1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your CRAFTSMAN C0010250 2,500-Watt Gas Portable Inverter Generator. This inverter generator offers a portable power solution for various outdoor activities, including camping, tailgating, and providing backup power during outages. It delivers stable power suitable for sensitive electronics and features quiet operation and a compact design.
Please read this manual thoroughly before operating the generator to ensure proper use and to prevent injury or damage.
2. Important Safety Information
WARNING: Operating this generator can produce carbon monoxide, an odorless, colorless gas. Breathing carbon monoxide can cause nausea, fainting, or death. Always operate the generator outdoors in a well-ventilated area, far from windows, doors, and vents.
- Fuel Safety: Gasoline is highly flammable. Always refuel in a well-ventilated area with the engine off and cool. Do not smoke or allow open flames near the generator.
- Electrical Safety: Do not operate the generator in wet conditions. Ensure all electrical connections are secure and dry. Use only approved extension cords that are rated for outdoor use and the power requirements.
- Hot Surfaces: The generator's engine and muffler become very hot during operation and remain hot for some time after shutdown. Avoid contact to prevent burns.
- Children and Pets: Keep children and pets away from the generator at all times.
- Ventilation: Ensure adequate clearance around the generator for proper airflow to prevent overheating.
3. Product Features
- Easy Mobility: Designed with a built-in handle for convenient one-hand carrying, making it ideal for home use, camping, and various outdoor activities.
- Quick and Hassle-Free Start: Features a Start/Stop/Choke dial for easy and rapid starting.
- Clean and Stable Power: Advanced inverter technology provides clean and reliable power, safe for sensitive electronics and tools.
- Quiet Operation: An ultra-quiet design with a fully enclosed case ensures a peaceful environment during use.
- Parallel Ready: Increase power output by connecting two Craftsman 2500i inverters using an optional parallel kit (sold separately).
- USB Ports: Includes USB charging outlets for convenient device charging.

Figure 3.1: Key features of the Craftsman 2500i generator.
4. Package Contents
Verify that all items are included in your package:
- CRAFTSMAN C0010250 Inverter Generator Unit
- Oil Funnel
- Spark Plug Wrench
- Screwdriver (for side panel access)
- Battery Charging Cables
5. Setup
5.1 Adding Engine Oil
Your generator is shipped without engine oil. You must add the correct amount of oil before the first start.
- Place the generator on a level surface.
- Locate the oil fill cap/dipstick on the side of the generator. You may need to unscrew the side housing to access it.
- Remove the oil fill cap/dipstick.
- Using the provided oil funnel, carefully pour 10W-30 engine oil into the oil fill opening. The oil filler angle can be unusual, so pour slowly to avoid spillage.
- Fill until the oil level reaches the upper mark on the dipstick (do not overfill).
- Replace the oil fill cap/dipstick and secure the side housing if removed.

Figure 5.1: Side view of the generator, indicating the oil fill area.
5.2 Adding Fuel
WARNING: Use fresh, unleaded gasoline with an octane rating of 87 or higher. Do not use E85 or any gasoline containing more than 10% ethanol. Never refuel while the engine is running or hot.
- Ensure the generator is off and cool.
- Locate the fuel cap on top of the generator.
- Unscrew and remove the fuel cap.
- Carefully pour gasoline into the fuel tank, filling it to approximately 1 inch below the top of the filler neck to allow for fuel expansion. The tank capacity is 5 gallons.
- Securely replace the fuel cap. Wipe up any spilled fuel immediately.

Figure 5.2: Front view of the generator, highlighting the fuel cap.
6. Operating Instructions
6.1 Starting the Generator
- Ensure the generator is on a level surface and in a well-ventilated outdoor area.
- Check oil and fuel levels.
- Turn the Start/Stop/Choke dial to the "CHOKE" position.
- Pull the recoil starter handle firmly and steadily until the engine starts.
- Once the engine starts, slowly move the Start/Stop/Choke dial to the "RUN" position.
- Allow the generator to run for a few minutes to warm up before connecting any electrical loads.
6.2 Connecting Electrical Devices
The generator provides 2200 running watts and 2500 starting watts. Refer to the wattage chart below to estimate your power needs.
- Ensure the generator is running smoothly.
- Plug your electrical devices into the appropriate outlets on the control panel.
- Avoid overloading the generator. The total wattage of all connected devices should not exceed the running wattage.
- For sensitive electronics, the inverter technology provides clean power, but always ensure devices are in good working order.

