The warm weather is here, and your lawn is calling. But before you can tackle those weeds and get your yard looking pristine, you need to get your trusty Craftsman M250 lawn mower up and running. This guide will walk you through the step-by-step process of starting your Craftsman M250, from pre-start checks to troubleshooting common issues.
In essence, starting your Craftsman M250 lawn mower is a straightforward process. It involves preparing the mower, ensuring proper fuel levels, engaging the choke, pulling the starter cord, and finally disengaging the choke. This guide will break down each step in detail and offer helpful tips along the way, ensuring you’re ready to tackle your lawn with confidence.
Preparing Your Craftsman M250 for Start-Up
Before you even think about pulling the starter cord, it’s essential to give your Craftsman M250 a quick pre-start check-up.
1. Fuel Level and Freshness
- Check the fuel level: Your Craftsman M250 likely runs on gasoline. Open the fuel cap and visually inspect the fuel level. If it’s low, add fresh gasoline.
- Fuel freshness: Old gasoline can gum up the engine, making it difficult to start. It’s recommended to use fuel that’s less than 30 days old. If you haven’t used your mower for a while, consider draining the old fuel and replacing it with fresh gasoline.
2. Engine Oil Level
The Craftsman M250 has an engine oil level dipstick located on the side of the engine.
- Pull out the dipstick: Wipe it clean with a cloth and re-insert it fully into the dipstick tube.
- Check the oil level: Remove the dipstick again. The oil level should be between the “Full” and “Low” marks on the dipstick. If it’s low, add oil of the recommended viscosity for your mower’s engine.
3. Air Filter Inspection
A clogged air filter restricts airflow to the engine, making it difficult to start.
- Locate the air filter: It’s typically a round, black plastic housing located near the engine.
- Remove the air filter: Depending on your model, this may involve removing a cover or a simple latch.
- Inspect the filter: If it’s dirty, replace it with a new one. You can clean a reusable air filter by washing it with soap and water, allowing it to air dry completely before reinstalling it.
Starting the Craftsman M250
With the pre-start checks complete, you’re ready to fire up your Craftsman M250.
1. Prepare for Starting
- Position the mower: Place the mower on a flat surface. Ensure the area around the mower is clear of obstacles.
- Engage the choke: The choke enriches the fuel-air mixture, helping the engine start easier, especially when cold. On most Craftsman M250 models, the choke lever is located on the top of the engine. Push it to the “choke” position.
- Set the throttle: The throttle controls the engine’s speed. Set it to the “fast” or “high” position.
2. Pull the Starter Cord
- Grasp the starter cord: Hold it firmly with your hand near the end of the cord.
- Pull the starter cord: Give the cord a steady, firm pull. Do not jerk it.
- Repeat if needed: If the engine doesn’t start on the first try, repeat the pulling process. Be sure to keep the choke engaged for the initial few pulls.
3. Disengage the Choke
Once the engine starts to run, slowly disengage the choke. This allows the engine to draw in a proper air-fuel mixture for optimal combustion.
Troubleshooting Starting Issues
Even with the best care, sometimes your Craftsman M250 lawn mower can be stubborn and refuse to start. Here are some common troubleshooting tips:
1. Fuel-Related Issues
- Spark plug: A fouled spark plug can prevent the engine from starting. Replace the spark plug with a new one.
- Fuel line blockage: Check the fuel line for any blockages or kinks that could be preventing fuel from reaching the carburetor.
- Fuel filter: A dirty fuel filter can also restrict fuel flow. Replace it with a new one.
2. Engine Problems
- Engine oil level: If the engine oil level is low, it can cause starting problems. Check the oil level and add more if necessary.
- Air filter: A dirty air filter can restrict airflow to the engine, making it difficult to start. Clean or replace the air filter.
3. Ignition System
- Spark plug wire: Ensure the spark plug wire is securely connected to the spark plug and the ignition coil.
- Battery: If your Craftsman M250 is an electric model, ensure the battery is fully charged.
Preventative Maintenance Tips
By implementing preventative maintenance, you can keep your Craftsman M250 running smoothly and ensure it starts reliably for years to come.
- Regular oil changes: Change the engine oil and filter regularly, as recommended in your owner’s manual.
- Air filter maintenance: Clean or replace the air filter every few months or sooner if it’s dirty.
- Blade sharpening: Sharp blades make mowing easier and provide a clean cut. Sharpen the blades at least once a season, or more often if needed.
- Fuel stabilization: If you won’t be using your mower for an extended period, add a fuel stabilizer to the gas tank to prevent fuel from going bad.
Conclusion
Starting your Craftsman M250 lawn mower is a straightforward process, but it’s crucial to follow the steps carefully to ensure a smooth and successful start. With a little preventative maintenance and the right troubleshooting techniques, you’ll be ready to tackle your lawn and enjoy the beauty of a well-maintained yard.
FAQs
1. How do I check the oil level in my Craftsman M250 lawn mower?
To check the oil level, locate the dipstick on the side of the mower’s engine. Pull out the dipstick and wipe it clean with a rag. Insert the dipstick back into the engine and then remove it again. The oil level should be between the “Full” and “Add” marks on the dipstick. If the oil level is low, add more oil to the engine. Be sure to use the correct type of oil, as specified in your mower’s manual.
It’s essential to check the oil level regularly, especially before each use. This helps to ensure that the engine has adequate lubrication and prevents damage. A lack of oil can cause the engine to overheat and seize, leading to costly repairs.
2. Where do I fill the gas tank on my Craftsman M250?
The gas tank is typically located on the right side of the mower, near the engine. It should be clearly marked with a gas can symbol. Before filling the tank, make sure that the mower is turned off and the engine is cool. Remove the gas cap and carefully pour gasoline into the tank, avoiding spills. Don’t overfill the tank, as this can cause spills and environmental hazards.
It’s important to use fresh, unleaded gasoline with a minimum of 87 octane. Avoid using gasoline that has been sitting in a container for an extended period, as it can degrade and potentially damage your mower’s engine.
3. How do I change the spark plug in my Craftsman M250?
To change the spark plug, you will need a spark plug socket wrench. Locate the spark plug on the top of the engine. Unscrew the spark plug with the socket wrench, making sure to hold the spark plug wire securely. Inspect the old spark plug for signs of wear or damage.
Replace the old spark plug with a new one of the correct type and specification, as found in your mower’s manual. Tighten the new spark plug by hand until it is snug, and then use the socket wrench to tighten it an additional 1/8 turn. Reconnect the spark plug wire and make sure it is securely in place.
4. What type of air filter does my Craftsman M250 use?
The Craftsman M250 typically uses a paper air filter. This filter can be found in a small housing located near the engine. To replace the air filter, simply remove the housing cover, take out the old filter, and replace it with a new one. Ensure the new filter is correctly oriented before putting the housing cover back on.
The air filter is vital for protecting the engine from dust and debris. Regular replacement of the air filter ensures efficient engine performance and prevents potential damage caused by dirt build-up.
5. How do I adjust the cutting height on my Craftsman M250?
Adjusting the cutting height is a straightforward process. Most Craftsman M250 models have a lever or a series of levers located near the wheels. To adjust the height, simply move the lever(s) to the desired position. The cutting height is often marked on the lever or on the frame of the mower.
Experiment with different cutting heights to find the best setting for your lawn. Consider factors such as the type of grass, the season, and your desired appearance when choosing the ideal cutting height.
6. How often should I sharpen the blades on my Craftsman M250?
The frequency of sharpening the blades depends on usage and the condition of the grass. Generally, you should sharpen the blades every 25 hours of use or once a year. However, if you notice that the blades are dull, chipped, or bent, it’s best to sharpen them immediately.
Sharp blades cut cleanly and evenly, resulting in a healthy, lush lawn. Dull blades, on the other hand, can tear and shred the grass, leaving it brown and susceptible to disease.
7. What should I do if my Craftsman M250 won’t start?
There are several reasons why your Craftsman M250 might not start. First, make sure the gas tank has fresh, unleaded gasoline. Then, check the spark plug to see if it is properly connected and in good condition. Next, inspect the air filter to ensure it is not clogged.
If these checks don’t resolve the issue, you can try removing the spark plug and checking for a spark. If no spark is present, you may need to replace the spark plug or check the ignition system. If you are not comfortable performing any of these tasks, it’s best to consult a qualified technician.