Burt Munro spent 50 years turning a 1920 Indian Scout into a world-record streamliner. He hand-cast pistons with a bl...

The 1950 BMW R25 features a 247cc single-cylinder engine with a square 68 mm bore and 68 mm stroke. Utilizing an over...

Based on Hugh's HandBuilt specs, this configuration models a modified 1970-83 Yamaha XS650 with a 750cc big bore kit,...

Here is the Yamaha XVS650 Drag Star Classic's engine file, boasting an iconic four-stroke, air-cooled 70° v-twin desi...

Explore the 1980-84 BMW R80/7 motorcycle engine with this file, featuring an authentic cafe racer inspired exhaust so...