Astec RIB Yamaha 350 V8 July 31, 2017February 8, 2023 Karel Overlaet, RIB Advocate This Astec RIB is powered by a Yamaha outboard 350 HP V8 for the Guardia Civil Geas operating at Altea, Alicante (Summer 2014). Others Also Read...Ballistic 12.5 m RIB by Ben Rogerson Yacht DesignMadera RIBs MRC1250 with 4 x 350 HP YamahaHydrogen and Electricity Basic Pros and ConsRibeye A683 Custom RIB with Yamaha 250 V6