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Yamaha F80B Service Manual

Yamaha F80B
249 pages
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F80B
F100D
SERVICE MANUAL
6D9-28197-3G-11

Table of Contents

Other manuals for Yamaha F80B

Questions and Answers:

Yamaha F80B Specifications

General IconGeneral
Engine Type4-Stroke
Power Output80 HP
Cylinder ConfigurationIn-line 4
Starting SystemElectric
Gear Ratio2.15:1
Full Throttle RPM Range5000-6000 RPM
Displacement1832 cc
Fuel Induction SystemEFI (Electronic Fuel Injection)
Ignition SystemTCI
Alternator Output35A
Propeller Shaft Length20" (L), 25" (XL)
Recommended FuelRegular unleaded gasoline
SteeringRemote
Bore x Stroke81.0 mm x 88.9 mm (3.19 in x 3.50 in)

Summary

General Information

Safety While Working

Details safety procedures for fire prevention, ventilation, self-protection, and working practices.

Predelivery Checks

Details essential checks for the fuel system, engine oil, battery, and other components.

Specifications

Tightening Torques

Specifies tightening torques for fuel system, power unit, lower unit, and bracket unit components.

Periodic Checks and Adjustments

Power Unit

Cylinder Head Service

Covers removal, inspection, and installation of cylinder head components like valves and camshafts.

Cylinder Block Service

Details disassembly and inspection of cylinder bore, pistons, rings, crankshaft, and bearings.

Lower Unit

Shimming and Backlash Adjustment

Explains procedures for selecting and installing shims for pinion and forward gear backlash.

Bracket Unit

Power Trim and Tilt System

Covers removal, disassembly, checking, and assembly of the power trim and tilt unit and motor.

Electrical Systems

Ignition and Ignition Control System

Details checks for spark, wires, coils, ECM, pulser coils, sensors, and switches.

Troubleshooting

Yamaha Diagnostic System

Provides an overview of the diagnostic system features, functions, and hardware requirements.

Power Unit Troubleshooting

Guides on diagnosing and resolving issues with the engine not cranking or starting.

Bracket Unit Troubleshooting

Provides troubleshooting steps for power trim and tilt unit operation and shift mechanism issues.

Electrical System Troubleshooting

Guides on diagnosing electrical issues such as weak batteries or charging system faults.

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