Illustration. Yours is cut to this boat’s measurements.Yamaha 25 Mk II Mainsail
A 13.0 m² cross-cut Dacron mainsail, cut to the 8.10 m luff and 2.75 m foot, with two reefs. Three leech battens and a full head batten as standard, or four full battens if you want it to stack neatly on the boom.
You choose: cloth (Optimum Cruise or C-Breeze), battens, build time.

