Indmar Assault 325 MPI Marine Engine – Reliable Power, Built for Performance! Take your boating experience to the next level with the Indmar Assault 325 MPI, a marine engine celebrated for its exceptional quality, durability, and performance. Whether you're powering a ski boat, wakeboard boat, or cruiser, this engine is built to deliver reliable performance and fuel efficiency, ensuring you get the most out of every moment on the water. Designed with user-friendly maintenance and environmental responsibility in mind, the Assault 325 MPI stands out as a top choice for boat owners who value performance and sustainability.