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I recently purchased a used and abused Woods 2855 mower with a Kohler M18S engine. The manual states the engine should run a 3600 RPM with no load. It seems like the engine is running too slow.
What kind of tach do I use to measure the RPM?

Thanks for the help.

This website might help you. Small Engine Technical Forum • View topic - Small engine tachometer

I use a Briggs VibraTach. Cost about $35. Some say it is a pain to use, but because you don't need batteries or hookup wires, you can use it anywhere. Once you learn how to use it, you will amaze you buddies. Really doesn't take long to learn.

Northerntool.com has a nifty little tachometer that is very simple to install and use. All you do is choose a mounting spot, if you want to mount it at all, then wrap an attached small gauge wire around one of the spark plug wires. It is completely self contained with its own battery, and as a bonus it doubles as a hour meter. I think it costs around $50. The only downside is the battery is said to be good for 5 years and is non-replaceable, so when the battery goes down, you have to replace the entire unit.

i bought a sundec at a box store i leave in my toolbox for checking rpm on everything,it was 29.00 but was yrs ago

328 EZ tach-plus off EBay this summer 50.00 dollars Works but very touchy

lostinbaja said:

I recently purchased a used and abused Woods 2855 mower with a Kohler M18S engine. The manual states the engine should run a 3600 RPM with no load. It seems like the engine is running too slow.
What kind of tach do I use to measure the RPM?

Thanks for the help.

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Saw this on Amazon. Under $15.00. No wires.
CyberTech Digital Photo Tachometer Non Contact Tach

I'll be buying the fast tech soon. Its the first one.

Design Technology, Inc., Home of the Tiny-Tach - More Tachometers