Custom Moto Guzzi Ayrton Senna 20th Anniversary Tribute Bike by Marcus Walz Moto Guzzi Ayrton Senna 20th Anniversary Tribute Bike by Marcus Walz SPECIFICATIONS, PRICE & IMAGES Bike Features More Bike Specifications:Kawasaki BJ 250 Estrella CustomKawasaki KDX 220RThe "Nickel Bike" by Cook CustomsYamaha XS650 and XSR700 Yamaha Yard Built by Greg HagemanKawasaki W2 650SSWunderlich S 1000 RR “Curarê”Yamaha R1 Custom "Fatty" by SpeedconceptsKawasaki KLX 250R