Works Connection Hour MeterResettable maintenance timer Five mode display screens Tach displays running engine's RPM Records max RPM from current ride and Auto Resets at next ride Hour meter tracks total run time Clock features 12 or 24 hour operation Works on Fuel injected carbureted 2 Strokes 4 Strokes from 1 to 8 cylinders Large, easy to read LCD screen in a sleek, compact design Measures up to 19999 RPM and tracks total hours up to 99999 Compatible with stock ignition