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General| Model Number | 917.378641 |
|---|---|
| Category | Lawn Mower |
| Type | Walk-Behind |
| Engine | Briggs & Stratton |
| Engine Type | 4-Cycle |
| Cutting Width | 21 inches |
| Cutting Height | 1.25 - 3.75 inches |
| Cutting Height Positions | 6 |
| Drive System | Self-Propelled |
| Speed Settings | Variable Speed |
| Fuel Tank Capacity | 1.6 quarts |
| Oil Capacity | 20 oz |
| Mulching Capability | Yes |
| Bagging Capability | Yes |
| Side Discharge Capability | Yes |
| Engine Power | 6.75 ft-lbs Torque |
| Wheel Size | 11 inches (rear), 8 inches (front) |
Details essential safety guidelines for operating the lawn mower, including handling foreign objects and safe practices.
Provides specific instructions and cautions for mowing on inclined surfaces to prevent accidents.
Highlights the importance of operator alertness and keeping children away from the mowing area.
Covers safe practices for handling gasoline and other fuels, including storage and refueling.
Lists essential specifications such as oil type, capacity, spark plug, and torque settings.
Information on purchasing and benefits of extended warranty and repair protection plans.
Details performance and maintenance accessories available for the lawn mower, not included with purchase.
Guides on removing the mower from its packaging and preparing it for first-time use.
Familiarizes users with the mower's components, controls, and safety symbols before operation.
Explains how engine speed is adjusted using the throttle for different cutting conditions.
Details safety features and operation of the self-propelled drive system, including tension adjustment.
Guides on how to adjust the mower's cutting height for desired lawn appearance.
Instructions for converting the mower to bagging and procedures for adding oil and gasoline.
Guides on starting the engine, general mowing advice, and specific tips for mulching.
Outlines the recommended maintenance tasks and their frequency for optimal mower performance.
Details lubrication points, types of lubricants, and specific instructions for wheel bearings.
Guidance on maintaining tires and cleaning drive wheels to ensure proper function.
Instructions for removing, replacing, and sharpening the mower blade for optimal cutting performance.
Advice on caring for the grass catcher, including cleaning and replacement considerations.
Details engine oil requirements, checking levels, and procedures for changing engine oil.
Instructions for cleaning or replacing the air filter to ensure proper engine operation.
Guidance on inspecting the muffler and replacing the spark plug for engine health.
Procedures for cleaning grass and debris from the mower housing and drive cover.
Instructions for replacing the drive belt and adjusting the mower handle position.
Details on factory-set engine speed and carburetor adjustability, recommending professional service.
Steps for preparing the lawn mower for seasonal storage, including cleaning and lubrication.
Addresses common causes and corrections for the lawn mower failing to start.
Solutions for common mowing problems like loss of power, uneven cuts, and difficulty pushing.
Diagnoses and fixes for vibration, starter rope problems, grass catcher issues, and drive system slowdowns.
Exploded views and part lists for the main lawn mower components, aiding in identification and ordering.
Diagrams and part lists for the mower's drive system and gear case assembly.
Detailed diagrams and part lists for the Briggs & Stratton engine, covering various assemblies and components.
