Required for most 2- or 4-cylinder engines with single-fire ignitions
Required for most bikes equipped with fuel injection
Reduces needle fluctuation
Provides correct rpm display. Fits most accessory electronic tachometers. Required for most 2- or 4-cylinder engines with single-fire ignitions. Required for most bikes equipped with fuel injection. Reduces needle fluctuation. Has been redesigned for owners that have had tach bounce issues. in the past. This adapter is the cure for your tach bouncing headaches.