1975 Bertram 31 FLY Cruiser, EUR 125 000

Bertram 31 Flybridge Cruiser MOPPIE Deep V Classic with Documented 2026 Technical Investment

Price 125,000 EUR
EU VAT Paid
German Flag

The Bertram 31 Flybridge Cruiser is globally recognized as one of the most respected deep V offshore motorboats ever built. This 1975 example combines legendary sea keeping performance with documented technical upgrades and substantial recent investment.

Buyers searching for a Bertram 31 for sale in Europe will find here a structurally strong, professionally maintained and technically updated classic with clear history and documented expenditure.

The Bertram 31 was built in more than 2,500 units between 1968 and 1988 and is widely known as the mother of all seagoing fishing boats. The deep V hull design delivers outstanding performance in rough water and ensures stable, controlled cruising at speed.

Technical Specifications Bertram 31 Flybridge Cruiser

Year 1975
Length 9.50 m
Beam 3.40 m
Draft 1.14 m
Displacement approx. 6,000 kg
Hull GRP Deep V planing hull
Propulsion Twin inboard direct drive
Engines 2 x Yanmar 6LP STE Diesel
Power 2 x 300 HP
Engine year 2000 installed 2001
Engine hours 02 2026 Port 278.6 h Starboard 280.2 h
Fuel capacity 840 litres
Cruising speed approx. 25 knots
Maximum speed approx. 35 knots
Fuel consumption at cruise approx. 25 litres per hour total
EU VAT paid

Osmosis Protection and Hull Condition

In 2021 the underwater hull was professionally rebuilt by the renowned Peter Wrede shipyard in Germany. A seven year osmosis warranty was issued with certificate. Antifouling has been renewed and shafts, propellers and rudders treated with PropSpeed. All seacocks and through hull fittings were renewed. The underwater section is technically up to date.

Documented Technical Investment 2025 2026 Total 20,655.70 EUR

Between October 2025 and February 2026 extensive mechanical and technical works were carried out.

Both seawater cooling systems of the Yanmar engines were completely dismantled, chemically and mechanically cleaned and rebuilt using original Yanmar parts. All seals, wear parts and anodes were replaced. Sea trial performed with Yanmar technician.

During winter service both shafts were removed, CNC machined and dynamically balanced. New skeg bearings and stuffing boxes installed. Engines professionally realigned. New antifouling applied and propulsion system treated with PropSpeed. Electrical wiring between lower helm and flybridge renewed. Cockpit wood refinished. Stainless steel polished. Sea trial and final adjustments completed.

Total documented investment 20,655.70 EUR.

For the buyer this means no maintenance backlog and a technically revised propulsion system with transparent documentation.

Navigation and Electronics

SIMRAD NSS9 evo3S chartplotter with CHIRP sonar new 09 2023
AIRMAR B258 through hull transducer new 2023
Navionics MED charts current
Raymarine C120w multifunction display lower helm
Raymarine Autopilot SP70 with remote control
Raymarine AIS 500
Fishfinder DSM300 with AIRMAR B744v
Inverter 12 230 Volt 1,800 W
Shore power 230 Volt with charger
AGM starter and service batteries

Interior and Comfort

Forward cabin with two berths
New cushions 2021
Saloon seating for four
Galley with sink and cooker
Electric refrigerator
Electric toilet
New black water tank
Cockpit shower new 2023
New floor panels
LED lighting

Fishing Equipment

Original fighting chair
Two aluminium outriggers
Tuna tower dismantled and included
Large open cockpit working area
Transferable Spanish offshore fishing licence

Market Positioning

This Bertram 31 is not a standard used boat. The combination of osmosis protection, recent documented 2026 investment, overhauled propulsion system and modern electronics positions this vessel among the technically strongest Bertram 31 currently available on the European market.

For buyers looking to purchase a Bertram 31 with solid structural integrity, documented upgrades and reduced technical risk, this yacht represents a serious opportunity.

Viewings by prior appointment.

Contact
Tom Eugster
Yacht Broker
Nautic Mallorca
WhatsApp +34 650 814 884
www.nautic-Mallorca.com