XL500S 1980 (A) USA

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XL500S 1980 (A) USA

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Introduced in 1979, in response to Yamaha’s XT500 this single overhead camshaft engine with a four valve twin port head bought big 500cc four strokes right back to the position they once held with the British machinery of the 1950’s.

With a full 31bhp @ 6500rpm and weighing a fairly stealthy 131kg this big thumper soon became a top seller, and not just in North America, the model found favour, just like the XT 500 Yamaha in Europe and the U.K as well.

Development took it closer to a full out competition enduro machine, and in it’s penultimate 1883 from adopted a far more efficient disc brake, which it sorely needed, the old expanding drum not being up to the job of slowing this charger when blasting down a steep incline. It bowed out in 1984, giving way to the new XL600,