The mad scientists at ICON Motosports spend their days concocting motorcycle gear that runs the gamut from stealthy to totally outrageous. And when they’re not busy with that, they’re hard at work in their Portland garage building wild custom motorcycles to match.
Meet Quarterflash: an 8-bit dream wrapped in a flurry of neon hues, named after a band that came out of Icon’s hometown in the 80s. A little outlandish and extremely saucy, it’s just the sort of custom build that we’d expect from Portland’s finest.

And if you’re thinking that this machine sits a little low for a full-faired sportbike, you’re not wrong. That’s because Quarterflash didn’t start its life as some four-cylinder screamer, but rather as a mild-mannered Kawasaki Z125. If you don’t know the Z125, it’s pretty much Kawasaki’s answer to the Honda Grom; pint-sized and ready to play. In stock form, the Z125 cranks out 9.5 hp and weighs just 225 lbs. But Quarterflash has spent an inordinate amount of time in the gym, to help unleash its full potential.

The Tennessee-based small-bore parts specialist, MNNTHBX, had something to do with it. They supplied a 155 cc big-bore kit with an upgraded crank, plus their MTake intake (think of it as a ‘big breather’ for a Grom).
ICON also slapped on a full Yoshimura exhaust system, then installed a Dynojet Power Commander and AutoTune kit. With a little fettling, Quarterflash now s...