To Next PageTo Next PageWhy does the engine speed of my Honda GX240RT2 Engine not increase or stabilize?
If the engine speed of your Honda Engine does not increase or stabilize, it may be due to a clogged air cleaner element. Also, the main jet may be blocked. It is also important to check the valve clearance for any abnormalities.
What to do if my Honda GX240RT2 is hard starting and there is no fuel?
If your Honda Engine is hard starting and there is no fuel, loosen the carburetor drain screw and check the fuel flow from the fuel tank.
General| Compression Ratio | 8.5:1 |
|---|---|
| Fuel System | Carburetor |
| Starting System | Recoil Starter |
| Lubrication System | Splash |
| Engine Type | 4-Stroke, OHV, Single Cylinder |
| Net/Max Power Output | 7.5 HP (5.5 kW) @ 3600 RPM |
| Fuel Tank Capacity | 5.3 L (1.4 US gal) |
| Ignition System | Transistorized Magneto |
| Weight | 25 kg (55 lbs) |
| Displacement | 242 cm³ (14.8 cu-in) |
General safety information and warnings for users.
Information related to service and repair procedures.
Importance of proper service for customer safety and product reliability.
Precautions for safe servicing practices.
Essential safety measures to follow before performing any task.
Manual covers service and repair for specific Honda engines.
Importance of safety messages and signal words (DANGER, WARNING, CAUTION).
Rules for using genuine parts, special tools, and proper procedures.
Explanation of symbols used throughout the manual for service procedures.
Location of serial number, type code, and model identification.
Model and P.T.O. type variations for different engines.
Physical dimensions and weight specifications for different engine models.
Detailed engine specifications for each model.
Graphs showing engine performance curves for different models.
Visual representations of engine dimensions for each model.
Dimensional drawings specific to Power Take-Off (P.T.O.) variations.
Maintenance standards and specifications for GX240 engine.
Engine torque values for various parts and fasteners.
Lubrication points and material recommendations.
Special tools required for service procedures.
Diagrams showing engine wire harness routing.
Schedule of periodic maintenance tasks and intervals.
Step-by-step guide to checking the engine oil level.
Procedure for draining and refilling engine oil.
Procedures for air cleaner maintenance for dual and cyclone types.
Procedure for cleaning the fuel sediment cup.
Steps for checking and adjusting spark plug gap.
Procedure for replacing the spark plug.
Spark arrester cleaning for solid protector type mufflers.
Procedure for checking and adjusting engine idle speed.
Procedure for checking and adjusting valve clearance.
Procedure for cleaning carbon deposits from the combustion chamber.
Procedure for cleaning the fuel tank and filter.
Inspection procedure for the fuel tube.
Essential checks and precautions before troubleshooting.
Troubleshooting guide for hard starting issues.
Troubleshooting steps for unstable or non-increasing engine speed.
Troubleshooting for engine not stopping when switch is off.
Troubleshooting for engine not stopping due to low oil level.
Tools required for fuel system service.
Procedures for removing and installing the fuel tank.
Procedures for air cleaner removal and installation.
Procedures for carburetor removal and installation.
Steps for disassembling and assembling the carburetor.
Procedures for choke diaphragm disassembly and assembly.
Cleaning procedures for the carburetor body.
Inspection steps for the carburetor.
Inspection steps for the choke diaphragm.
Procedure for replacing the pilot screw.
Procedure for replacing the choke set.
Procedure for replacing cylinder stud bolts.
Procedures for governor arm and control base assembly removal/installation.
Governor arm/control baseassy removal/installation for manual operation.
Governor arm/control baseassy removal/installation for fixed throttle.
Procedures for auto throttle removal and installation.
Control base assembly disassembly and assembly.
Procedure for adjusting maximum engine speed.
Inspection of the auto throttle solenoid.
Tools for charging system service.
System diagram for the charging system.
Preliminary checks before troubleshooting the charging system.
Troubleshooting guide for charging system faults.
Procedures for cooling fan and flywheel removal/installation.
Procedures for charge/power coil removal and installation.
Inspection procedures for charge and power coils.
System diagram for the ignition system.
Troubleshooting guide for ignition system problems.
Procedures for ignition coil removal and installation.
Steps for installing the ignition coil.
Procedure for performing a spark test.
Inspection procedure for the spark plug cap.
Inspection procedures for the ignition coil.
System diagram for the starting system.
Troubleshooting guide for starting system issues.
Procedures for recoil starter removal and installation.
Steps for disassembling the recoil starter.
Steps for assembling the recoil starter.
Inspection of the recoil starter.
Procedures for starter motor removal and installation.
Steps for starter motor disassembly and assembly.
Inspection procedures for starter motor components.
Procedure for replacing starter motor brushes.
Location of electrical components on the engine.
Procedures for control box removal and installation.
