just won one on ebay for less then 13 bucks shipped. dont even know the name of the company that makes it but it was cheap enough to take a chance on..
here is some information on it, when i get it in i will post pictures and pictures of the install as well as a review of how it performs..
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It will show both engine rpm and hours of operation
It will read up to 99,999 rpm
Instructions included. Very easy to install, just 2 wires;
Wrap first wire around your spark cable, connect second wire anywhere on the engine or frame.
Programmable maintenance interval setting.
No more guessing for the oil change.
It will work on any 4 stroke or 2 stroke gas powered engine.
Replaceable internal battery rated for 35,000 hour of operation
http://cgi.ebay.com/ebaymotors/Hourm...ts_Accessories