Stihl MS 250 Bar Upgrade Tips (5 Expert Chainsaw Secrets)

Are you tired of your Stihl MS 250 feeling like it’s punching below its weight? Does your bar seem to dull quicker than a butter knife on a steel girder? Listen up, because I’m about to share five expert secrets that will transform your MS 250 into a wood-devouring beast! Don’t let another cord of wood slow you down. Let’s get started and unlock the true potential of your chainsaw!

Stihl MS 250 Bar Upgrade Tips (5 Expert Chainsaw Secrets)

The global firewood and wood processing industry is booming. According to a report by Grand View Research, the global firewood market size was valued at USD 3.51 billion in 2022 and is expected to grow at a compound annual growth rate (CAGR) of 2.1% from 2023 to 2030. This growth is fueled by rising energy costs, a renewed interest in sustainable heating, and a growing demand for wood products. Whether you’re a seasoned logger, a small-scale firewood producer, or just a homeowner looking to keep your wood stove roaring, having the right tools – and knowing how to optimize them – is crucial. And for many, the Stihl MS 250 is a trusty workhorse. But even a workhorse can benefit from some upgrades.

I’ve spent years felling trees, bucking logs, and splitting firewood, from the dense hardwoods of the Appalachians to the knotty pines of the Pacific Northwest. I’ve seen it all – dull chains, bent bars, and frustrated operators. Through trial and error (and more than a few close calls), I’ve learned what truly makes a difference. These five secrets are born from real-world experience and will help you get the most out of your Stihl MS 250.

Secret #1: Understanding Bar Length – Size Matters (But Not How You Think)

Many folks automatically assume that a longer bar equals more cutting power. That’s not always the case. In fact, over-barring your MS 250 can actually reduce its performance and lifespan.

The Myth of More: A longer bar requires more power to pull the chain through the wood. The MS 250, while a capable saw, has a limited engine size. Slapping on a 20-inch bar when it’s designed for a 16-inch bar is like asking a compact car to tow a heavy trailer. It will struggle.
Optimal Length for the MS 250: I generally recommend sticking with a 16-inch bar for most applications. This provides a good balance of cutting capacity and maneuverability, allowing the MS 250’s engine to operate efficiently. A 14-inch bar can be even better for limbing and smaller tasks.
Exceptions to the Rule: If you consistently work with larger diameter logs (over 12 inches), a 18-inch bar might be acceptable, but be prepared for slower cutting speeds and increased strain on the saw.
Data Point: Independent testing has shown that using a 16-inch bar on an MS 250 results in approximately 15-20% faster cutting speeds compared to an 18-inch bar when cutting logs exceeding 10 inches in diameter.

Actionable Tip: Before you even think about upgrading, honestly assess the type of wood you typically cut. If you’re primarily dealing with smaller logs and branches, stick with the recommended 16-inch bar or even downsize.

Secret #2: The Right Chain Makes All the Difference

The chain is the business end of your chainsaw. A dull or inappropriate chain will not only make your work harder but also increase the risk of kickback. Choosing the right chain is paramount.

Chain Types: There are primarily three types of chainsaw chains:
- Full Chisel: These chains have square-cornered teeth and offer the fastest cutting speed. They are best suited for clean wood and experienced users. They dull quickly if they hit dirt or debris.
- Semi-Chisel: These chains have rounded corners on the teeth, making them more durable and forgiving than full chisel chains. They are a good all-around choice for general use.
- Low-Profile (Micro-Chisel): These chains have smaller teeth and are designed to reduce kickback. They are ideal for beginners and homeowners. They cut slower than full or semi-chisel chains.
Chain Pitch and Gauge: Pitch refers to the size of the chain links, and gauge refers to the thickness of the drive links. It’s critical to match the pitch and gauge of your chain to your bar and sprocket. The MS 250 typically uses a .325″ pitch chain with a .050″ gauge. Always double-check your bar and saw manual to confirm! Using the wrong pitch or gauge can damage your saw and create a safety hazard.
My Personal Preference: For the MS 250, I generally prefer a semi-chisel chain. It offers a good balance of cutting speed, durability, and ease of sharpening. I find it to be a versatile option for a variety of wood types.
Unique Insight: Consider investing in multiple chains. Keep a full chisel chain for clean wood and a semi-chisel chain for dirtier conditions. Swap chains depending on the task at hand.

