Whether you’re a professional arborist or a homeowner with a green thumb, it’s crucial to keep your chainsaw in top-notch condition for optimal performance and safety. Í þessari grein, we will discuss 15 potential problems that you might encounter with your Stihl MS 171 and provide you with effective solutions to overcome them. Let’s read this Stihl MS 171 troubleshooting guide now!

Problem 1: Stihl frú 171 Won’t Start

Causes:

• Empty fuel tank.
• Clogged fuel filter.
• Faulty ignition coil.
• Blocked spark arrestor.
• Damaged spark plug.

Solutions:

1. Fill the fuel tank with fresh gasoline.
2. Clean or replace the fuel filter.
3. Inspect and replace the ignition coil if necessary.
4. Clean the spark arrestor or replace it if damaged.
5. Check and replace the spark plug if it’s worn out or damaged.

Problem 2: Chain Not Cutting Properly

Causes:

• Dull or damaged chain.
• Incorrect chain tension.
• Worn or damaged guide bar.
• Incorrect filing angle.

Solutions:

1. Sharpen or replace the chain.
2. Adjust the chain tension according to the manufacturer’s instructions.
3. Inspect the guide bar for wear or damage and replace if necessary.
4. Ensure the chain is filed at the correct angle for optimal cutting performance.

Problem 3: Engine Stalling

Causes:

• Dirty air filter.
• Clogged fuel tank vent.
• Carburetor issues.
• Faulty ignition module.

Solutions:

1. Clean or replace the air filter.
2. Check and clean the fuel tank vent.
3. Inspect and clean the carburetor, or have it professionally serviced.
4. Test and replace the ignition module if needed.

Problem 4: Fuel Leaks From Stihl Ms 171

Causes:

• Damaged or worn fuel lines.
• Loose or damaged fuel tank cap.
• Faulty fuel tank gasket.

Solutions:

1. Inspect and replace any damaged or worn fuel lines.
2. Tighten or replace the fuel tank cap if it’s loose or damaged.
3. Replace the fuel tank gasket if it’s faulty or damaged.

Problem 5: Ms 171 High Fuel Consumption

Causes:

• Dirty air filter.
• Incorrect carburetor adjustments.
• Worn or damaged fuel lines.

Solutions:

1. Clean or replace the air filter.
2. Have the carburetor adjusted by a professional to ensure correct fuel mixture.
3. Inspect and replace any worn or damaged fuel lines.

Problem 6: Faulty spark plug

Causes:

• Worn or damaged spark plug.
• Incorrect spark plug gap.
• Dirty or fouled spark plug.

Solutions:

1. Check and replace the spark plug if it’s worn out or damaged.
2. Set the spark plug gap to the manufacturer’s specifications.
3. Clean or replace a dirty or fouled spark plug.

Problem 7: Chain Lubrication Problems

Causes:

• Empty or improperly filled oil reservoir.
• Clogged oil channels or port.
• Faulty oil pump.

Solutions:

1. Ensure the oil reservoir is filled with the appropriate chain oil.
2. Clean any clogged oil channels or ports.
3. Test and replace the oil pump if it’s not functioning properly.

Problem 8: Air Filter Clogging

Causes:

• Accumulation of debris or sawdust on the air filter.
• Damaged or worn out air filter.

Solutions:

1. Clean the air filter by tapping it gently or using compressed air.
2. Replace the air filter if it’s damaged or worn out.

Problem 9: Ms 171 Dies at Idle

Causes:

• Clogged or dirty carburetor.
• Incorrect idle adjustment.

Solutions:

1. Clean the carburetor or have it professionally serviced.
2. Adjust the idle speed according to the manufacturer’s specifications.

Problem 10: Carburetor Problems

Causes:

• Clogged jets or passages.
• Incorrect fuel mixture adjustment.

Solutions:

1. Clean the jets and passages in the carburetor.
2. Have the carburetor professionally adjusted for the correct fuel mixture.

Problem 11: Overheating

Causes:

• Blocked or dirty cooling fins.
• Restricted air flow.

Solutions:

1. Clean the cooling fins to remove any debris or sawdust.
2. Ensure proper air flow around the engine by keeping the air intake and cooling vents clear.

Problem 12: Chain Brake Failure

Causes:

• Worn or damaged chain brake components.
• Incorrect adjustment.

Solutions:

1. Inspect and replace any worn or damaged chain brake components.
2. Adjust the chain brake according to the manufacturer’s instructions.

Problem 13: Ignition Issues

Causes:

• Faulty ignition coil.
• Loose or damaged wiring.

Solutions:

1. Test and replace the ignition coil if it’s faulty.
2. Check for loose or damaged wiring and repair or replace as needed.

Problem 14: Excessive Vibration

Causes:

• Loose or worn out chain.
• Damaged or worn guide bar.
• Engine imbalance.

Solutions:

1. Tighten or replace the chain if it’s loose or worn out.
2. Inspect and replace a damaged or worn guide bar.
3. Have the engine professionally inspected for any imbalances.

Problem 15: The chainsaw keeps bogging down

Causes:

• Stíflað loftsía.
• Dirty fuel filter.
• Carburetor issues.
• Faulty spark plug.

Solutions:

1. Clean or replace the air filter.
2. Clean or replace the fuel filter.
3. Inspect and clean the carburetor, or have it professionally serviced.
4. Check and replace the spark plug if it’s worn out or damaged.

How To Prevent Problems With The Stihl MS171?

To prevent problems with the Stihl MS171 chainsaw, here are some preventive measures you can take:

1. Read the Manual: Familiarize yourself with the user manual provided by Stihl. It contains important information on operating, maintaining, and troubleshooting the chainsaw.
2. Proper Fuel Mix: Always use the correct fuel mixture ratio recommended by Stihl for the MS171 (typically a 50:1 ratio of unleaded gasoline to two-stroke engine oil). Using the wrong mixture can lead to engine damage.
3. Quality Fuel and Oil: Use high-quality gasoline and two-stroke engine oil from reputable brands. Avoid using stale or contaminated fuel, as it can affect the performance and reliability of the chainsaw.
4. Regular Maintenance: Perform routine maintenance tasks such as cleaning or replacing the air filter, checking chain tension, lubricating the chain, and inspecting for any loose or damaged parts. Follow the maintenance schedule outlined in the user manual.
5. Sharpen and Replace Chains: Keep the chainsaw chain sharp by regularly sharpening it or replacing it when necessary. Dull chains can lead to inefficient cutting and increase the strain on the engine.
6. Cleanliness: Keep the chainsaw clean after each use. Remove debris, sawdust, and dirt from the exterior and internal components. Pay attention to the cooling fins, air intake, and chain oil ports.
7. Proper Chain Lubrication: Ensure that the chain oil reservoir is filled with the appropriate chain oil. Inspect the oil ports regularly and clean them if clogged.
8. Store Correctly: When not in use, store the chainsaw in a clean, dry place away from direct sunlight and extreme temperatures. Use a protective cover to prevent dust accumulation and potential damage.
9. Professional Servicing: If you encounter persistent problems or notice any major issues with the chainsaw, it’s best to seek professional servicing from an authorized Stihl service center or technician.

By following these preventive measures, you can prolong the lifespan of your Stihl MS171 chainsaw and reduce the likelihood of encountering problems during operation.

Niðurstaða

By addressing these potential problems and implementing the suggested solutions, you can ensure that your Stihl MS 171 chainsaw remains reliable, skilvirkur, and safe to use. Remember, regular maintenance, proper fuel mix, chain care, cleanliness, storage, and occasional professional servicing are key to preventing many of these issues from occurring in the first place.