- Hour meter keeps track of important maintenance times for oil changes, valve adjustments, spark plugs and more
- Usable with any gas engine
- Records and displays up to 9,999.9 hours; hours automatically roll over
- Includes log book to note oil changes, service intervals, etc.
- Peel and stick or attach with supplied hardware
- Connects to spark plug wire, so no batteries are needed
- Safely and completely encased in 100% epoxy
- Hour/tach meter adds the ability to check engine rpm; works with any gas engine up to two cylinders at speeds up to 20,000 rpm
- Firing pattern: 1 spark = 1 rpm; resolution in 10-rpm increments
- Made in the U.S.A.
just wrap it around you spark plug cable and go, great for tuning, or tracking maintenance intervals