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Suzuki DF 40 User Manual

Suzuki DF 40
405 pages
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99500-87J00-01E

Table of Contents

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Suzuki DF 40 Specifications

General IconGeneral
Displacement941 cc
Starting SystemElectric
No. of Cylinders3
SteeringRemote
Gear Ratio2.27:1
Alternator Output12V 19A
Engine Type4-Stroke, DOHC
Maximum Output40 hp
Fuel SystemMulti-Point Sequential Electronic Fuel Injection
Shaft LengthS: 381 mm, L: 508 mm
Oil Capacity2.7 L

Summary

GENERAL INFORMATION

WARNING/CAUTION/NOTE

Special information signals for hazards and important notes.

FUEL AND OIL

Recommendations and specifications for fuel and engine oil.

SPECIFICATIONS

Technical data for dimensions, weight, performance, and powerhead.

SERVICE DATA

Key performance and operational data for service checks.

TIGHTENING TORQUE

Specified torque values for important fasteners during assembly.

PERIODIC MAINTENANCE

ENGINE OIL / ENGINE OIL FILTER

Procedures for checking and changing engine oil and filter.

OIL PRESSURE

Test procedure for checking engine oil pressure.

CYLINDER COMPRESSION

Test procedure for measuring cylinder compression.

ENGINE CONTROL SYSTEM

ELECTRONIC FUEL INJECTION SYSTEM

Overview of the speed-density, multi-point, sequential fuel injection system.

CAUTION SYSTEM

Explanation of the four caution systems alerting the operator to abnormalities.

SELF-DIAGNOSTIC SYSTEM

System alerts for abnormalities with fault codes and flashing patterns.

ELECTRICAL

ELECTRIC STARTER SYSTEM

Circuit diagram and explanation of the electric starter system.

TROUBLESHOOTING

Troubleshooting flowchart for electric starter system issues.

STARTING MOTOR

Removal and installation procedures for the starter motor.

FUEL SYSTEM

PRECAUTION ON FUEL SYSTEM SERVICE

Safety precautions for servicing the fuel system.

FUEL PRESSURE RELIEF PROCEDURE

Procedure to safely relieve fuel pressure before service.

FUEL INJECTOR

Inspection, removal, and installation procedures for fuel injectors.

POWER UNIT

POWER UNIT

Procedures for removing the entire power unit.

CYLINDER HEAD ASSEMBLY

Procedures for removing, assembling, disassembling, and inspecting the cylinder head.

CYLINDER / CRANKSHAFT / PISTON

Disassembly, inspection, and reassembly procedures for cylinder, crankshaft, and piston.

POWER TRIM AND TILT

LOWER UNIT

GEARS- SHIMMING AND ADJUSTMENT

Adjusting gear contact and backlash using shims.

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