AISEN Recoil Starter for MTD TORX OHV 35, 45, 55 Engines

1. Introduction

This manual provides essential information for the safe and effective installation, operation, and maintenance of your AISEN Recoil Starter. This product is designed as a replacement part for specific MTD TORX OHV engines. Please read this manual thoroughly before attempting any installation or operation.

Image 1.1: Top view of the AISEN Recoil Starter, showing the central mechanism and pull cord.

2. Compatibility

The AISEN Recoil Starter is suitable for the following MTD TORX OHV engine models:

• Thorx 35
• Thorx 45
• Thorx 55

Ensure your engine model matches one of the listed compatible models before proceeding with installation.

3. Package Contents

Upon opening the package, verify that all components are present and undamaged:

• 1 x AISEN Recoil Starter
• 3 x Mounting Screws

If any items are missing or damaged, please contact your retailer or the manufacturer for assistance.

4. Safety Information

Always prioritize safety when working with engine components. Failure to follow safety instructions can result in serious injury or damage to equipment.

• Disconnect Spark Plug: Before beginning any work on the engine, always disconnect the spark plug wire to prevent accidental starting.
• Wear Protective Gear: Use appropriate personal protective equipment, including safety glasses and gloves.
• Work in a Well-Ventilated Area: Ensure adequate ventilation if working with fuel or other engine fluids.
• Engine Cool Down: Allow the engine to cool completely before handling any parts to avoid burns.
• Secure the Engine: Ensure the engine or equipment is stable and cannot move during installation.

5. Setup and Installation

Follow these steps to install the AISEN Recoil Starter:

1. Prepare the Engine: Ensure the engine is turned off, cooled down, and the spark plug wire is disconnected.
2. Remove Old Starter: Locate the existing recoil starter on your MTD TORX engine. Unscrew the mounting bolts that secure it to the engine housing. Carefully remove the old starter.
3. Clean Mounting Area: Clean any debris or residue from the engine's mounting surface where the new starter will be attached.
4. Align New Starter: Position the new AISEN Recoil Starter onto the engine housing, ensuring the mounting holes align correctly. The hole spacing from center hole to center hole is 170 mm.


Image 5.1: View of the recoil starter showing the three mounting points for attachment to the engine.

5. Secure with Screws: Insert the provided mounting screws into the aligned holes. Tighten them securely, but do not overtighten, as this can damage the housing.


Image 5.2: Bottom view of the recoil starter, illustrating the housing and internal components.

6. Reconnect Spark Plug: Once the starter is securely mounted, reconnect the spark plug wire.
7. Test Operation: Gently pull the starter cord a few times to ensure it engages properly and retracts smoothly.

6. Operation

To start your engine using the AISEN Recoil Starter:

1. Ensure the engine's fuel supply is on and the choke (if applicable) is set correctly for starting.
2. Grasp the starter handle firmly.
3. Pull the cord slowly until you feel resistance, then give a quick, strong pull. Do not pull the cord to its full extension or let it snap back.
4. Allow the cord to retract smoothly into the starter housing.
5. Repeat if necessary until the engine starts.

Image 6.1: Side view of the recoil starter, highlighting the ergonomic pull handle.

7. Maintenance

Regular maintenance helps prolong the life of your recoil starter:

• Keep Clean: Periodically clean the starter housing to prevent dirt and debris from interfering with the cord's retraction mechanism.
• Inspect Cord: Regularly inspect the starter cord for signs of fraying, cuts, or excessive wear. Replace the cord if any damage is observed.
• Check Mounting: Ensure the mounting screws remain tight. Retighten if necessary.

8. Troubleshooting

If you encounter issues with your recoil starter, consider the following common problems and solutions:

• Cord Does Not Retract:
  • Check for debris lodged in the starter mechanism.
  • Inspect the spring for damage (requires disassembly, consult a professional if unsure).
• Engine Does Not Start:
  • Ensure the spark plug is connected and functional.
  • Verify fuel levels and proper choke settings.
  • Check for other engine-related issues (e.g., carburetor, ignition).
• Cord Feels Loose or Slips:
  • The internal spring might be damaged or dislodged. Professional repair or replacement may be necessary.

For complex issues, it is recommended to consult a qualified engine technician.

9. Specifications

10. Warranty and Support

For information regarding warranty coverage, returns, or technical support, please refer to the purchase documentation or contact the retailer from whom you purchased this AISEN Recoil Starter. You may also visit the official AISEN brand page on Amazon for additional products and support information: AISEN on Amazon.