mechanical tach drive ratios

moshpete

New Member
can anybody help me out im trying to replace the stock tach and speedo on my 77 xs360 2d with some dime city or similar small guages but i dont know the drive ratio i need! 1:4 1:5 tach ? anyone help me out with this ive had no succes with my searches.

thanks pete


apparently 5:1 for 70s yamaha and suzuki with a few exceptions
 
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