Actionable Tip: Learn how to properly sharpen your chainsaw chain. A sharp chain is a safe chain. Invest in a good quality chainsaw file and follow a sharpening guide. There are many online resources and videos available. Alternatively, consider using a chainsaw chain grinder for faster and more consistent sharpening.

Secret #3: Bar Material and Construction – Not All Bars Are Created Equal

The chainsaw bar isn’t just a piece of metal; it’s a precision-engineered component that plays a critical role in the performance and safety of your saw. Upgrading to a higher-quality bar can significantly improve your cutting experience.

Laminated vs. Solid Bars: Most bars are either laminated or solid. Laminated bars are made from multiple layers of steel welded together. They are generally lighter and less expensive than solid bars. Solid bars are made from a single piece of steel and are more durable and resistant to bending.
Bar Material: The quality of the steel used in the bar is also important. Look for bars made from high-quality alloy steel that is hardened and tempered for maximum durability.
Stihl Rollomatic E Bars: These bars are a popular upgrade for the MS 250. They are laminated bars with a replaceable sprocket nose. The sprocket nose reduces friction and wear on the bar, extending its lifespan.
Aftermarket Options: There are many aftermarket bar manufacturers that offer high-quality bars for the MS 250. Some popular brands include Oregon, Tsumura, and Cannon. Do your research and read reviews before making a purchase.
Case Study: A local firewood producer upgraded from the stock bar on his MS 250 to a solid Oregon bar. He reported a significant improvement in cutting speed and reduced bar wear, particularly when cutting dirty firewood. He estimated that the new bar paid for itself within a few months due to increased productivity.

Actionable Tip: When choosing a bar, consider the type of wood you typically cut and the amount of use your saw gets. If you are a heavy user or frequently cut hard or dirty wood, a solid bar is a worthwhile investment.

Secret #4: Oiling is Caring – Bar and Chain Lubrication Secrets

Proper lubrication is essential for extending the life of your bar and chain. A dry bar and chain will quickly overheat, leading to premature wear and failure.

Oil Type: Use a high-quality bar and chain oil specifically designed for chainsaws. Avoid using motor oil or other substitutes, as they may not provide adequate lubrication and can damage your saw.
Oil Viscosity: Choose an oil viscosity that is appropriate for the temperature. In cold weather, use a lighter oil to ensure proper flow. In hot weather, use a heavier oil to prevent the oil from thinning out too much.
Oil Flow Adjustment: The MS 250 has an adjustable oiler. Make sure the oil flow is properly adjusted. You should see a light spray of oil coming off the chain when the saw is running. If the chain is dry, increase the oil flow. If the bar is covered in oil, reduce the oil flow.
Regular Cleaning: Regularly clean your bar and chain to remove sawdust and debris. This will help ensure proper lubrication and prevent wear.
DIY Hack: I sometimes add a small amount of tackifier to my bar and chain oil. A tackifier is a substance that makes the oil stickier, helping it adhere to the bar and chain longer. This is particularly useful when cutting resinous wood like pine.

Actionable Tip: Check the oil level in your chainsaw frequently. I recommend checking it every time you refuel the saw. Running the saw with a low oil level can quickly damage the bar and chain.

Secret #5: Maintaining Proper Chain Tension – The Goldilocks Principle

Chain tension is critical for safe and efficient cutting. Too loose, and the chain can derail. Too tight, and it can overheat and wear out prematurely. You need to find that “just right” tension.

Checking Tension: To check the chain tension, pull the chain away from the bar at the midpoint of the bar. You should be able to pull the chain out about 1/8 inch.
Adjusting Tension: To adjust the chain tension, loosen the bar nuts and turn the tensioning screw. Tighten the chain until it reaches the proper tension. Then, tighten the bar nuts.
New Chain Stretch: New chains will stretch as they break in. Check the tension frequently during the first few hours of use and adjust as needed.
Temperature Considerations: The chain will expand as it heats up during use. Adjust the tension accordingly.
Troubleshooting: If you are constantly adjusting the chain tension, it may be a sign that the bar is worn or that the chain is damaged. Inspect the bar and chain for wear and replace them if necessary.

Actionable Tip: Develop a habit of checking your chain tension before each use. It only takes a few seconds and can save you a lot of headaches down the road. Also, consider a chain tensioning tool that can make the process easier and more precise.

Digging Deeper: Wood Properties and Their Impact on Chainsaw Performance

Understanding the properties of different wood species can significantly impact your chainsaw’s performance and the lifespan of your bar and chain.

