Just curious, I'm a toal newb with gears. Where do you add the shims?/What tool do you use to measure the spacing?
Check this out and do a bit of reading. Setting up gears is not as difficult as most think. Just use the right tools and patience.
http://www.gearinstalls.com/ ![Beer Chug\'n :beerchug:](https://board.marlincrawler.com/Smileys/marlin/beerchug.gif)