- Stock #410116 - Powerful 650HP twin engines and beefy outdrives. Great hull for high speed cruising The timeless heritage of the FORMULA family of watercraft is exemplified in this 1992 FORMULA 336-SR1. Manufactured when hand-laid fiberglass hulls were the trademark of craftsmanship and quality, this high-performance hull still tames the waves and seems to move across the water at high speeds effortlessly. According to the seller: The twin 516 CU IN engines from TEAGUE CUSTOM MARINE crank out a whopping 650hp each, and are mated with Bravo One XR outdrives. Our seller says the engines... read more