Craftsman Riding Mower Manual: A Comprehensive Guide
Welcome! This detailed manual assists new Craftsman 917 Manual Riding Mower owners, maximizing product performance and ensuring safe, efficient operation throughout its lifespan.
Congratulations on selecting a Craftsman Riding Mower! This machine represents a commitment to quality and performance, designed to make your lawn care tasks easier and more efficient. This manual serves as your primary resource for understanding, operating, and maintaining your new mower – specifically the Model 917 Manual.
Within these pages, you’ll find detailed instructions, safety guidelines, and troubleshooting tips. Familiarize yourself with all aspects of your mower before initial use. Proper operation and regular maintenance are crucial for longevity and optimal cutting results. We are confident that with this guide, you’ll enjoy years of reliable service from your Craftsman mower.
Safety Precautions & Warnings
Your safety is paramount! Before operating your Craftsman Riding Mower, carefully read and understand all safety precautions. Always disconnect the spark plug wire before performing any maintenance or adjustments. Never allow children to operate the mower, and keep bystanders clear during operation.
Wear appropriate safety gear, including eye protection and sturdy footwear. Avoid loose clothing. Never operate the mower under the influence of drugs or alcohol. Be aware of your surroundings and potential hazards. Inspect the lawn for obstacles before mowing. Following these warnings will help prevent serious injury.

Understanding Your Mower’s Components
Familiarize yourself with your mower! This section details the key components of your Craftsman Riding Mower. The engine provides the power, while the deck houses the blades for cutting. Controls manage speed, direction, and blade engagement. Understanding these elements is crucial for safe and effective operation.
Locate the fuel tank, oil dipstick, and battery. Identify the safety switches and emergency stop mechanisms. Knowing the function of each part will aid in maintenance and troubleshooting, ensuring your mower operates optimally for years to come.
Identifying Key Parts – Engine, Deck, Controls
Let’s pinpoint essential parts! The engine, typically a Briggs & Stratton or similar, powers the mower. The deck, usually steel, contains the rotating blades. Controls include the steering wheel, throttle, brake pedal, blade engagement lever, and height adjustment.
Locate the oil fill and drain plugs on the engine. Identify the blade spindle locations under the deck. Familiarize yourself with the function of each control before operation. Proper identification ensures correct maintenance and safe handling of your Craftsman riding mower.
Decoding the Model and Serial Number
Understanding your mower’s identification! The model number (like 917.271430) specifies features and parts compatibility. The serial number, a unique identifier, indicates the manufacturing date and can be crucial for warranty claims and service history.
Locate these numbers on a decal, typically found under the seat or on the mower’s frame. Record both numbers for future reference. When contacting Craftsman support or ordering parts, providing these numbers ensures you receive the correct assistance and components for your specific mower.

Assembly Instructions

Carefully unpack and inspect all components! Before beginning, ensure you have all parts listed in the parts diagram. Assembly typically involves attaching the steering wheel, securing the seat, and connecting the discharge chute. Use the provided hardware and tools; avoid over-tightening bolts.

