Tach'd out

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.