Bones Posted March 22, 2010 Share Posted March 22, 2010 Hello guys, i have a 73 TX500, i'm looking to change both my tach and speedo to a smaller mini gauge set up. My question is what raio speedo do i need to use. 1:1 OR 2:1 or maybe something different? also will any aftermarket tach be the same as long as the cable fits? Or is there a certain ratio i need to use? Thanks for any advice you have. Link to comment Share on other sites More sharing options...
akuma481 Posted November 8, 2011 Share Posted November 8, 2011 hello, i'm trying to do the same thing w/ my TX500. have you had any luck, have you made the swap?? Link to comment Share on other sites More sharing options...
Moderator drewpy Posted November 8, 2011 Moderator Share Posted November 8, 2011 I think its 2230 to 60mph its called. that's what I have on my tracker and its accurate! Link to comment Share on other sites More sharing options...
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