Koso DL Style Universal Electronic Tachometer Features Stainless steel body with easy to read digital display with blue back-light Digital display shows tachometer with 0-1800 rpm range and water temperature Adjusts to all engines Works with single or dual fire ignition Has a 2.15 diameter without bezel and a 2.4 diameter with the bezel Includes gauge bracket and water temperature sensor Handlebar bracket 560-407