Tacho, complete with mounting bracket R - 2.36" Tacho electronical Black face NoteFits motorcycles with points ignition. The motorcycle must have 1 coil for 2-cylinders, so also works on 4 cylinder engines that work with 2 coils. The motorcycle must have a pulse rate of 16.6Hz at 10.000RPM (check the electrical section in your workshop manual or ask your motorcycle dealer)