummy has the stock gearing app on their website

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post #7 of 11 (permalink) Old 03-07-2011, 06:59 PM
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A service manual and someone that knows what they are doing would be very beneficial. If you feel unsure of what you are doing, take the bike to someone that does..Incorrectly installing a chain spells diaster to your bike and/or yourself.

As far as what gearing you go with, the most common is -1/+2, -1, +1, and stock.

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post #8 of 11 (permalink) Old 03-07-2011, 08:28 PM
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If you only change the rear sprocket does it still mess up the speedo?
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post #9 of 11 (permalink) Old 03-07-2011, 08:43 PM
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i have a -1+2 and like it, usually cruise around 6-8k rpms, aluminum sprockets dont hold up as well as steel ones, sunstar is pretty good.

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Last edited by pswamp605; 03-07-2011 at 09:01 PM.
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post #10 of 11 (permalink) Old 03-07-2011, 09:45 PM
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Quote:
Originally Posted by Redrockunderpants View Post
If you only change the rear sprocket does it still mess up the speedo?
Yes..you're speedo will be off even more than stock.

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post #11 of 11 (permalink) Old 03-07-2011, 11:27 PM
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Originally Posted by Redrockunderpants View Post
If you only change the rear sprocket does it still mess up the speedo?
Yes... Any gear change will cause the speedo to read inaccurately. It will also cause the odometer to be off as well. Common fix is a speedo healer by Healtech or other comparable unit....
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