Hardwood vs. Softwood: Hardwoods (like oak, maple, and hickory) are denser and more difficult to cut than softwoods (like pine, fir, and cedar). Hardwoods will dull your chain faster and require more power to cut.
Moisture Content: Green wood (freshly cut wood) has a high moisture content, making it heavier and more difficult to cut than seasoned wood (wood that has been allowed to dry). Green wood can also gum up your chainsaw chain.
Resin Content: Resinous woods (like pine and fir) can leave sticky deposits on your bar and chain, reducing lubrication and increasing wear.
Dirt and Debris: Dirt, sand, and rocks can quickly dull your chainsaw chain. Be careful when cutting wood that is lying on the ground.
Data Point: Seasoning firewood to a moisture content of 20% or less can increase its heat output by as much as 50% compared to burning green wood. This also makes it much easier on your chainsaw.

Actionable Tip: When cutting hardwoods, use a sharp chain and take your time. Avoid forcing the saw through the wood. Regularly clean your bar and chain to remove resinous deposits.

Costs, Budgeting, and Resource Management

Upgrading your Stihl MS 250 bar and chain involves some costs. Here’s a breakdown of what you can expect to spend:

Chainsaw Chains: A good quality chainsaw chain can cost anywhere from $20 to $50, depending on the type and brand.
Chainsaw Bars: A laminated bar can cost from $30 to $70, while a solid bar can cost from $50 to $150 or more.
Bar and Chain Oil: A gallon of high-quality bar and chain oil typically costs between $15 and $30.
Sharpening Tools: A chainsaw file and guide can cost around $20 to $40. A chainsaw chain grinder can cost from $100 to $500 or more.
Labor Costs: If you are not comfortable performing the upgrades yourself, you may need to pay a professional to do it for you. Labor costs can vary depending on the shop and the complexity of the job.

Budgeting Tips:

Prioritize: Focus on the upgrades that will have the biggest impact on your cutting performance and safety.
Shop Around: Compare prices from different retailers before making a purchase.
Buy in Bulk: Consider buying bar and chain oil in bulk to save money.
DIY: Perform the upgrades yourself to save on labor costs.

Resource Management:

Maintenance: Regularly maintain your chainsaw to extend its lifespan and prevent costly repairs.
Storage: Store your chainsaw in a dry place to prevent rust and corrosion.
Safety: Always wear appropriate safety gear when operating a chainsaw.

Troubleshooting and Common Pitfalls

Even with the best upgrades and maintenance, you may still encounter problems with your Stihl MS 250. Here are some common pitfalls to avoid:

Kickback: Kickback is a sudden and violent reaction that can occur when the tip of the bar comes into contact with an object. Always be aware of the risk of kickback and take precautions to avoid it.
Pinching: Pinching occurs when the bar gets stuck in the wood. Avoid pinching by using proper cutting techniques and by using wedges to keep the cut open.
Overheating: Overheating can occur if the saw is run too hard or if the bar and chain are not properly lubricated. Avoid overheating by taking breaks and by ensuring that the bar and chain are properly lubricated.
Dull Chain: A dull chain is not only inefficient but also dangerous. Sharpen your chain regularly or replace it when necessary.
Improper Fuel Mix: Using the wrong fuel mix can damage your chainsaw engine. Always use the correct fuel mix as specified in the owner’s manual.

Next Steps and Additional Resources

Now that you’re armed with these five expert secrets, it’s time to put them into practice. Here are some next steps you can take:

Assess Your Needs: Determine the type of wood you typically cut and the amount of use your saw gets.
Choose Your Upgrades: Select the bar and chain that are best suited for your needs and budget.
Perform the Upgrades: Follow the instructions in your owner’s manual or consult a professional.
Maintain Your Saw: Regularly maintain your chainsaw to extend its lifespan.
Practice Safe Cutting Techniques: Always wear appropriate safety gear and follow safe cutting techniques.

Additional Resources:

Stihl Dealer Locator: Find a local Stihl dealer for parts, service, and advice.
Online Forums: Join online forums dedicated to chainsaws and woodworking.
YouTube: Watch videos on chainsaw maintenance and cutting techniques.
Local Arborists: Consult with local arborists for advice on tree care and wood processing.

By following these tips and taking the time to properly maintain your Stihl MS 250, you can unlock its full potential and enjoy years of reliable service. Now get out there and make some sawdust! You’ve got this!

Stihl MS 250 Bar Upgrade Tips (5 Expert Chainsaw Secrets)