1. Introduction
This manual provides comprehensive instructions for the safe and correct installation of the Owigift Starter Motor Replacement. This part is designed for specific Gravely ZT2048 Zero-Turn Lawn Mowers equipped with Briggs & Stratton engines. Please read all instructions carefully before proceeding with installation to ensure proper function and safety.

Figure 1: Owigift Starter Motor Replacement. This image shows the complete starter motor unit, featuring its housing, solenoid, and gear assembly.
2. Safety Information
WARNING: Always prioritize safety. Failure to follow these safety instructions may result in serious injury or damage to equipment.
- Disconnect the battery's negative terminal before beginning any work on the electrical system to prevent accidental starting or electrical shock.
- Ensure the engine is cool before handling components.
- Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
- Work in a well-ventilated area.
- If you are unsure about any step, consult a qualified service technician.
3. Package Contents
Verify that all components are present and undamaged before beginning installation.
- 1 x Owigift Starter Motor Replacement (Model 915038)
- (Note: Mounting hardware may not be included and should be reused from the original unit or purchased separately if needed.)
4. Installation Instructions
This section outlines the steps for replacing the starter motor. Refer to your mower's service manual for specific torque specifications and additional details if available.
- Prepare the Mower:
- Park the mower on a level surface.
- Engage the parking brake.
- Turn off the engine and remove the ignition key.
- Disconnect the negative (-) battery cable first, then the positive (+) battery cable.
- Locate the Starter Motor:
The starter motor is typically located on the engine block, often near the flywheel housing. It will have thick battery cables connected to it.
- Disconnect Wiring:
- Carefully disconnect the main battery cable (usually thick, positive) from the starter solenoid terminal.
- Disconnect the smaller ignition wire (solenoid activation wire) from the starter solenoid terminal.
- Note the position of each wire for correct reinstallation.
- Remove Old Starter Motor:
- Remove the mounting bolts that secure the starter motor to the engine block. There are typically two or three bolts.
- Carefully pull the old starter motor away from the engine. Be aware that it may be heavy.
- Install New Starter Motor:
- Align the new Owigift starter motor with the mounting holes on the engine block.
- Ensure the starter gear properly engages with the engine's flywheel. Do not force it.
- Insert and hand-tighten the mounting bolts.
- Tighten the mounting bolts securely. Refer to your mower's service manual for specific torque values.
- Reconnect Wiring:
- Reconnect the smaller ignition wire to the appropriate terminal on the starter solenoid.
- Reconnect the main battery cable to the main terminal on the starter solenoid. Ensure connections are clean and tight.
- Reconnect the positive (+) battery cable to the battery, then the negative (-) battery cable.
- Test the Starter:
- Attempt to start the mower. Listen for proper starter engagement and engine cranking.
- If the engine does not crank or the starter makes unusual noises, refer to the Troubleshooting section.
5. Operating Instructions
This product is a replacement part and does not have separate operating instructions. For information on operating your Gravely ZT2048 Zero-Turn Lawn Mower, please refer to the original manufacturer's owner's manual.
6. Maintenance
The Owigift Starter Motor Replacement is designed to be maintenance-free. No user-serviceable parts or routine lubrication are required. Ensure all electrical connections remain clean and tight for optimal performance.
7. Troubleshooting
If you encounter issues after installing the new starter motor, review the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Starter motor does not engage or click. |
|
|
| Starter motor spins but engine does not crank. |
|
|
| Starter motor makes grinding noise. |
|
|
If these steps do not resolve the issue, it is recommended to consult a professional mechanic or the mower's manufacturer for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Owigift |
| Model Number | 915038 |
| Compatibility | Gravely ZT2048 Zero-Turn Lawn Mower with Briggs & Stratton Engine |
| ASIN | B097L4D544 |
| UPC | 017015814232 |
9. Warranty and Support
This product is covered by a standard return policy. For specific warranty details and support, please refer to the seller's return policy on the purchase platform or contact Owigift directly. The typical return duration is 30 days from the date of purchase for refund or replacement.
For technical assistance or inquiries, please contact the manufacturer or your point of purchase.