Target audience:
Boat owners, marine mechanics and technicians servicing or repairing the 9.9LJ
Market position:
Portable-class 9.9 hp outboard for small craft, tenders and trolling use
Key advantage:
Factory Yamaha service information, not a generic third-party guide
Key features:
Step-by-step repair instructions with illustrations, photos and exploded views
Key features:
Detailed wiring diagrams
Key features:
Troubleshooting diagnostics for fuel, power unit, lower unit, bracket and electrical systems
Manual type:
Factory service, repair and maintenance manual
Coverage areas:
General information, periodic inspection and adjustments, fuel system, power unit, lower unit, bracket unit, electrical system
Page count:
N/A - page count not stated in the source description
Delivery method:
Instant download
General information:
Specifications, service data and general service procedures
Periodic inspection and adjustments:
Scheduled maintenance, adjustments and inspection points
Fuel system:
Carburetion, fuel delivery and related components
Power unit:
Powerhead assembly, internal engine components and repair procedures
Lower unit:
Gearcase, water pump and related drive components
Bracket unit:
Mounting bracket, tilt and swivel components
Electrical system:
Ignition, charging and starting circuits
Step-by-step instructions:
Included for repair and maintenance procedures
Illustrations and photos:
Included throughout the procedures
Exploded views:
Included for component breakdown and reassembly
Wiring diagrams:
Detailed diagrams included
Troubleshooting diagnostics:
Included for fault isolation and diagnostics
Technical depth:
Factory service level - component removal, inspection, repair and reassembly
Parts information:
Exploded views and component identification support parts ordering
Intended use:
Owner, mechanic and technician maintenance, repair and overhaul
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine type:
Yamaha 9.9 hp outboard, 1986 model year
Engine options range:
Single 9.9 hp outboard powerhead for this model
Fuel system:
Yamaha outboard carbureted fuel system; exact jetting and settings in the manual
Cooling:
Water-cooled via lower unit water pump
Lubrication:
N/A - exact specification is given in the manual
Exact displacement and bore/stroke:
N/A - not stated in the source description
Standard transmission:
Forward, neutral and reverse gearcase
Optional transmission:
None offered for this model
Final drive:
Lower unit gearcase with water pump
Controls:
Throttle and shift linkage; adjustment procedures covered in the manual
Propeller:
N/A - pitch and size not stated in the source description
Length:
N/A - not stated in the source description
Wheelbase:
N/A - not applicable to an outboard motor
Dry weight:
N/A - not stated in the source description
Shaft length:
N/A - not stated in the source description
Curb weight:
N/A - not applicable to an outboard motor
Crash test ratings:
N/A - not applicable to an outboard motor
Active safety features:
N/A - not applicable to an outboard motor
Passive safety features:
N/A - not applicable to an outboard motor
Engine cut-off:
N/A - not stated in the source description
Safety maintenance:
Periodic inspection and adjustment procedures are included in the manual
Audio system:
N/A - not applicable to an outboard motor
Infotainment:
N/A - not applicable to an outboard motor
Driver assistance:
N/A - not applicable to an outboard motor
Electrical system:
Ignition, charging and starting systems covered in the manual
Diagnostics:
Troubleshooting diagnostics and wiring diagrams included
Service intervals:
Periodic inspection and adjustment schedule covered in the manual
Gearcase lubricant:
N/A - exact specification is given in the manual
Engine oil:
N/A - exact specification is given in the manual
Fuel system care:
Carburetor and fuel delivery service procedures included
Water pump:
Impeller service covered under lower unit procedures
Common wear items:
Water pump impeller, spark plugs, fuel and ignition components
Maintenance procedures:
Step-by-step instructions with illustrations and exploded views
