Great to use on any 2-Stroke or 4-Stroke engine. Electric clock keeps time only while engine is running. It starts counting when it feels electrical pulse through spark plug wire and shuts itself off when the pulses stop. Helps monitor service intervals. DR.D Hour Meter starts working after 6 minutes, and every 6 minutes after that.
Installs in minutes
Monitors service intervals
Works on any running motor
Great for all outdoor recreational vehicles