J/125 Detailed Review

If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of J/125. Built by J Boats and designed by Rod Johnstone, the boat was first built in 1997. It has a hull type of Fin w/bulb & spade rudder and LOA is 12.5. Its sail area/displacement ratio 30.11. Its auxiliary power tank, manufactured by Yanmar, runs on Diesel.

J/125 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about J/125 and decide if it is a fit for your boating needs.

Boat Information

Boat Specifications

LOA:12.5 m / 41.01 ft
Rigging Type:Fractional Sloop
Hull Type:Fin w/bulb & spade rudder
S.A. (reported):71.72 m2 / 771.99 ft2
Draft (max):2.41 m / 7.91 ft
Displacement:3787 kg / 8348.90 lbs
Ballast:2107 kg / 4645.13 lbs
Ballast Type:Lead
Last Built:2003
Designers:Rod Johnstone
LWL:11.28 m / 37.01 ft

Sail Boat Calculation

Comfort Ratio:14.56
Capsize Screening Formula:2.09

Rig And Sail Specs

I:14.94 m / 49.02 ft
S.A. Fore:13.87 m / 45.51 ft
E:5.49 m / 18.01 ft
S.A. Fore:33.69 m2 / 362.64 ft2
S.A. Main:38.04 m2 / 409.46 ft2
S.A. Total (100% Fore + Main Triangles)71.73 m2 / 772.10 ft2

Auxillary Power Tank

Fuel:76 L / 20.08 gals


Water:83 L / 21.93 gals


Builders:J Boats
Designers:Rod Johnstone


Who designed the J/125?

J/125 was designed by Rod Johnstone.

Who builds J/125?

J/125 is built by J Boats.

When was J/125 first built?

J/125 was first built in 1997.

How long is J/125?

J/125 is 11.28 m in length.

What is mast height on J/125?

J/125 has a mast height of 13.87 m.

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