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Formula 311 SR1 Power Boat For Sale

By November 2, 2023November 9th, 2023No Comments

running video October 2023 in lake Hopatcong



Formula 311 Sr1 Power Boat for sale from Weekend Rides

Named Powerboat of the year in its introduction by Powerboat magazine the Formula flagship was the  showcase for advanced technology and exceptional performance which defines the Thunderbird/Formula boat company. Formulated as result of a 1969 merger between two American power boat companies, the Formula name serves as the brand name while Thunderbird represents the company as a whole. Offering a wide model range, boat types available through the Formula brand includes bow riders, sport boats, cruisers and yachts. Thunderbird/Formula’s reputation in the recreational boat market is unsurpassed in quality and workmanship.


Formula 311 SR1 Power Boat for sale from Weekend Rides

Formula 311 SR1 Power Boat for sale from Weekend Rides front seats

big blocks

new Holley 750 carbs

new Holley 750 carbs


launched into Lake Wallenpaupack

Click Here for Formulas launched into Lake Wallenpaupack

rear view

rear view


Formula SR311 Power Boat for sale from Weekend Rides

Formula SR311 Power Boat for sale from Weekend Rides

This SR311 is the flagship of legendary quality boat builder Formula Marine.

Currently being offered by Rick Bolus, the Formula is being offered for sale with or without its tri axle Galvanized roller trailer with all new tires and brakes, new master cylinder.  Both Boat and trailer have titles.

The Formula Sr311 has two fresh big block 7.4 engines both with new holley 750s and roller cams,  with under 20 hours on the port side engine.

The starboard engine was replaced and installed September of 2023 by KTM marine in Lake Hopatcong, it was fully rebuilt by S&S Speed shop of Kingston Pa and had only a few break in hours.

It has GIL exhaust, new sea strainers, new fuel pumps, new exhaust manifolds, new alternators and new starters.  Outfitted with TRS Drives, the SR1 also has performance flow cones on the lower units.

Owner is interested in upgrading to a larger boat.  The 311 has an integrated swim platform, with its original thru transom exhaust.  A high output audio system with blue tooth, I pod dock.  Last used in Fresh water on Lake Wallenpaupack the Formula is available now and can be delivered anywhere at the new owners expense.  A Tri-axle galvanized roller trailer has fresh bearings brakes and tires, it can be included in its sale.  The cabin is clean comfortable and has shore power, included is its original cocktail table.
Ask any questions to Rick Bolus at 570.503.1700