Custom Triumph Grand Prix 1947 Triumph Grand Prix 1947 SPECIFICATIONS, PRICE & IMAGES Engine: parallel twin 500 c.c. o.h.v.; valve operation by Ignition: magneto. Transmission: chain via four-speed gearbox. Frame: cradle type with single down-tube and twin Forks: telescopic. Bike Features More Bike Specifications:Kawasaki GPz 750 Turbo (ZX750-E1) PrototypeHusqvarna Roadster Concept by Shantanu JogKawasaki KLX 125Yamaha SR 400 "Indy Mile" by GasolinaDucati Multistrada 1200 S Tricolore by MotovationKawasaki VN 650 Vulcan S CaféKawasaki KLR 650Kawasaki VN 1700 Vulcan Nomad