Pint-Sized Racer: 2006 Yamaha TZ125 for Sale

Unlike the roadgoing, but still-sporty TZR series, Yamaha’s TZ bikes were track-only motorcycles with performance far exceeding what road riders might expect from their diminutive displacements and dimensions: technically, the Yamaha TZ125 isn’t even pint-sized as this post title implies, since Google reliably informs me that a pint is actually 473cc, and even a cup…