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Old 07-15-2013, 09:53 AM   #4252
wmaxj
n00b
 
Joined: Nov 2009
Location: Utah, Wyoming, Arizona
Oddometer: 1
Just a little help

First off what a great site and resource, thanks to all that have posted! I have tried to digest all 284 pages but need a little help. I just purchased a 2013 exc 500. I have the following questions:

1. I want to do the desmog, so I can use the 3.5 KTM gas tank. Some of the post say to remap, some it would appear leave the stock mapping program. My dealer won't do a remap. Is it OK to desmog and us the stock mapping?

2. On re-gearing, most of the posts say to go with a 13 or 14 CS and 48 rear, will the stock chain work with the new setup?

Thanks for you help,
Gray headed old fart
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