2.1 Technical Specifications

The STIHL MS 170 chainsaw features a 30.1cc engine, providing efficient cutting power. It has a 3/8″ chain pitch, 0.25L fuel tank, and 0.145L oil tank. The saw weighs approximately 4.3 kg, making it lightweight for easy maneuverability. The engine operates at 4;8 kW, ensuring reliable performance for various tasks. These specifications make the MS 170 ideal for homeowners and professionals seeking a balance between power and portability.

• Engine Displacement: 30.1cc
• Power Output: 4.8 kW
• Chain Pitch: 3/8″
• Fuel Capacity: 0.25L
• Oil Capacity: 0.145L
• Weight: 4.3 kg

2.2 Design and Build Quality

The STIHL MS 170 is built with a durable, compact design, ensuring reliability and ease of use. Its lightweight construction, at 4.3 kg, enhances maneuverability for extended cutting sessions. The saw features a high-quality bar and chain, designed for efficient cutting performance. The ergonomic handle provides a comfortable grip, reducing fatigue during operation. Built with robust materials, the MS 170 is designed to withstand demanding conditions while maintaining precision and control. Its compact design makes it ideal for both professional and homeowner use, delivering consistent results across various tasks.

Assembly and Initial Setup

Unpack and inventory all components. Attach the handle and bar, ensuring proper alignment. Install the chain, tension it, and check guide rails for accurate alignment. Follow manual instructions for precise setup.

3.1 Unpacking and Inventory

Begin by carefully unpacking the STIHL MS 170 chainsaw and verifying all components against the provided inventory list. Ensure the saw, bar, chain, and accessories are included. Inspect for any visible damage or defects; Read the instruction manual thoroughly before proceeding. Familiarize yourself with each part’s purpose and location. Organize the tools and accessories to avoid misplacement. Check the chain tension and bar alignment to ensure proper setup. If any items are missing or damaged, contact your STIHL dealer immediately;

• Confirm the presence of the chainsaw, guide bar, and chain.
• Inspect for damage or wear on all components.
• Review the manual to understand assembly requirements.

Operation

Ensure the ignition switch is in the correct position and consider a replacement key if missing. Maintain proper chain tension and use recommended fuel. Always monitor for kickback and use STIHL-approved low-kickback components. Follow the manual for safe cutting techniques and engine performance.

Warning: Operate only in well-ventilated areas and avoid modifications not approved by STIHL.

4.1 Starting the Chainsaw

Ensure the chain brake is engaged and the saw is on a flat surface. Turn the ignition switch to the “on” position and check the choke. Pull the starter handle gently until resistance is felt, then pull firmly. Allow the engine to warm up before disengaging the brake. If the chainsaw does not start, refer to the troubleshooting section of the STIHL MS 170 manual. Always follow safety guidelines when starting and operating the saw.

• Check fuel levels before starting.
• Ensure proper chain tension.
• Monitor for any unusual engine behavior.

4.2 Cutting Techniques

Stand firmly with feet shoulder-width apart for stability. Grip the handles securely, with your dominant hand on the rear handle. Approach the cut with the chain at a slight angle, starting from the tip of the bar. Use a steady, controlled motion, applying gentle to moderate pressure. Always cut on the push stroke to maintain control. Avoid excessive pressure, which can cause the saw to bind. Keep the chain sharp for efficient cutting. Ensure the chain does not touch the ground to prevent damage. Follow the STIHL MS 170 manual for specific techniques.

• Use proper body positioning for balance.
• Guide the saw smoothly through the material.
• Monitor chain tension during operation.

Maintenance

Regular maintenance is essential for optimal performance. Clean or replace the air filter, check chain tension, sharpen the chain, and lubricate the bar regularly.

• Inspect and clean the air filter frequently.
• Sharpen the chain when cutting efficiency decreases.
• Lubricate the guide bar to reduce friction.

5;1 Routine Maintenance Tasks

Regular maintenance ensures optimal performance and longevity of your STIHL MS 170 chainsaw. Start by inspecting the chain for wear and sharpening it as needed. Clean the air filter and replace it if damaged. Check the chain tension and adjust according to the manual. Lubricate the guide bar and chain regularly to reduce friction. Drain old fuel and refill with a fresh mixture. Store the saw in a dry, well-ventilated area during off-seasons. Refer to the manual for detailed maintenance schedules.

• Sharpen the chain when cutting efficiency decreases.
• Clean or replace the air filter as needed.
• Check and maintain proper chain tension.
• Lubricate the guide bar and chain.

5.2 Parts Replacement and Repair

Replace worn or damaged parts immediately to ensure safe and efficient operation. Use only genuine STIHL parts to maintain performance and warranty validity. If the chain or guide bar is damaged, replace them together for optimal cutting efficiency. Check the ignition system and replace the spark plug as specified in the manual. For complex repairs, consult a certified STIHL dealer to avoid further damage. Regularly inspect and replace the air filter and fuel filter to maintain engine health.

• Always use STIHL-approved parts for replacements.
• Replace the chain and guide bar as a set for consistency.
• Consult the manual for spark plug replacement intervals.
• Address ignition issues promptly to prevent startup problems.

Troubleshooting Common Issues

Check the spark plug and ignition switch if the chainsaw won’t start. Inspect the chain brake for proper function and ensure the chain is tensioned correctly for smooth operation.

6.1 Diagnosing Problems

Identify issues by observing symptoms like poor cutting performance or unusual noises. Check the chain tension and sharpness if the saw underperforms. Inspect for blockages in the air filter or muffler. Consult the troubleshooting guide in the manual for specific solutions. If the chain brake malfunctions, ensure it is clean and free of debris. For persistent issues, contact a STIHL authorized dealer for professional assistance.

• Chain not cutting properly? Check for dullness or incorrect tension.
• Engine stalls frequently? Inspect fuel quality and air filter condition.
• Excessive vibration? Ensure the chain is properly tensioned and undamaged.
• Chain derailment? Check bar alignment and wear.

Warranty and Support

The STIHL MS 170 is backed by a comprehensive warranty. Contact authorized STIHL dealers for service inquiries. Refer to the manual for detailed warranty terms and conditions. STIHL ensures reliable support for maintenance and repairs.

7.1 Warranty Coverage

The STIHL MS 170 is covered by a limited warranty for defects in materials and workmanship. The warranty period varies by region and covers parts and labor for valid claims. Registration with STIHL or an authorized dealer may be required for warranty activation. The manual provides full details on warranty terms, exclusions, and procedures for filing claims. Contact your local STIHL dealer for assistance with warranty-related issues or repairs;

• Covers manufacturing defects for a specified period.
• Does not apply to normal wear or improper use.
• Warranty terms are outlined in the instruction manual.

Accessories

Recommended accessories include replacement chains, guide bars, and maintenance kits. These enhance performance and longevity. Always use STIHL-approved parts for optimal results and safety.

8.1 Recommended Attachments

For optimal performance, use STIHL-approved attachments like high-quality chains, guide bars, and sharpening tools. These ensure compatibility and safety. Regularly replace worn parts with genuine components. Additional accessories such as storage cases, chain oils, and maintenance kits are available. These enhance the saw’s longevity and efficiency. Always consult the STIHL MS 170 manual for compatibility and proper installation guidelines to maintain warranty coverage and ensure safe operation.

Environmental Impact

Use eco-friendly practices by properly disposing of waste oils and fuels. Follow guidelines for minimal emissions and efficient operation to reduce environmental impact.

9.1 Eco-Friendly Practices

Adopt environmentally responsible practices when using the STIHL MS 170. Properly dispose of waste oils, fuels, and filters to prevent soil and water contamination. Use biodegradable chain oils and bar lube to minimize ecological impact. Regular maintenance ensures efficient operation, reducing emissions and fuel consumption. Always follow local environmental regulations and guidelines for sustainable forestry practices. By adhering to these practices, you contribute to preserving natural resources and reducing the chainsaw’s environmental footprint.

• Dispose of waste responsibly to protect ecosystems.
• Opt for eco-friendly lubricants and oils.
• Maintain the saw to optimize fuel efficiency.
• Comply with local environmental regulations.

Storage and Transportation

Store the chainsaw in a dry, secure location, away from direct sunlight. Use protective covers for the bar and chain. Transport the saw in a sturdy case.

• Ensure the chain is clean and lubricated before storage.
• Keep the saw out of reach of children and pets.

10.1 Proper Storage

Store the Stihl MS 170 chainsaw in a clean, dry, and well-ventilated area. Remove the chain and bar, cleaning and lubricating them before storage. Empty the fuel tank or stabilize the fuel with a suitable additive. Use protective covers for the bar and chain to prevent rust and damage. Keep the saw out of direct sunlight and extreme temperatures. Store it in a secure location, out of reach of children and pets. For extended storage, consult the STIHL MS 170 manual for additional recommendations.

• Clean the saw thoroughly before storage.
• Use a sturdy case or container for transportation.
• Avoid storing in humid or dusty environments.

Regulatory Information

The Stihl MS 170 complies with international safety and environmental standards. Ensure compliance with local regulations during use and disposal. Contact STIHL for detailed certification information.

• Meets EU and U.S. emissions standards.
• Complies with ISO safety certifications.

11.1 Compliance and Certifications

The STIHL MS 170 complies with international emissions standards, including those set by the EU and U.S. regulatory bodies. It holds ISO certifications for safety and performance, ensuring reliability and adherence to global quality norms. The product features CE marking, indicating conformity with European directives. Additionally, it meets CARB and EPA requirements for environmentally responsible operation. Users are advised to review local regulations and contact STIHL for detailed certification information. Adhering to these standards ensures environmental responsibility and safe disposal practices.

The STIHL MS 170 chainsaw is a reliable and durable tool designed for efficient cutting tasks. Its robust design and user-friendly features make it ideal for both professionals and homeowners. By following the safety guidelines, maintenance recommendations, and operational tips outlined in this manual, users can ensure optimal performance and extend the product’s lifespan. Always refer to the official STIHL MS 170 manual for detailed instructions and troubleshooting. Proper care and adherence to safety protocols will maximize your experience with this high-quality chainsaw.