About
Reviews (2)

Jul 22, 2020
Good so far
Seems to be perfect fit for my Echo SRM 2400.
It was easy to install and seems to work ok. I have not yet had the opportunity to feed any new line into it as it came already loaded. I have only used it once so far since receiving, but so far so good.

Aug 13, 2020
Easy to use and works well
My new lawn mower sounded like it was running slow and was therefore not cutting well. Bought this to check the rpms. This tach was easy to use and worked well. I just wrapped the wire around the spark plug wire about 4-5 times and used a piece of electrical tape to hold it in place, started the mower and it instantly told me the rpms. I was right, it was running slow. After a few adjustments I had the rpms in the range that the owners manual suggested. It now cuts a little better.
I bought this device because I wanted to make the adjustments correctly so I wouldn't cause any damage to the engine by setting rpms too high.
Great little device for only about $10, so worth it.