Refer to the detailed diagrams for proper alignment and attachment points. If you encounter difficulty, double-check the instructions or contact Craftsman support. Proper assembly is crucial for safe and effective operation. Take your time and follow each step meticulously.
Attaching the Steering Wheel & Seat
Steering Wheel Installation: Align the steering wheel with the steering column and securely fasten it using the provided bolt and washers. Ensure proper tightness for responsive steering. Seat Attachment: Position the seat onto the mounting plate, aligning the bolt holes.
Fasten the seat using the supplied bolts, ensuring it’s firmly secured. Double-check all connections before operation. A loose steering wheel or seat can compromise safety. Refer to the diagrams for correct orientation and torque specifications. Proper installation guarantees comfortable and safe mowing.
Connecting the Discharge Chute
Chute Attachment: Carefully align the discharge chute with the mower deck’s discharge opening. Ensure the chute’s mounting brackets engage securely with the deck’s designated slots. Securing the Chute: Utilize the provided clamps or bolts to firmly attach the chute.
Tighten all fasteners to prevent detachment during operation. A properly connected chute directs clippings away from the operator and bystanders. Incorrect installation can lead to debris hazards. Verify a snug fit before each use. Refer to the illustrations for correct positioning and securement procedures.
Pre-Operation Checks
Essential Checks: Before each mowing session, perform crucial pre-operation checks to guarantee safe and efficient performance. Fluid Levels: Verify adequate oil, fuel, and coolant levels, replenishing as needed. Component Inspection: Thoroughly inspect belts for wear and tear, and blades for sharpness and damage.
Ensure all guards and shields are securely in place. Confirm the steering and braking systems function correctly. A proactive approach to maintenance prevents unexpected breakdowns and ensures a smooth mowing experience. Prioritize safety by addressing any issues before starting the engine.
Checking Fluid Levels (Oil, Fuel, Coolant)
Oil Check: With the engine cold, use the dipstick to verify oil levels, adding SAE 30 oil if necessary. Fuel Check: Ensure sufficient fuel is present, using unleaded gasoline with an octane rating of 87 or higher. Coolant Check: Inspect the coolant level in the radiator or overflow reservoir, adding a 50/50 mix of coolant and water if low.
Maintaining proper fluid levels is critical for engine longevity and optimal performance. Regularly check these levels before each use to prevent damage and ensure reliable operation.
Inspecting Belts and Blades
Belt Inspection: Examine drive and deck belts for cracks, fraying, or excessive wear. Replace damaged belts immediately to maintain proper functionality. Blade Inspection: Carefully inspect blades for dullness, bends, or damage. Sharpen dull blades or replace damaged ones for a clean, efficient cut.
Regularly inspecting belts and blades is crucial for safety and mowing quality. A damaged belt or blade can cause injury or poor performance, so prioritize these checks.
Starting and Stopping the Engine
Engine Start-Up: Before starting, ensure the parking brake is engaged and the blades are disengaged. Follow the specific cold or warm start procedures outlined in this manual for your Craftsman model. Engine Shut-Down: To stop, disengage the blades, slowly reduce the throttle, and turn the ignition key to the ‘OFF’ position.
Always adhere to the proper starting and stopping procedures to prevent damage and ensure safe operation. Never attempt to start or stop the engine while standing near the discharge chute.
Cold Start Procedure
Initial Steps: For a cold start, ensure the fuel valve is open and the choke is engaged. Turn the ignition key to the ‘START’ position, holding it until the engine cranks and attempts to ignite. If it doesn’t start within 10 seconds, release the key and repeat, potentially adjusting the choke slightly.

Once running, gradually disengage the choke. Allow the engine to warm up for a few minutes before engaging the blades or operating the mower. Always prioritize safety during the starting process.

Warm Start Procedure
Engine Already Warm: When restarting a warm engine, the choke is typically not required. Turn the ignition key to the ‘START’ position and hold until the engine engages. A warm engine should start almost immediately with minimal cranking.
Avoid prolonged cranking, as this can overheat the starter motor. If the engine fails to start after a few attempts, briefly check the fuel level and ensure the spark plug is clean. Prioritize safety and consult the troubleshooting section if issues persist.
Operating Instructions
Before Each Use: Always inspect the mowing area for obstacles like stones, toys, or wires. Ensure all shields and guards are securely in place. Familiarize yourself with the mower’s controls – steering, speed, and blade engagement – before starting.
Begin mowing slowly, gradually increasing speed as you become comfortable. Overlapping each pass slightly ensures a clean, even cut; Remember to disengage the blades when traversing non-grass areas and always follow safety guidelines.
Mowing Techniques for Optimal Results
Achieving a professional lawn finish requires strategic mowing. Utilize a slight overlap with each pass – approximately 2-3 inches – to prevent scalping and ensure complete coverage. Vary your mowing pattern each time to avoid soil compaction and promote healthy grass growth.
For exceptionally tall grass, raise the cutting height initially, then gradually lower it over subsequent mowings. Avoid mowing wet grass, as it can clog the deck and result in an uneven cut.
Adjusting Cutting Height
Your Craftsman riding mower features an easily accessible cutting height adjustment lever, typically located near the fender. This lever controls the vertical position of the mower deck. Consult the diagram in the “Understanding Your Mower’s Components” section for precise location.
Multiple height settings are available, ranging from low for a closely manicured lawn to higher settings for longer grass or uneven terrain. Always disengage the blades and shut off the engine before adjusting the cutting height.
Maintenance Schedule
Regular maintenance is crucial for optimal performance and longevity of your Craftsman riding mower. This schedule outlines essential tasks categorized by frequency. Weekly, inspect belts for wear and tear, and clean the mower deck.
Monthly, check and top off all fluid levels – oil, fuel, and coolant. Annually, perform a comprehensive inspection, including blade sharpening or replacement, and a thorough cleaning. Following this schedule prevents costly repairs and ensures years of reliable service.
Regular Maintenance Tasks (Weekly, Monthly, Annually)
Weekly tasks include a visual inspection for loose bolts, cleaning the underside of the deck to prevent rust, and checking tire pressure for even mowing. Monthly, change the oil if usage is heavy, inspect the air filter, and grease all lubrication points.
Annually, replace the spark plug, fuel filter, and thoroughly inspect all belts and pulleys. Don’t forget to sharpen or replace the blades for a clean cut! Consistent upkeep extends your mower’s life.
Blade Sharpening and Replacement
Sharp blades are crucial for a clean cut and healthy lawn. Regularly inspect blades for dullness, nicks, or damage. Sharpening can be done with a file or grinding wheel, ensuring balanced sharpening to prevent vibration.
Replacement is necessary for severely damaged blades. Always disconnect the spark plug before working on the blades! Use appropriate torque when reinstalling, and ensure blades are correctly aligned. Safety glasses and gloves are essential during this process.

