1991 Formula 311 SR-1

1991 Formula F-311 SR1 - Brokerage Boat #JA-TB-91

Twin 380 HP Eagle Power • Freshwater Boat • Custom Trailer • Classic High-Performance Formula

Turn heads at the dock and on the water with this exceptionally clean 1991 Formula F-311 SR1, now available through B & E Marine. This classic high-performance Formula has spent its life in freshwater and remains in outstanding condition for its age, combining timeless offshore styling with serious performance and desirable upgrades.

Powered by Twin Eagle 8.1L 502 CID Mercury Bravo 1 Stern Drives rated at 380 HP each, this Formula delivers exhilarating acceleration, impressive top-end speed, and the legendary ride quality Formula performance boats are known for. The engines reportedly have only 180 hours since replacement and feature extensive updates including new Holley carburetors, calibration work, and new exhaust manifolds. A new battery charger was installed in 2021, and the boat also includes a 2024 survey for added buyer confidence.

Finished with a clean white hull and custom Imron graphics, this F-311 SR1 has the unmistakable look of a classic offshore performance boat. The included 1991 Eagle custom painted tri-axle trailer with surge brakes and electric winch makes transporting and storing this boat simple and convenient.

Whether you're running the Chicago lakefront, cruising Lake Michigan, attending poker runs, or collecting classic performance boats, this Formula offers a rare opportunity to own a well-kept freshwater example of one of Formula's iconic performance models.

Specifications

• Length Overall: 31'
• Beam: 8'4"
• Fuel Capacity: 150 Gallons
• Fresh Water Capacity: 12 Gallons
• Holding Tank Capacity: 5 Gallons

Features & Equipment

• Twin Eagle 8.1L / 502 CID Mercury Bravo 1 Stern Drives (Twin 380 HP)
• Approximately 180 Hours on Replacement Engines
• New Holley Carburetors
• Engine Calibration Updates
• New Exhaust Manifolds
• 2024 Survey
• 1991 Eagle Custom Painted Tri-Axle Trailer
• Surge Brakes
• Electric Winch
• Cockpit Cover
• Convertible Top
• Carbon Monoxide Detection System
• Swim Platform
• Spare Props
• Dual Battery Switch
• Porta Potti with Pumpout
• Pressure Water System
• Refrigerator / Freezer
• Speedometer, Depth Finder & Hour Meter Gauges
• VHF Radio
• Trim Tabs
• Stereo System with CD Player
• Single 30 AMP Shore Power
• Safety Gear Included
• Drive showers

The Formula F-311 SR1 is widely respected for its deep-V offshore hull, aggressive styling, and high-performance handling characteristics. Clean freshwater examples like this are becoming increasingly difficult to find, especially with upgraded power and a matching custom trailer.

If you are searching for a classic Formula performance boat for sale near Chicago, a freshwater offshore performance boat in Northern Indiana, or a collectible high-performance cruiser for Lake Michigan boating, this 1991 Formula F-311 SR1 deserves serious attention.

Contact B & E Marine today for pricing, availability, and additional details on this rare brokerage Formula performance boat.

B & E Marine is celebrating 73 years of serving the boating community on the Southern Tip of Lake Michigan. B & E is only 38 Miles from Chicago and offers complete Marine Service, Accessories, Mercury Parts, Gas Dock, Slips and Heated & Cold Storage. B & E Marine is a dealer for Sea Ray, Navan, Boston Whaler, Yamaha Jet Boats, and offers a large selection of Used & Brokerage Boats.

Disclaimer: The information provided about this boat may not be accurate, or up to date. It is recommended that you confirm the information with one of our sales consultants, or refer to the manufacturer for accurate information regarding options, specifications and technical data on this boat. Any decisions made based on the information provided are at your own risk.