Bigger Is Better, Behold the 2017 Aprilia Dorsoduro 900 For the 2017 model year, the Aprilia Dorsoduro 750 gets an upgrade to 900cc, making it the 2017 Aprilia Dorsoduro 900. Aprilia says that the new 896cc 90° v-twin engine is a stroked out version of the 750cc motor (from 56.4mm to 67.4mm), which allows Aprilia…