Troubleshooting Common Issues
Encountering problems? This section addresses frequent issues. If the engine won’t start, check fuel levels, the spark plug, and ensure the safety switch is engaged. Mower deck problems, like uneven cutting, often stem from dull or damaged blades, or a clogged deck.
Always refer to the detailed sections for specific solutions. If issues persist, consult a qualified technician. Never attempt repairs beyond your skill level, prioritizing safety at all times.
Engine Won’t Start
Frustrated by a non-starting engine? First, verify sufficient fuel and check the fuel shut-off valve. Inspect the spark plug for fouling or damage; replace if necessary. Ensure the safety interlock switch is fully engaged – a common culprit! Confirm the battery is charged and connections are clean and tight.
If still failing, examine the air filter for obstructions. A clogged filter restricts airflow. Consult the detailed diagrams for component locations. Never attempt to bypass safety features.
Mower Deck Problems
Experiencing issues with the mower deck? Uneven cutting often stems from dull or damaged blades – sharpen or replace them promptly. Check for obstructions underneath the deck, like accumulated grass clippings or debris. Inspect the deck belt for wear, cracks, or breakage; a slipping belt causes poor performance;
Verify the deck height adjustment lever is securely locked in your desired position. Always disconnect the spark plug before inspecting or working on the mower deck for safety!
Belt Replacement Guide
Replacing a worn belt requires careful attention. First, disconnect the spark plug wire! Locate the belt routing diagram – often found on the mower’s frame or in this manual. Remove any covers or guards obstructing access to the belt. Carefully note the belt’s path before removal for correct reinstallation.
Use the correct replacement belt specified for your model. Ensure the new belt is seated properly in all pulleys, checking for alignment. Reinstall guards and covers securely before operating the mower.
Winter Storage Preparation
Preparing your Craftsman for winter is crucial for spring reliability. First, stabilize the fuel with a fuel stabilizer product to prevent degradation during storage. Drain or stabilize fuel if prolonged storage is anticipated. Disconnect the battery and store it in a cool, dry place, periodically charging it to prevent sulfation.
Clean the mower deck thoroughly, removing grass clippings and debris. Apply a protective coating to metal surfaces to prevent rust. Store the mower in a sheltered location, covered to protect it from the elements.
Fuel Stabilization and Battery Care
Proper fuel management prevents carburetor issues during storage. Add a fuel stabilizer to the gas tank before the final mow of the season, running the engine briefly to circulate it. For extended storage, draining the fuel system is recommended. Regarding the battery, disconnect the negative terminal to prevent discharge.
Store the battery in a cool, dry place, ideally on a trickle charger to maintain its charge throughout the winter months. Regularly check the battery’s voltage and charge as needed to avoid permanent damage.
Warranty Information
Your Craftsman Riding Mower is covered by a limited warranty, protecting against defects in materials and workmanship. The duration varies based on the specific model and components – typically, the engine has a separate warranty period than the mower chassis. Please retain your purchase receipt as proof of date of purchase, essential for any warranty claims.

The warranty does not cover items damaged through misuse, improper maintenance, or normal wear and tear. For complete details, including specific coverage terms and claim procedures, refer to the separate warranty document included with your mower.
Contacting Craftsman Support
Need assistance? Craftsman provides multiple avenues for support regarding your riding mower. For frequently asked questions and troubleshooting guides, visit the official Craftsman website. You can also reach our dedicated customer service team via phone during business hours – the number is listed in this manual and online.

For more complex issues or warranty claims, a detailed online form is available on the Craftsman website. Please have your model and serial number ready when contacting support to expedite the process. We are committed to ensuring your satisfaction!