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Old 10-12-2012, 10:29 PM   #21
RedDevil154
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Originally Posted by Whitevenum View Post
Interesting. So if i get the driven 520 with -1 front and stock t45 the bike will have a better launch? What if i get the t47 rear, what effects will happen there?

Yes you will have better take off with the -1 up front and you will have even more take off with +2 in the back. Keep in mind, going -1 up front is like going +3 in the rear just to give you an idea.

The smaller up front, more take off with less top end. The bigger up front less take off with more top end.

Opposite for the rear. The bigger you go in the rear, the more take off with less top end. The smaller you go the less take off and and more top end.

Last edited by RedDevil154; 10-12-2012 at 10:34 PM.
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Old 10-12-2012, 10:48 PM   #22
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I see, so maybe ill just try out the -1 front and stock rear first. See how i like it, i dont want to over kill it. Thanks
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Old 10-21-2012, 07:19 AM   #23
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What is the stock size in the front??


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Old 10-21-2012, 07:24 AM   #24
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What is the stock size in the front??


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Depends on what year. I think 04 and up use a 17 tooth up front and 03 down use a 16. But I'm not 100%. Somebody will chime in that knows. 07 up definelty uses 17 tooth just not to certain about the older ones.
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Old 10-21-2012, 08:35 AM   #25
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What is the stock size in the front??
Quote:
Originally Posted by RedDevil154 View Post
Depends on what year. I think 04 and up use a 17 tooth up front and 03 down use a 16. But I'm not 100%. Somebody will chime in that knows. 07 up definelty uses 17 tooth just not to certain about the older ones.
Always go to http://www.gearingcommander.com and look it up You can play with the gearing there too and see what difference it makes. If trying to determine top speed (theoretical or otherwise) make sure to change the RPM in the green custom section to your rev limiter (13750).

-Jamie M.
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Old 11-07-2012, 08:07 PM   #26
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Can someone tell me the number of links I would need when I go -1 front +2 in the back?
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Old 11-07-2012, 08:10 PM   #27
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Can someone tell me the number of links I would need when I go -1 front +2 in the back?
where do you want your wheelbase to be??

Stock length will still work
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Old 11-07-2012, 08:12 PM   #28
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where do you want your wheelbase to be??

Stock length will still work
Yep, stock/120 will still work but she'll be at the front of the swingarm/adjusters. You can do 122 to have the wheelbase longer (the wheel will be around .65" farther back).

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Old 11-07-2012, 10:53 PM   #29
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Best never to count links. Just get the chain a bit longer then you know you'll need and then install the new sprockets, put the rear wheel where you want it (normally closest to the front of the bike), wrap the new chain around, and then physically see where to cut the chain while remember you need chain slack as well.
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Old 11-07-2012, 10:54 PM   #30
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We have a chart of stock gearing we keep on our website.

https://www.motomummy.com/stock_gearing.html

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What is the stock size in the front??


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