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Honda GX120 User Manual

Honda GX120
65 pages
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Honda GX120 Specifications

General IconGeneral
Bore x Stroke60 mm x 42 mm
Compression Ratio8.5:1
PTO Shaft RotationCounterclockwise (from PTO shaft side)
Air CleanerDual element
Ignition SystemTransistorized magneto
Starting SystemRecoil starter
Fuel SystemCarburetor
Lubrication SystemSplash
Engine Type4-stroke, single cylinder, overhead valve (OHV)
Displacement118 cm3
Net Power Output2.6 kW (3.5 HP) at 3, 600 rpm
Net Torque7.3 Nm (5.4 lbs ft) at 2, 500 rpm
Dimensions (L x W x H)305 mm x 355 mm x 355 mm (12 in x 14 in x 14 in)

Summary

INTRODUCTION

Safety Information Guidance

Explains safety symbols, warnings, and how to interpret safety information.

ENGINE SAFETY

IMPORTANT SAFETY INFORMATION

General safety guidelines and warnings for engine operation and maintenance.

Carbon Monoxide Hazard

Information on the dangers of carbon monoxide from exhaust gas and precautions.

CONTROLS & FEATURES

Oil Alert® System Function

How the Oil Alert® system prevents engine damage from low oil levels.

BEFORE OPERATION

IS YOUR ENGINE READY TO GO?

Importance of checking engine condition before starting for safety and longevity.

Engine Condition Inspection

Steps for checking engine oil, transmission oil, air filter, and fuel level.

OPERATION

SAFE OPERATING PRECAUTIONS

Key safety warnings, including carbon monoxide and general operation advice.

STARTING THE ENGINE

Step-by-step guide for starting the engine, including choke and throttle settings.

STOPPING THE ENGINE

Procedures for safely stopping the engine under normal and emergency conditions.

SERVICING YOUR ENGINE

THE IMPORTANCE OF MAINTENANCE

Why regular maintenance is crucial for safety, economy, and performance.

MAINTENANCE SAFETY

Critical safety guidelines to follow before and during maintenance tasks.

MAINTENANCE SCHEDULE

A detailed schedule of maintenance items and their recommended service intervals.

REFUELING PROCEDURES

Instructions and warnings related to safely refueling the engine.

ENGINE OIL LEVEL CHECK

How to check the engine oil level using the dipstick.

ENGINE OIL CHANGE

Step-by-step guide for draining and refilling engine oil.

TAKING CARE OF UNEXPECTED PROBLEMS

Engine Will Not Start Troubleshooting

Common causes and corrections for an engine that fails to start.

Engine Lacks Power Troubleshooting

Identifying and resolving issues when the engine lacks power.

Fuse Replacement (QXE2 Type)

Procedure for replacing the fuse in the electric starter circuit for QXE2 models.

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