2007-2009 Yamaha F20 F20ELHF, F20ESHH, F20PLRF, F15MHF, and F20PRF Outboard Service Manual (P/N 6AG281972100)

• Official Yamaha publication P/N 6AG281972100 (3rd Edition, dated December 2008)
• Covers 2007–2009 Yamaha F20 and F15 outboard models, including F20ELHF, F20ESHH, F20PLRF, F15MHF, and F20PRF configurations
• Documents the complete 6AG and 6AH engine series lineup across 334 pages
• Features 103 exploded-view diagrams, 8 technical data tables, and 12 adjustment illustrations for precise component verification

Manual Content

Inside this factory reference, marine technicians and experienced mechanics will find the exact technical specifications required for the 2007–2009 Yamaha F20 and F15 four-stroke outboards. The documentation systematically breaks down the entire motor architecture. Sections progress from general maintenance schedules to intensive power unit teardowns and lower unit servicing. You will find exhaustive chapters dedicated to ignition system diagnostics, carburetor synchronization, fuel pump pressure testing, and timing belt replacement. Whether you are dealing with a standard tiller-steered F15MHF or diagnosing complex electrical faults on a remote-controlled F20PRF, the manual maps out every system to streamline workshop troubleshooting.

Specification and Reference Highlights

Precision requires accurate numbers. This publication delivers factory-approved tightening torque values for all major assemblies, ranging from the 27 Nm power unit mounting bolts up to the 108 Nm flywheel magnet nuts. It details exact fluid capacities, noting the 1.6-liter engine oil requirement and coolant system volumes. Mechanics can reference critical clearance tolerances for pistons, crankshaft journals, and the valve train. For instance, intake valve clearance parameters are clearly defined at 0.15–0.25 mm. Always exercise extreme caution when working on pressurized fuel lines and high-voltage ignition systems. Relieve line pressure before opening fuel circuits and disconnect battery leads prior to electrical testing to prevent severe injury. The data provided here serves strictly to outline the publication's technical depth; actual repair work should rely directly on the values printed in the purchased factory document.