1. Introduction and Overview
This instruction manual provides essential information for the proper installation, operation, and maintenance of your new Generic replacement starter motor. This component is designed to be compatible with VM Motori HR 694 HT 10 (1986) and BMW D150 (1981-1985) vehicles. Please read this manual thoroughly before attempting any installation or operation to ensure safety and optimal performance.
It is crucial to verify the part number of your item against the original component to ensure correct fitment. Matching information is provided for reference only, and final compatibility should always be confirmed prior to installation.
2. Safety Information
- Always disconnect the vehicle's battery (negative terminal first) before beginning any work on the electrical system to prevent accidental starting or electrical shock.
- Wear appropriate personal protective equipment, including safety glasses and gloves, during installation.
- Ensure the vehicle is securely supported on jack stands if working underneath. Do not rely solely on a jack.
- Avoid contact with hot engine components.
- If you are unsure about any step of the installation process, consult a qualified automotive technician.
3. Package Contents
Your package should contain the following item:
- 1 x Generic Replacement Starter Motor (Model: StoneKAE440810)
4. Setup and Installation
This replacement starter motor is designed for quick and easy installation, having undergone impact, wear, and fatigue testing to ensure quality and durability. However, proper installation is critical for its function and longevity.
- Preparation: Park the vehicle on a level surface, engage the parking brake, and disconnect the negative terminal of the battery.
- Locate the Old Starter: Identify the existing starter motor, typically mounted on the engine block near the transmission.
- Disconnect Wiring: Carefully disconnect all electrical connections from the old starter motor. Note their positions for reinstallation.
- Remove Mounting Bolts: Remove the bolts securing the old starter motor to the engine or transmission housing. Support the starter as you remove the last bolt to prevent it from falling.
- Remove Old Starter: Carefully extract the old starter motor from its mounting position.
- Install New Starter: Position the new Generic replacement starter motor in place. Ensure the gear aligns correctly with the flywheel.
- Secure Mounting Bolts: Install and tighten the mounting bolts to the manufacturer's specified torque.
- Reconnect Wiring: Reconnect all electrical wires to the new starter motor, ensuring secure and clean connections.
- Reconnect Battery: Reconnect the negative terminal of the vehicle's battery.
- Test: Attempt to start the vehicle to confirm proper operation.
Important Note: Product functions are fully compatible with the original equipment. Minor cosmetic differences may occur across production batches; please refer to the actual product for details.

Image showing the complete Generic replacement starter motor, highlighting its main body, gear, and electrical connections.
5. Operating Instructions
The Generic replacement starter motor operates identically to the original equipment. To start your vehicle:
- Ensure the vehicle is in Park (P) or Neutral (N).
- Insert the ignition key and turn it to the 'Start' position.
- Hold the key in the 'Start' position until the engine begins to run, then release it. Do not crank the engine for more than 10-15 seconds at a time to prevent overheating the starter. Allow a brief cool-down period between attempts if the engine does not start immediately.
6. Maintenance
While starter motors are generally low-maintenance components, periodic inspection can help ensure long-term reliability:
- Inspect Connections: Periodically check all electrical connections to the starter motor for tightness and corrosion. Clean any corroded terminals.
- Battery Health: Ensure your vehicle's battery is in good condition and fully charged, as a weak battery can strain the starter motor.
- Cable Integrity: Inspect battery cables and starter cables for any signs of damage, fraying, or excessive wear.
7. Troubleshooting
If you experience issues with your starter motor, consider the following common problems and solutions:
- Engine Does Not Crank or Cranks Slowly:
- Check battery charge and terminals.
- Inspect starter motor electrical connections for looseness or corrosion.
- Listen for a clicking sound from the starter solenoid; this may indicate a weak battery or a faulty solenoid.
- Starter Engages but Engine Does Not Start:
- This typically indicates an issue with the engine's fuel, ignition, or compression system, not the starter motor itself.
- Grinding Noise During Start:
- Could indicate improper engagement of the starter gear with the flywheel, or worn teeth on either component. Re-check installation.
If troubleshooting steps do not resolve the issue, it is recommended to seek professional diagnosis.
8. Specifications
- Brand: Generic
- Manufacturer: StoneKAE
- Manufacturer Part Number: StoneKAE440810
- ASIN: B0FX8VM267
- Compatibility: VM Motori HR 694 HT 10 (1986), BMW D150 (1981-1985)
- Package Contents: 1 Starter Motor
9. Support
This product is a replacement part. While it is designed to meet or exceed the performance of the original equipment, it is not a genuine OEM part. In case of any issues or questions regarding the installation, operation, or performance of your Generic replacement starter motor, please reach out to our support team for assistance. We are committed to ensuring your satisfaction.