Yamaha XS 850 – 4E2 Service Data: Oil, Battery & Specs

While the late 1970s were dominated by the ‘Universal Japanese Motorcycle’ (UJM) inline-four formula, the Yamaha XS 850 (4E2) represents a sophisticated engineering detour. A…

While the late 1970s were dominated by the ‘Universal Japanese Motorcycle’ (UJM) inline-four formula, the Yamaha XS 850 (4E2) represents a sophisticated engineering detour. A…