2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 287Get this manual
OUTLINE OF FEATURES New F15 (6AG) and F20 (6AH) realize compact and light weight design based on previous F15 (66M), and have the following featuresNew engine family between 15HP and 20HP Easier carrying, mounting and starting engine Low fuel consumption, Low emission confirmed with EPA2008, CARB 3-STAR, EU1, and JBIA (Japan) regulations Low noise, Low vibration Serviceability design Recyclable parts, 90 (weight comparison)
POWER UNIT Off-set crankshaft Sturdy top cowl Automatic decompression device Modularized intake components Idle silencer Flushing device Fuel cooler Storage basemounting brims Shift limiter Ergonomic designed manual starter Special coated steel gasket BRACKET UNIT Durable tiller handle mount structure 2-stage shallow water drive (mechanical tilt) Compact power tilt unit (same size as FT8T8) Steering friction device (same size as FT8T8) Large carrying handle