Control box disassembly and assembly steps.
Inspection of the oil level switch.
Inspection of the engine stop switch.
Inspection of the combination switch.
Inspection of the silicon rectifier.
Inspection of the circuit protector.
Inspection of the main fuse.
Inspection of the regulator/rectifier.
Tools for cylinder head and valve service.
Procedures for cylinder head removal and installation.
Steps for cylinder head disassembly and assembly.
Inspection of cylinder head and valves.
Procedures for replacing valve guides.
Procedure for reaming valve guides.
Procedures for reconditioning valve seats.
Tools for crankcase service.
Procedures for crankcase cover removal and installation.
Procedures for removing and installing crankshaft, balancer weight, and piston.
Procedures for installing balancer weight and camshaft.
Procedures for 1/2 or 1/6 reduction unit disassembly and assembly.
Disassembly/assembly for GX240 chain type reduction unit.
Disassembly/assembly for GX270 reduction unit with clutch.
Governor disassembly and assembly procedures.
Piston disassembly and assembly procedures.
Inspection of various crankcase assembly components.
Inspection of 1/2 or 1/6 reduction unit.
Replacement of crank/balancer bearings/oil seals on crankcase cover side.
Replacement of crank/balancer bearings/oil seals on crankcase cover side.
Replacement of crankshaft bearings on flywheel side.
Replacement of crank/balancer bearings/oil seals on cylinder barrel side.
Replacement of counter/P.T.O. shaft bearings/oil seals on gear case cover side.
Replacement of counter/P.T.O. shaft bearings on crankcase cover side.
Replacement of counter/P.T.O. shaft bearings on crankcase cover side.
Replacement of crank/P.T.O. shaft oil seals with clutch.
Procedures for muffler removal and installation.
Procedures for muffler cover removal and installation.
Procedure for replacing exhaust pipe stud bolts.
Guide on how to read wiring diagrams and related information.
How to interpret connector drawings and terminal numbering.
Wiring diagram for engines without a charge coil.
Wiring diagram for 1A/3A charge coil type engines.
Wiring diagram for 10A charge coil type engines.
Wiring diagram for 18A charge coil type engines.
Schedule of periodic maintenance tasks and intervals.
Procedure for valve clearance check and adjustment.
Procedure for cleaning combustion chamber.
Inspection of the fuel tube.
Preliminary checks before troubleshooting.
Troubleshooting guide for general symptoms.
Troubleshooting steps for hard starting issues.
Troubleshooting steps for engine speed issues.
Troubleshooting for engine not stopping when switch is off.
Troubleshooting for engine not stopping due to low oil level.
Procedures for fuel tank removal and installation.
Procedures for carburetor removal and installation.
Steps for carburetor disassembly and assembly.
Procedure for replacing the choke set.
Inspection of control motor and wax heater.
Outline of the STR governor system's technical features.
System diagram for the charging system.
Preliminary checks before troubleshooting the charging system.
Troubleshooting guide for charging system faults.
Procedures for charge/power coil removal and installation.
Inspection procedures for charge and power coils.
System diagram for the ignition system.
Troubleshooting guide for ignition system problems.
Procedures for ignition coil removal and installation.
System diagram for the starting system.
Troubleshooting guide for starter motor not operating.
Procedures for recoil starter removal and installation.
Steps for disassembling the recoil starter.
Steps for assembling the recoil starter.
Inspection of the recoil starter.
Procedures for starter motor removal and installation.
Steps for starter motor disassembly and assembly.
Inspection procedures for starter motor components.
Procedure for replacing starter motor brushes.
Location of control box and oil level switch.
Procedures for control box removal and installation.
Disassembly and assembly of the control box.
Procedures for oil level switch removal and installation.
Inspection of the regulator/rectifier.
Procedures for cylinder head removal and installation.
Procedures for crankcase cover removal and installation.
Procedures for crankshaft, balancer weight, and piston removal/installation.
Location of serial number, type code, and model identification.
Type codes for GX270UT2 and GX390UT2/T2 models.
Dimensions and weight specifications for GX270UT2 and GX390UT2 models.
Engine specifications for GX270UT2 and GX390UT2 models.
Dimensional drawings for GX270UT2 and GX390UT2 engines.
P.T.O. dimensional drawings for GX270UT2.
Maintenance standards and specifications for GX270UT2 engine.
Torque values for various engine parts.
Lubrication points and seal recommendations.
Harness and tube routing diagrams.
Preliminary checks before troubleshooting.
Troubleshooting guide for general symptoms.
Troubleshooting steps for engine speed issues on QZAV type.
System diagram for the charging system.
Preliminary checks before troubleshooting the charging system.
Troubleshooting guide for charging system faults.
Procedures for charge/power coil removal and installation.
Inspection procedures for charge and power coils.
