oaktown1987 82 #1 Posted January 3, 2014 anyone know whats the smallest tach is and anyone know where to get a tach to test rpm on small engine Share this post Link to post Share on other sites
Jim_M 178 #2 Posted January 3, 2014 Buy a non contact tach and some reflective tape. Those tiny tachs are slow to respond and not very dependable. There are tons of non contact tachs on ebay. Harbor frieght sells one that seems to work good. Share this post Link to post Share on other sites
baerpath 517 #3 Posted January 3, 2014 Even the cheap harbor freight non contact ones work well Share this post Link to post Share on other sites
WH nut 553 #4 Posted January 10, 2014 This is what I use http://www.treysit.com/16.html Share this post Link to post Share on other sites