Universal fits most motorcycle models such as Honda Yamaha Kawasaki Suzuki etc.
Input Voltage: DC 12V, Tachometer Measurement:0-13000RPM.
Material: stainless steel; mirror diameter 58mm; outer diameter 68mm.
Wire connection??long red-positive; long black- negative; short black-power/ignition lock positive; short green- ground; yellow/black- engine signal.
Package Includes:1 ?? tachometer; 1 ?? manual. Product Description
Silver stainless steel construction
Input Voltage: DC 12V
Measurement: 0~13000RPM
Size: 60mm x 56mm (2-3/8″ x 2-3/16″)
Mirror Diameter: 57mm(2-5/8″); Outer Diameter: 68mm(2-5/8″)
Wire connection:
Two long wires for lamp: long red ?C positive, long black ?C negative.
Three short wires: short green ?C ground, short black ?C power/ignition lock positive, yellow/black ?C engine signal (some models need to attach high voltage signal line)