G650 Xchallenge (2007) reviewUpdated: 19 Sep 2018 BrandBMWCategoryEnduroEngine Capacity652ccPrice£5,930.00ProsRotax engine is tough, typical BMW build quality.ConsLumpy power delivery, overweight, uncomfortable.In This ArticleMPGpricereviewfor saleforumspecstop speedspecificationsbhphorsepowerpictures Previous V-Max 1700 (2009 - present) review Next GV250 EFI review Subscribe to our NewsletterGet the latest motorcycling news, reviews, exclusives and promotions direct to your inboxFor more information, read our Privacy Policy Leave this field blank