A beautifully, uniquely illustrated nautical guide to how to trim your sails and rig for maximum performance. With a revolutionary approach, this guide tackles the practical and realistic elements of tuning your boat, plus the theory of sail aerodynamics.See:

SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written...

Volvo/Penta Stern Drive 1992-03 Covers all Gas engine models powered by Ford and GM and includes all drive systems. Only Seloc manuals include Skill level Ratings (1 - 4 wrenches) based upon the degree of difficulty along with Special Tool icons where a OEM or electronic testing tool is required to...

SELOC Marine maintenance and repair manuals offer the most comprehensive, authoritative information available for outboard, inboard, stern-drive and diesel engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed an...

SELOC Marine maintenance and repair manuals offer the most comprehensive, authoritative information available for outboard, inboard, stern-drive and diesel engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed an...

SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written...

2 cylinder inline, 3 cylinder inline, V4, V6

Merc/Mariner/Yamaha 4 Stroke 1995-04 Covers all Yamaha/Mercury & Mariner 2.5 - 225 hp 1-4 Cylinder, V4 and V6 4-Stroke Models, including Jet Drives. Only Seloc manuals include Skill level Ratings (1 - 4 wrenches) based upon the degree of difficulty along with Special Tool icons where a OEM or electr...

Evinrude/Johnson Outboards

2 HP, 2.5 HP, 3 HP, 4 HP, Excel 4, Ultra 4, 4 HP Deluxe, 4.5 HP, 5 HP, 6 HP, 7.5 HP, 8 HP, 9.5 HP, 9.9 HP, 15 HP, 18 HP 20 HP, 25 HP, 28 HP, 30 HP, 35 HP, 40 HP (1973-1976, 1985-1990), Electrics

75 HP, 90 HP, 100 HP, 115 HP, 125 HP, 135 HP, 150 HP, 150 XR6, 150 Magnum III, 175 HP, 200 HP, 200 DFI, 225 HP, 250 HP, 275 HP, 65 Jet, 80 Jet, 105 Jet, 140 Jet

SELOC Marine maintenance and repair manuals offer the most comprehensive, authoritative information available for outboard, inboard, stern-drive and diesel engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed an...