Written by Marlon Slack
Barcelona?s Ad Hoc are a company after our own heart here at Pipeburn. They make bold custom bikes with huge swathes of colour based around all kinds of platforms. They?ve done Dukes, they?ve done BMW?s but some of our favourite work are those bikes built around modern platforms. Here they?ve wheeled out another fantastic roadster, their 28th build, based on a Yamaha MT-03.

If you?re new to the bike market and scratching your head at this bike, that?s because the MT-03 originally came with a different powerplant to how it now rolls off the showroom floor. The original, and our pick of the pair, is the one powered by the big thumping single taken from the XT660 range of enduro bikes. Nowadays it?s kicked along by Yamaha?s 321cc inline twin. How?s that for a downgrade" Bike’s original radiator shrouds were put on a diet
But back to the bike. Compared to some of the projects that Ad Hoc Cafe Racers have worked on the #28 is fairly light on when it comes to extreme fabrication. And head of the workshop, David Gonzalez, doesn?t mind it that way. ?Not all the projects that enter the workshop are for a complete remodelling,? he says. ?Besides, in this case it wasn?t necessary either, since both the tires and the fuel tank were perfect for us?.

What the team was trying to continue was a theme started by one of their previous builds, a XSR700 dubbed ?Otokomae?. Created as part of Yamaha?s Yard Built series of bikes it was a stripped-back roadste...