To rev an engine out past the reading capabilities of it's tachometer. This often happens in built 4 cylinder engines that have been designed to rev past normal engine limits, sometimes past 11,000 RPMs. This problem is often resolved by putting a monster 5" tach on the dash. Installing this equipment is also common among ricers who want their car to seem fast.
Damn son!!! I dropped a new built b18 in my EG hatch and I tach out everytime I hit the gas!!! Honda power!!!
by Da C-Rob February 13, 2010
Get the Tach Out mug.The term "Tach'd out" refers to motorcycle racing, in doing so reaching high speeds, this leads to "taching" the motorcycle out, or better known as, reaching it's top speed, maximum potential. No harm can come from taching out a motorcycle, except for blown engines improperly tuned, and death, from crashing.
Their ZX10R tach'd out at 189mph
We tach'd out going over the bridge
Our bikes can't tach out right now due to their break in periods.
We tach'd out going over the bridge
Our bikes can't tach out right now due to their break in periods.
by motorcyclerunner September 18, 2023
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