Editing Variable valve timing (section)

====Motorcycles====
Variable valve timing has been applied to motorcycle engines but was considered a non-useful "technological showpiece" as late as 2004 due to the system's weight penalty.<ref>{{cite book|title=Motorcycle Fuel Injection Handbook
|first=Adam |last=Wade|publisher=MotorBooks International|isbn=1610590945|year=2004|pages=149–150|url=https://books.google.com/books?id=wC2dThrY2BMC&pg=PA149}}</ref> Since then, motorcycles including VVT have included the [[Kawasaki 1400GTR|Kawasaki 1400GTR/Concours 14]] (2007), the [[Ducati Multistrada 1200]] (2015), the [[BMW R1250GS]] (2019) and the [[Yamaha YZF-R15]] V3.0 (2017), the Suzuki GSX-R1000R 2017 L7, the Moto Guzzi V85TT, the Harley Davidson Milwaukee-Eight, the KTM 1390 Super Duke.