Spirit of The Seventies' Yamaha street tracker

Sometimes it’s the relatively simple custom jobs that are the most effective. And this street tracker from London-based Spirit of The Seventies illustrates the point. Spirit III is based on a 1978 Yamaha XS650, and once again, SOTS have got the paintjob exactly right, with a high-impact retro look. But it’s not all about the show: this street tracker has been rebuilt in the name of ‘adding lightness’ and improving the handling. The frame has been de-lugged, shortened and powdercoated, and fitted with lightweight bodywork. The engine internals are stock, but breathing has been improved by the most cost-effective way...