Figure 6.1: Example wattage requirements for common devices.
6.3 Stopping the Generator
- Disconnect all electrical loads from the generator.
- Allow the generator to run for a few minutes without load to cool down.
- Turn the Start/Stop/Choke dial to the "STOP" position.
- Turn the fuel valve to the "OFF" position (if applicable).
7. Maintenance
Regular maintenance ensures optimal performance and extends the life of your generator.
7.1 Engine Oil Change
Change the engine oil after the first 20 hours of operation, and then every 50-100 hours or annually, whichever comes first. Use 10W-30 engine oil.
- Run the engine for a few minutes to warm the oil, then shut it off.
- Place a drain pan beneath the oil drain plug.
- Remove the oil drain plug and the oil fill cap/dipstick to allow the oil to drain completely.
- Reinstall the oil drain plug.
- Refill with the recommended amount and type of new oil (refer to Section 5.1).
- Replace the oil fill cap/dipstick.
7.2 Air Filter Inspection and Cleaning
Inspect the air filter every 50 hours or monthly. Clean or replace if dirty.
- Remove the air filter cover.
- Remove the foam filter element.
- Wash the filter element in warm, soapy water, rinse thoroughly, and allow it to air dry completely.
- Lightly oil the foam filter with engine oil, then squeeze out excess oil.
- Reinstall the filter element and cover.
7.3 Spark Plug Inspection
Inspect the spark plug every 100 hours or annually. Clean or replace if necessary.
- Remove the spark plug cap.
- Use the provided spark plug wrench to remove the spark plug.
- Inspect for carbon buildup or wear. Clean with a wire brush or replace if electrodes are worn.
- Set the spark plug gap according to specifications (refer to Section 8).
- Reinstall the spark plug and cap.
7.4 Storage
For extended storage (more than 30 days), proper preparation is crucial.
- Fuel System: Drain all fuel from the fuel tank and carburetor. Alternatively, use a fuel stabilizer according to the manufacturer's instructions. Running the generator dry of fuel is recommended for long-term storage.
- Engine Oil: Change the engine oil (refer to Section 7.1).
- Spark Plug: Remove the spark plug and pour a tablespoon of engine oil into the cylinder. Slowly pull the recoil starter a few times to distribute the oil, then reinstall the spark plug.
- Cleaning: Clean the exterior of the generator.
- Storage Location: Store the generator in a clean, dry, well-ventilated area.
8. Troubleshooting
This section addresses common issues you might encounter with your generator.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine will not start | No fuel Low oil level Choke not in correct position Spark plug issue Fuel valve closed | Add fresh fuel Add engine oil Adjust choke to "CHOKE" then "RUN" Inspect/clean/replace spark plug Open fuel valve |
| Generator runs but no power output | Circuit breaker tripped Overload Faulty connection | Reset circuit breaker Reduce electrical load Check all connections |
| Engine runs rough or stalls | Stale fuel Dirty air filter Spark plug issue Carburetor issue | Drain and replace with fresh fuel Clean/replace air filter Inspect/clean/replace spark plug Clean carburetor (professional service recommended) |
| Excessive noise | Loose components Muffler damage Operating under heavy load | Check and tighten all fasteners Inspect muffler for damage Reduce load or ensure proper eco-mode operation |
If issues persist after attempting these solutions, contact CRAFTSMAN customer support or a qualified service technician.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | CRAFTSMAN |
| Model Number | C0010250 |
| Starting Wattage | 2500 watts |
| Running Wattage | 2200 watts |
| Fuel Type | Gasoline |
| Engine Type | 4 Stroke |
| Engine Displacement | 98 cubic centimeters |
| Tank Volume | 5 gallons |
| Runtime (50% load) | Approximately 4.5 - 6 hours |
| Voltage | 120V |
| Frequency | 60 Hz |
| Total Power Outlets | 4 (various types including USB) |
| Item Weight | 55.1 pounds |
| Dimensions (L x W x H) | 20.4" x 11.9" x 17.9" |
| CARB Compliant | Yes (50-State / CARB Compliant) |

Figure 9.1: Generator dimensions and power ratings.
10. Warranty & Support
10.1 Warranty Information
This CRAFTSMAN C0010250 generator comes with a 3-year limited warranty. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use.
10.2 Customer Support
For technical assistance, parts, or warranty service, please contact CRAFTSMAN customer support. You can also visit the official CRAFTSMAN store for more product information and resources: