Stihl MS 251 - 40cm
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Product Information
Full details
This guide is for both domestic and professional users of the Stihl MS 251 - 40cm chain saw. The saw offers powerful cutting performance in a compact design, making property maintenance tasks more manageable. However, users should be aware of the safety precautions required when operating a chainsaw. This guide will help you understand the features, use, and maintenance of your Stihl MS 251.
All features
| Model Part Number | 11432000673 |
|---|---|
| Brand | STIHL |
Extended Product Information
FAQs
What type of fuel should I use?
Use a fuel-oil mixture specifically designed for two-stroke engines, following the manufacturer's recommended ratio.
How often should I sharpen the chain?
Sharpen the chain regularly, typically after every hour of use or when you notice a reduction in cutting performance.
How do I adjust the chain tension?
Consult the user manual for the specific procedure. Generally, loosen the bar nuts and use the tensioning screw to adjust the chain.
How do I clean the air filter?
Remove the air filter and clean it with compressed air or replace it if necessary.
What kind of chain oil should I use?
Use bar and chain oil specifically designed for chainsaws.
What is the warranty on the Stihl MS 251?
The warranty details can vary. Refer to the product documentation or contact your local Stihl dealer for specific warranty information.
Troubleshooting
Engine won't start
Check the fuel tank and make sure it has the correct fuel mixture. Check the spark plug and replace if needed. Ensure the choke is set correctly for starting.
Chain is not cutting effectively
Sharpen or replace the chain. Check the chain tension and adjust as necessary.
Engine stalls during operation
Check the fuel filter for blockages and replace if needed. Clean or replace the air filter. Ensure the fuel tank vent is not blocked.
Chain oil leaking
Check the oil tank cap and the bar oiling system for leaks. Ensure the oiler is functioning correctly.
Pros and Cons
Pros
- Powerful performance for various cutting tasks.
- Fuel-efficient with 2-Mix engine technology.
- Reduced exhaust emissions.
- Easy to handle due to its compact design.
- Automatic chain oiling system simplifies maintenance.
Cons
- Requires proper safety gear and training.
- Regular maintenance is needed for optimal performance.
- Can be heavy for extended use.
- Requires fuel and oil mixtures.
Setup, Compatibility & Care
Setup:
- Assembly: Assemble the bar and chain according to the manual.
- Fuel: Fill the fuel tank with the correct fuel-oil mixture. Always use fresh fuel.
- Chain Oil: Fill the chain oil tank with bar and chain oil.
Compatibility:
- Use Stihl-approved bar and chain oil.
- Use the recommended fuel-oil mixture.
Care:
- Chain Sharpening: Keep the chain sharp for efficient and safe cutting.
- Air Filter: Clean or replace the air filter regularly.
- Spark Plug: Inspect and replace the spark plug as needed.
- Chain Tension: Maintain proper chain tension.
- Storage: Store the saw in a clean, dry place.
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