How To Start Stihl MS 250 (5 Pro Tips For Effortless Ignition)

How to Start a Stihl MS 250: 5 Pro Tips for Effortless Ignition & Budgeting Your Firewood Prep

The satisfying roar of a chainsaw, the smell of freshly cut wood – it’s a visceral connection to nature and a symbol of self-sufficiency. But before you can experience that, you need to get your chainsaw started, and the Stihl MS 250, a popular and reliable model, can sometimes be a bit finicky. This article focuses on achieving effortless ignition with your MS 250, but I’ll also weave in the often-overlooked aspect of budgeting for firewood preparation. Because let’s be honest, that satisfying roar comes with a price tag.

Introduction: Riding the Waves of Firewood Costs

The firewood market, like any commodity, is subject to trends. Over the past few years, I’ve seen a noticeable increase in prices, driven by factors like rising fuel costs for transport, increased demand due to colder winters and a growing interest in wood-burning stoves as a supplemental heating source, and even disruptions in supply chains. What was once a relatively inexpensive way to heat your home can now require careful planning and budgeting. This guide will not only help you get your Stihl MS 250 roaring but also provide insights into managing the costs associated with firewood preparation, so you can maximize your efficiency and minimize your expenses.

1. Understanding the Stihl MS 250 Starting System

Before diving into the pro tips, it’s crucial to understand the basics of how your Stihl MS 250 is designed to start. It’s a delicate dance between fuel, air, and spark.

Fuel Delivery: The carburetor mixes fuel and air in the correct proportions. A clogged fuel filter, old fuel lines, or a dirty carburetor can disrupt this process.
Ignition System: The spark plug ignites the fuel-air mixture. A fouled or damaged spark plug will prevent ignition.
Compression: The piston compresses the fuel-air mixture, creating the necessary pressure for combustion. Low compression can make starting difficult.

2. Pro Tip #1: The Importance of Fresh Fuel and Proper Fuel Mix

The Problem: Stale fuel is the nemesis of small engines. Gasoline degrades over time, especially when mixed with oil. The oil can separate, and the fuel can become gummy, clogging the carburetor.
The Solution: Always use fresh fuel. I recommend mixing only the amount of fuel you’ll use within a month. Use a high-quality two-stroke oil specifically designed for air-cooled engines, and precisely follow the manufacturer’s recommended mixing ratio (usually 50:1). Use a fuel stabilizer to extend the life of your fuel if you anticipate storing it for longer periods.
My Experience: I learned this lesson the hard way. I once had a chainsaw that refused to start after sitting idle for a few months. After cleaning the carburetor multiple times, I finally realized the fuel was the culprit. Now, I religiously use fresh fuel and a stabilizer, and I haven’t had a starting issue since.
Cost Implications: While fresh fuel might seem like a small detail, neglecting it can lead to costly repairs. Carburetor cleaning can cost anywhere from $50 to $150 at a repair shop.
Data Point: According to a study by the Equipment Engine & Service Association (EESA), over 70% of small engine problems are related to fuel issues.

3. Pro Tip #2: Mastering the Starting Procedure – Choke, Primer, and Pull

The Procedure: The Stihl MS 250 starting procedure is fairly straightforward, but it’s crucial to follow the steps correctly.
1. Engage the Chain Brake: This is a safety must.
2. Choke Position: With a cold engine, move the choke lever to the fully closed position. This restricts airflow, creating a richer fuel mixture for starting.
3. Primer Bulb: Press the primer bulb several times (usually 5-6) until you see fuel flowing through the clear fuel line. This primes the carburetor with fuel.
4. Pull the Starter Cord: Pull the starter cord firmly and steadily until the engine sputters or attempts to start. Don’t yank the cord, as this can damage the starter mechanism.
5. Choke Adjustment: Once the engine sputters, move the choke lever to the half-choke position (usually the middle setting).
6. Pull Again: Pull the starter cord again until the engine starts and runs smoothly.
7. Warm-Up: Allow the engine to warm up for a few seconds before disengaging the chain brake and using the chainsaw.
Troubleshooting: If the engine doesn’t start after several pulls, flood the engine by removing the spark plug and pulling the starter cord a few times to clear excess fuel. Then, replace the spark plug and try again, this time without using the choke.
My Experience: I’ve seen many people struggle with the starting procedure, often flooding the engine by over-priming or not adjusting the choke correctly. Practice makes perfect.
Cost Implications: Repeatedly flooding the engine can damage the spark plug and potentially the carburetor, leading to unnecessary repair costs.
Data Point: Stihl recommends checking the spark plug condition every 25 hours of use. A new spark plug typically costs between $5 and $10.

4. Pro Tip #3: The Spark Plug – A Small Part with a Big Impact

The Importance: The spark plug provides the spark that ignites the fuel-air mixture. A fouled, worn, or incorrectly gapped spark plug can prevent the engine from starting or cause it to run poorly.
Inspection: Regularly inspect the spark plug for signs of fouling (carbon buildup), damage, or wear. Clean the spark plug with a wire brush or replace it if necessary.
Gapping: Ensure the spark plug gap is set to the manufacturer’s specifications (refer to your owner’s manual). A spark plug gapping tool is inexpensive and essential.
Replacement: Replace the spark plug annually or every 100 hours of use, whichever comes first.
My Experience: I once had a chainsaw that ran erratically and was difficult to start. After replacing the spark plug, it ran like new. A simple and inexpensive fix!
Cost Implications: A new spark plug is a relatively inexpensive part, but neglecting it can lead to more significant engine problems.
Data Point: A fouled spark plug can reduce engine performance by up to 20%.

5. Pro Tip #4: Air Filter Maintenance – Breathe Easy, Cut Easier

The Importance: The air filter prevents dirt and debris from entering the engine, protecting it from damage. A dirty air filter restricts airflow, leading to poor engine performance and difficulty starting.
Inspection and Cleaning: Regularly inspect the air filter for dirt and debris. Clean the air filter with compressed air or warm, soapy water. Allow it to dry completely before reinstalling it.
Replacement: Replace the air filter annually or more frequently if you operate in dusty conditions.
My Experience: I’ve noticed a significant difference in engine performance after cleaning or replacing the air filter. It’s a simple task that can make a big difference.
Cost Implications: A dirty air filter can cause the engine to run lean, which can lead to overheating and engine damage. Replacing an engine is far more expensive than replacing an air filter.
Data Point: A clogged air filter can reduce engine power by up to 10%.

6. Pro Tip #5: Carburetor Adjustment – Fine-Tuning for Optimal Performance

The Importance: The carburetor regulates the air-fuel mixture. Over time, the carburetor settings can drift, leading to starting problems, poor performance, and excessive fuel consumption.
Adjustment: Carburetor adjustment should be performed by a qualified technician. However, you can make minor adjustments yourself if you have the necessary tools and knowledge. Refer to your owner’s manual for instructions.
Warning: Incorrect carburetor adjustment can damage the engine. If you’re not comfortable making adjustments yourself, take the chainsaw to a qualified repair shop.
My Experience: I’ve attempted carburetor adjustments myself, with mixed results. It’s a delicate process that requires patience and a good understanding of engine mechanics.
Cost Implications: Carburetor adjustment can improve fuel efficiency and prevent engine damage. However, incorrect adjustment can lead to costly repairs.
Data Point: A properly tuned carburetor can improve fuel efficiency by up to 15%.

7. Budgeting for Firewood Preparation: More Than Just a Chainsaw

Now that you know how to keep your Stihl MS 250 running smoothly, let’s talk about the bigger picture: budgeting for firewood preparation. It’s easy to underestimate the costs involved.

Trend Alert: Firewood prices are influenced by factors like weather patterns (severe winters increase demand), transportation costs (fuel prices directly impact delivery charges), and local regulations (permits and restrictions on harvesting).
My Story: I remember one year thinking I was saving money by cutting my own firewood. I quickly realized that the cost of the chainsaw, fuel, oil, maintenance, and my time added up significantly. I learned to be much more strategic in my approach.

8. Breaking Down the Costs: A Deep Dive

Let’s break down the various cost components associated with firewood preparation.

Timber Acquisition:
- Free Wood: If you have access to free wood (e.g., from your own property or with permission from a landowner), this is the most cost-effective option. However, factor in the time and effort required to harvest and transport the wood.
- Purchased Logs: Buying logs can be a more convenient option, but it comes with a cost. Prices vary depending on the species, quality, and location. Expect to pay anywhere from $50 to $200 per cord of logs, depending on these factors.
- Standing Timber: Harvesting standing timber requires permits and insurance, which can add to the cost. You’ll also need to factor in the cost of felling the trees, bucking them into logs, and transporting them.
- Data Point: According to the USDA Forest Service, the average stumpage price (the price paid for standing timber) in the US varies widely, ranging from a few dollars per thousand board feet for low-quality hardwood to hundreds of dollars for high-quality softwood.
Tool Costs:
- Chainsaw: The Stihl MS 250 is a mid-range chainsaw, but even it requires maintenance and occasional repairs. Budget for fuel, oil, chain sharpening, and replacement parts.
- Chainsaw Sharpener: A good quality chainsaw sharpener can save you money in the long run by extending the life of your chains. Manual sharpeners cost around $20-$50, while electric sharpeners can range from $50 to $200.
- Splitting Axe or Log Splitter: Splitting wood by hand is a good workout, but it’s also time-consuming. A splitting axe costs around $30-$60. A log splitter can significantly speed up the process, but it’s a more significant investment. Gas-powered log splitters typically cost between $1,000 and $3,000, while electric log splitters are generally less expensive, ranging from $300 to $1,000.
- Safety Gear: Safety is paramount. Invest in a good quality helmet with a face shield, ear protection, chainsaw chaps, and work gloves. These items can cost anywhere from $100 to $300.
- Data Point: According to the Consumer Product Safety Commission (CPSC), chainsaw-related injuries result in tens of thousands of emergency room visits each year. Investing in safety gear is a smart way to protect yourself and avoid costly medical bills.
Labor Costs:
- DIY: If you’re doing all the work yourself, your labor cost is your time. Be honest with yourself about how much your time is worth.
- Hiring Help: If you’re hiring someone to help you with firewood preparation, expect to pay hourly rates ranging from $15 to $30, depending on the experience and skill level of the worker.
- Data Point: The average hourly wage for a logging worker in the US is around $20, according to the Bureau of Labor Statistics (BLS).
Transportation Costs:
- Vehicle: You’ll need a vehicle to transport the wood. Factor in the cost of fuel, maintenance, and wear and tear on your vehicle.
- Trailer: If you’re transporting large quantities of wood, you may need a trailer. Trailer rental costs vary depending on the size and type of trailer, but you can expect to pay around $30-$50 per day.
Storage Costs:
- Covering: You’ll need a way to protect the firewood from the elements. Tarps are a relatively inexpensive option, but they can be difficult to secure. A woodshed is a more permanent solution, but it’s also a more significant investment.
- Space: Consider the cost of the space you’re using to store the firewood. If you’re renting storage space, factor in the monthly rental fee.
Permits and Fees:
- Harvesting Permits: If you’re harvesting wood from public land, you may need a permit. Permit fees vary depending on the location and the amount of wood you’re harvesting.
- Burning Permits: Some areas require burning permits for wood-burning stoves and fireplaces. Permit fees are typically nominal.

9. Cost Optimization Strategies: Saving Money Without Sacrificing Quality

Here are some practical tips for optimizing your firewood preparation budget:

Source Free or Low-Cost Wood: Look for opportunities to acquire free or low-cost wood, such as fallen trees on your property or wood from construction sites.
Buy in Bulk: Buying logs in bulk can often save you money per cord.
Sharpen Your Chains Regularly: A sharp chain cuts more efficiently, reducing fuel consumption and wear and tear on your chainsaw.
Maintain Your Equipment: Regular maintenance can prevent costly repairs.
Split Wood by Hand: Splitting wood by hand is a good workout and can save you money on log splitter rental or purchase.
Dry Wood Properly: Properly dried wood burns more efficiently, reducing the amount of wood you need to burn.
Shop Around for Prices: Compare prices from different firewood suppliers before making a purchase.
Consider Alternative Fuels: Explore alternative heating options, such as pellet stoves or natural gas, to supplement your wood-burning stove.

10. Case Study: Comparing DIY vs. Purchased Firewood

Let’s compare the cost of preparing your own firewood versus purchasing it.

DIY Scenario: You harvest a cord of wood from your property using a Stihl MS 250.
- Chainsaw Fuel and Oil: $20
- Chain Sharpening: $5
- Vehicle Fuel: $30
- Your Time (20 hours at $15/hour): $300
- Total Cost: $355
Purchased Scenario: You purchase a cord of seasoned firewood from a local supplier.
- Cost of Firewood: $250
- Delivery Fee: $50
- Total Cost: $300

In this scenario, purchasing firewood is slightly less expensive than preparing it yourself. However, the DIY scenario doesn’t account for the value of the exercise and the satisfaction of doing it yourself.

11. Calculations and Formulas:

Estimating Drying Time: The drying time for firewood depends on the wood species, size, and climate. As a general rule, firewood should be dried for at least six months before burning. You can use a moisture meter to check the moisture content of the wood. The ideal moisture content for burning is below 20%.
Cord Volume Calculation: A standard cord of wood is 4 feet high, 4 feet wide, and 8 feet long, for a total volume of 128 cubic feet. However, the actual amount of wood in a cord can vary depending on how tightly it’s stacked.

12. Global and Regional Considerations:

Firewood prices and availability vary significantly depending on the region. In some areas, firewood is readily available and relatively inexpensive. In other areas, it’s scarce and expensive. Consider the local market conditions when budgeting for firewood preparation.

Europe: In Europe, firewood prices are generally higher than in North America due to stricter regulations and higher transportation costs.
Asia: In some parts of Asia, firewood is still the primary source of fuel for cooking and heating.
Africa: In many parts of Africa, deforestation is a major problem due to the overuse of firewood.

13. Challenges for Small-Scale Loggers and Firewood Suppliers:

Small-scale loggers and firewood suppliers face numerous challenges, including fluctuating timber prices, rising fuel costs, and increasing competition from larger companies. To succeed, they need to be efficient, innovative, and adaptable.

14. Actionable Takeaways and Next Steps:

Master the Stihl MS 250 Starting Procedure: Practice the starting procedure until you can start the chainsaw reliably every time.
Create a Firewood Preparation Budget: Estimate the costs associated with firewood preparation and create a budget to track your expenses.
Explore Cost Optimization Strategies: Identify ways to save money on firewood preparation without sacrificing quality.
Consider Alternative Heating Options: Explore alternative heating options to supplement your wood-burning stove.
Stay Informed: Stay up-to-date on firewood prices, regulations, and best practices.

15. Conclusion: The Satisfaction of a Warm Fire and a Well-Managed Budget

Preparing your own firewood can be a rewarding experience, providing you with exercise, self-sufficiency, and a connection to nature. By mastering the starting procedure for your Stihl MS 250 and carefully budgeting for the costs involved, you can enjoy the warmth of a fire without burning a hole in your wallet. Remember, a penny saved is a penny earned – and that’s a saying that rings true no matter where you are in the world.