Target Audience:
Boat owners, marine mechanics, and technicians performing their own service and repairs
Brand Standing:
Tohatsu is a long-established Japanese marine engine manufacturer supplying outboards worldwide
Class:
Mid-size two-stroke outboard suitable for light commercial, fishing, and recreational craft
Construction:
Robust construction with efficient power delivery for dependable on-water use
Fuel System Coverage:
Manual covers the complete fuel system, including carburetor service
Powerhead Work:
Full powerhead overhaul procedures included
Lower Unit:
Gearcase service and repair procedures included
Trim and Tilt:
Trim and tilt system diagnosis and repair covered
Starter System:
Hand rewind starter covered in detail
Maintenance Procedures:
Tune-ups scheduled service and routine maintenance
Fuel System:
Fuel system inspection, cleaning, and repair
Ignition and Electrical:
Ignition and electrical systems diagnosis and testing
Lubrication and Cooling:
Lubrication and cooling system service
Powerhead:
Powerhead overhaul and reassembly
Lower Unit:
Lower unit gearcase service and repair
Trim and Tilt:
Trim and tilt system service
Rewind Starter:
Hand rewind starter repair and assembly
Tools and Equipment:
Required tools and equipment listed
Tightening Torques:
Torque specifications provided
Glossary:
Glossary of technical terms included
Master Index:
Master index for quick reference
Manual Type:
Service and repair manual
Delivery Method:
Instant download
Page Count:
N/A - exact page count not specified
General Engine:
Specifications, tune-up, and general service data
Fuel System:
Fuel pump, lines, carburetion, and fuel delivery
Ignition System:
Ignition components, timing, and testing
Electrical System:
Charging, starting, and wiring circuits
Lubrication System:
Oiling and lubrication circuit service
Cooling System:
Water pump, impeller, thermostat, and cooling passages
Powerhead:
Disassembly, inspection, overhaul, and reassembly
Lower Unit Gearcase:
Gearcase disassembly, inspection, and reassembly
Trim and Tilt:
Power trim and tilt system service
Hand Rewind Starter:
Rewind starter disassembly and repair
Tune-Up:
Scheduled tune-up procedures with specifications
Diagnosis:
Troubleshooting and fault diagnosis guidance
Adjustments:
Linkage, cable, and system adjustments
Torque Sequences:
Tightening torques for fasteners throughout the engine
Dissassembly and Assembly:
Step-by-step component removal and installation
Skill Level:
Intended for owners, mechanics, and technicians
Specifications:
Component specifications and service limits included
Reference Tools:
Special tools and equipment identified
Component Identification:
Parts and components identified within procedures
Part Numbers:
N/A - exact part numbers not stated in source description
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:
Two-stroke, three-cylinder outboard
Displacement:
N/A - not specified for this model
Cooling:
Water-cooled via impeller pump
Fuel System:
Carbureted fuel system
Operating Range:
N/A - not specified for this model
Starting:
Manual hand rewind starter covered in the manual
Standard Transmission:
Forward, neutral, and reverse mechanical gearcase
Optional Transmission:
N/A - no optional transmission offered
Gearcase:
Lower unit gearcase service covered in the manual
Shifting:
Mechanical shift linkage with cable control
Trim and Tilt:
Trim and tilt system service included in the manual
Lubrication:
Gearcase lubricant service procedures covered
Wheelbase:
N/A - not applicable to an outboard motor
Overall Length:
N/A - shaft length varies by model variant
Shaft Lengths:
Available in multiple shaft lengths depending on hull application
Steering:
Tiller or remote steering depending on configuration
Curb Weight:
N/A - exact dry weight not stated in source description
Mounting:
Transom-mounted outboard installation
Engine Protection:
Cooling system service procedures support overheat prevention
Kill Switch:
Emergency stop lanyard provision typical of outboard installations
Warning Systems:
N/A - specific warning system details not stated
Cowl:
Protective engine cowling over the powerhead
Mounting:
Transom clamp and bolt mounting for secure installation
Crash Test Information:
N/A - not applicable to outboard motors
Ignition:
Magneto ignition system covered in the manual
Charging:
Charging system service covered in the manual
Wiring:
Electrical wiring circuits and testing covered
Infotainment:
N/A - not applicable to an outboard motor
Driver Assistance:
N/A - not applicable to an outboard motor
Controls:
Remote or tiller control configuration with trim and tilt
Tune-Up:
Scheduled tune-up procedures detailed in the manual
Water Pump Impeller:
Regular inspection and replacement recommended for cooling reliability
Gearcase Lubricant:
Periodic draining and refilling per manual procedure
Engine Lubrication:
Two-stroke oil mixed with fuel or injected per engine configuration
Gearcase Oil:
Lower unit gear lubricant per manufacturer specification
Fuel:
N/A - exact octane and mix ratio not stated in source description
Known Issues and Wear Items
Cooling System:
Impeller wear is a common wear item requiring periodic service
Fuel System:
Carburetor fouling and fuel line deterioration are common service points
Ignition:
Spark plug and ignition component wear addressed in the manual
Starter:
Hand rewind starter mechanism wear covered in the manual
Reputation:
Long-established manufacturer of marine outboard engines
Production Span:
All production years covered by this manual
Design Focus:
Reliability and efficient power delivery for varied marine applications
Production Location:
N/A - not stated in source description