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General| Compression Ratio | 8.3:1 |
|---|---|
| PTO Shaft Rotation | Counterclockwise (from PTO shaft side) |
| Cooling System | Forced air |
| Ignition System | Digital CDI with variable timing |
| Lubrication System | Forced lubrication with trochoid pump |
| Engine Type | 4-stroke, OHV |
| Displacement | 670 cm³ |
| Bore x Stroke | 77 x 72 mm |
| Oil Capacity | 1.9 L |
| Starting System | Electric starter |
| Net Power Output | 22.1 HP at 3600 RPM |
Discusses essential safety precautions for operating the engine and potential hazards.
Provides critical safety guidelines for engine operation, including owner responsibilities and hazard warnings.
Illustrates and labels the various components and controls of the engine for easy identification.
Details the function and operation of the engine's control mechanisms like switch, choke, and throttle.
Highlights key features of the engine, such as Oil Alert, fuel-cut solenoid, and oil cooler.
Guides users through pre-operation checks to ensure the engine is in proper working condition.
Outlines checks for engine oil, air filter, and fuel level before starting.
Advises checking associated equipment for safety and readiness before engine startup.
Lists safety precautions to be followed during engine operation, including warnings about carbon monoxide.
Provides step-by-step instructions for starting the engine using choke and throttle controls.
Details the procedure for starting the engine using the electric starter and its limitations.
Explains the correct procedure for stopping the engine under normal and emergency conditions.
Describes how to adjust engine speed using the throttle lever for desired performance.
Emphasizes the necessity of regular maintenance for engine performance, longevity, and safety.
Outlines safety precautions to be observed during maintenance procedures to prevent injury.
Presents a schedule for routine maintenance tasks and intervals based on usage.
Specifies the recommended type of unleaded gasoline for the engine.
Provides step-by-step instructions on how to properly check the engine oil level.
Details the procedure for draining and refilling the engine oil.
Explains the steps for safely removing and replacing the engine oil filter.
Recommends specific types, grades, and classifications of engine oil for optimal performance.
Guides on inspecting and cleaning the air filter elements for proper airflow.
Provides instructions for servicing the air cleaner and its filter elements for optimal engine performance.
Details how to inspect the fuel filter for water accumulation or sediment.
Explains how to inspect, clean, gap, and replace spark plugs for proper ignition.
Describes the maintenance procedure for the spark arrester, if equipped.
Provides guidance on proper preparation and procedures for storing the engine.
Explains how to use fuel stabilizer to prevent fuel deterioration during storage.
Details the process of draining fuel from the tank and carburetor for storage.
Lists precautions to take when storing the engine to prevent rust, corrosion, and ignition hazards.
Provides steps for preparing the engine after a period of storage.
Offers advice on safely transporting the engine and equipment.
Lists common causes and their corrections for an engine that fails to start.
Provides troubleshooting steps for an engine experiencing a loss of power.
Details the procedure for identifying and replacing the engine's fuse.
Shows where to find the engine's serial number for identification and service.
Explains how to correctly connect the battery for the electric starter system.
Illustrates how to connect remote throttle and choke cables to the engine controls.
Details linkage for remote throttle and manual choke control arrangements.
Explains linkage for manual throttle and choke control arrangements.
Discusses carburetor adjustments for optimal performance at high altitudes.
Provides information on using gasolines blended with alcohol or ether compounds.
Explains the engine's emission control system and its importance for compliance.
Lists symptoms related to emission control system issues and recommends dealer inspection.
Recommends using genuine Honda parts for emission system maintenance and repair.
Explains the Air Index label and its meaning for emissions performance and durability.
Lists technical specifications for the GX610-QDW engine model.
Lists technical specifications for the GX620-QDW engine model.
Provides tune-up specifications, including spark plug gap and valve clearance.
Lists technical specifications for the GX670-TAF engine model.
Provides tune-up specifications for the GX670 engine.
Presents the wiring diagram for the 3 A charge coil and switch box type engine.
Presents the wiring diagram for the 20 A charge coil and switch box type engine.
Lists additional publications available for maintaining and repairing the engine.
Mentions the shop manual for skilled technicians covering maintenance and overhaul procedures.
Refers to the parts catalog for complete, illustrated parts lists.
Explains how to get warranty service and whom to contact for support.
Summarizes fuel type and octane requirements for the engine.
Summarizes engine oil type, grade, and capacity for quick reference.
Provides quick reference for spark plug type and electrode gap specifications.
Summarizes carburetor idle speed and routine maintenance checks.
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