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General| Engine Type | 4-Cycle |
|---|---|
| Cutting Width | 21 inches |
| Engine Displacement | 149cc |
| Starter Type | Recoil |
| Warranty | 2-Year Limited |
| Engine | Kohler |
| Drive System | Self-propelled |
| Cutting Height | 1.25 - 3.75 in |
Explains the safety symbols used in the manual and provides important safety considerations for operation and maintenance.
Provides guidelines for using Lawn-Boy 2-Cycle Ashless Oil and avoiding damaging substances.
Specifies recommended fuel types and warns against unacceptable fuels like those with high ethanol content.
Lists fastener torque specifications for various engine and mower components.
Provides steps for adjusting the governor lever and spring for proper engine RPM.
Describes the solid-state electronic CD ignition system components and operation.
Provides diagnostic flowcharts for troubleshooting ignition system issues.
Explains the function of interlock switches and their role in engine operation safety.
Offers guidance for diagnosing and resolving issues with the mower's interlock system.
Offers a chart to diagnose common problems related to blade performance and cutting quality.
Troubleshooting steps for engines that won't start or start with difficulty.
Addresses issues related to starting the engine when it is hot.
Troubleshooting steps for diagnosing and resolving engine knocking sounds.
Provides solutions for engines that miss or run unevenly when under load.
Diagnoses and resolves issues causing the engine to lack power.
Troubleshooting steps for an engine that is overheating.
Addresses causes and solutions for engines that surge or run unevenly.
Troubleshooting steps for excessive engine vibration.
