470 Tuning Guide Quick Tuning Guides: N14-L18 Mainsail N13-L12 Mainsail N13-L16 Mainsail N12-L9B Mainsail N10-L5 main N10-L5(H) main N9-L5 main L5-N15 Mainsail See also: Tips for Adjusting the Bolt Rope on Your 470 Mainsail
