Yamaha XSR700 "Apex Ruler" Will Give You Goosebumps, Rides on Carbon Fiber Hoops
autoevolution 5 May 2021, 18:00 UTC · by 11 photos Among the recent entries on the official Yard Built website, we spotted a breathtaking XSR700-based warrior that goes by the name of “Apex Ruler.” The authors behind this glorious piece of two-wheeled machinery are the German craftsmen over at Marcus Walz’s WalzWerk-Motorcycles. As to the donor, it comes to life thanks to a liquid-cooled DOHC parallel-twin engine, with four valves per cylinder and a displacement of 689cc. At 9,000 spins per minute, this bad boy is capable of supplying up to 74 wild ponies, while a peak torque o...