Craftsman Engine Operator's Manual

The Craftsman Engine is a reliable power source designed for various equipment such as lawn mowers, pressure washers, and generators. This manual covers essential safety guidelines, operational procedures, maintenance schedules, and troubleshooting steps to ensure optimal performance and longevity of your engine. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

Safety Information

Read and understand all safety warnings before operating the engine. Failure to follow instructions may result in serious injury or property damage.

WARNING! Engine exhaust contains carbon monoxide, a poisonous gas. Operate only in well-ventilated areas.

Engine Features & Specifications

Key components: Air-cooled 4-stroke engine, recoil starter, fuel tank, oil fill cap, air filter, muffler, and spark plug.

Pre-Operation Checklist

Inspect the engine and equipment before each use to ensure safe and efficient operation.

1. Check Oil Level: Ensure oil is at the full mark on the dipstick. Add if necessary.
2. Check Fuel Level: Fill tank with fresh, clean unleaded gasoline. Do not overfill.
3. Inspect Air Filter: Clean or replace if dirty or clogged.
4. Check for Leaks: Look for fuel or oil leaks around the engine.
5. Inspect Equipment: Ensure all attachments (blades, belts, etc.) are secure and undamaged.
6. Clear Area: Remove debris, rocks, and obstacles from the operating area.

CAUTION! Never operate the engine without proper oil level. This can cause severe engine damage.

Starting & Stopping Procedures

Follow these steps to safely start and stop your Craftsman engine.

Starting a Cold Engine:

1. Move the equipment to a well-ventilated, outdoor area.
2. Set the equipment's drive control to "NEUTRAL" or "PARK".
3. Move the throttle control to the "CHOKE" or "FAST" position.
4. If equipped, turn the fuel valve to the "ON" position.
5. Pull the recoil starter handle slowly until resistance is felt, then pull briskly.
6. Once the engine starts, gradually move the choke to the "RUN" position.

Stopping the Engine:

1. Move the throttle control to the "SLOW" or "IDLE" position.
2. Let the engine run at idle for 30 seconds to cool down.
3. Turn the ignition key to "OFF" or push the stop switch.
4. If equipped, turn the fuel valve to the "OFF" position.

Tip: For a warm engine, starting usually does not require the choke.

Operating Instructions

Operate the engine and attached equipment according to these guidelines for best performance.

• Warm-Up: Allow the engine to warm up for 2-3 minutes under no load before applying full throttle.
• Load Management: Do not overload the engine. Allow it to reach operating speed before engaging attachments.
• Throttle Control: Use the appropriate throttle setting for the task. Full throttle is for heavy loads, idle for light duty or transport.
• Monitoring: Regularly check for unusual noises, vibrations, or smoke during operation.
• Shut Down for Service: Always shut off the engine and disconnect the spark plug before clearing jams or performing adjustments.

WARNING! Keep hands and feet away from moving parts. Never leave the engine unattended while running.

Maintenance Schedule

Regular maintenance is crucial for engine reliability. Refer to the table below.

*Refer to a qualified service technician for valve adjustment.

Fuel & Oil Recommendations

Using the correct fluids is essential for engine performance and lifespan.

Fuel:

• Use clean, fresh, unleaded gasoline with a minimum octane rating of 87.
• Do not use gasoline containing more than 10% ethanol (E10). Avoid E15 or E85.
• Add a fuel stabilizer (like STA-BIL®) if storing the engine for more than 30 days.
• Never mix oil with gasoline. This is a 4-stroke engine.

Oil:

• Use a high-quality detergent oil classified as API service category SJ or later.
• Recommended viscosity: SAE 10W-30 for general use across a wide temperature range.
• Check oil level with the engine on a level surface and the dipstick screwed in.

CAUTION! Gasoline is extremely flammable. Store in an approved container away from heat and sparks.

Storage Procedures

Proper storage prevents fuel system problems and corrosion.

1. Fuel System Preparation:
   • Option A (Short-term): Add fuel stabilizer to a full tank and run the engine for 5 minutes.
   • Option B (Long-term): Run the engine until it stops from fuel starvation. This empties the carburetor.
2. Change Oil: Change the engine oil while it is warm (see Maintenance Schedule).
3. Clean Engine: Allow the engine to cool. Clean exterior with a dry cloth. Remove grass and debris from cooling fins.
4. Remove Spark Plug: Remove the spark plug, add 1 tablespoon of oil into the cylinder, pull the starter rope slowly to distribute oil, then reinstall the plug.
5. Battery (if equipped): Disconnect and store in a cool, dry place. Charge periodically.
6. Storage Location: Store the engine in a clean, dry, and well-ventilated area, away from ignition sources.

Troubleshooting Guide

Reset: For engines with an oil alert system, the engine will not start if oil is low. Add oil to the proper level.

Warranty & Support

Your Craftsman engine is backed by a limited warranty. Refer to your original purchase documentation for specific terms and duration.

• Warranty Registration: Register your product online at www.craftsman.com to activate your warranty.
• Warranty Service: For warranty claims, contact an authorized Craftsman service center. Do not attempt repairs that may void the warranty.
• Customer Support: For technical assistance, parts diagrams, or to locate a dealer:
  • Website: www.craftsman.com/support
  • Phone: 1-888-331-4569
• Parts: Always use genuine Craftsman replacement parts to ensure fit, performance, and safety.

Copyright © 2025 Craftsman. CRAFTSMAN is a trademark of Stanley Black & Decker, Inc., used under license. All rights reserved.