1. Introduction
Thank you for choosing the Haswing Osapian 55lbs Transom Mount Electric Trolling Motor. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new trolling motor. Designed for use on lakes and rivers, this DC12V motor offers reliable propulsion with an 8-step speed control system. Please read this manual thoroughly before using the product.
2. Safety Information
WARNING: Failure to follow these safety instructions could result in serious injury or property damage.
- Always read and understand the entire instruction manual before operating the motor.
- Ensure the motor is securely mounted to the boat's transom before connecting power.
- Keep hands, feet, and clothing clear of the propeller at all times, especially when the motor is running.
- Always disconnect the motor from the battery when not in use, during charging, or before performing any maintenance or adjustments.
- Wear a personal flotation device (PFD) when operating any watercraft.
- Avoid operating the motor in extremely shallow water where the propeller could strike the bottom.
- Regularly inspect all electrical connections for corrosion or damage.
- Do not attempt to modify the motor or its components. Use only genuine Haswing replacement parts.
3. Package Contents
Your Haswing Osapian 55lbs Trolling Motor package should include the following:
- Haswing Osapian 55lbs Trolling Motor Unit
- Transom Mount Bracket
- Propeller and mounting hardware
- Instruction Manual
Please inspect all components upon receipt to ensure everything is present and undamaged.
4. Product Features
The Haswing Osapian trolling motor is equipped with several features designed for ease of use and performance:

1. 8-Step Speed Control, 2. Battery Meter, 3. Expandable Handle, 4. Foldable Handle, 5. Bracket, 6. Durable Motor.

The motor offers 10 levels of tilting positions for optimal depth and angle adjustment.

The handle angle can be adjusted from 0 to 110 degrees for comfortable operation and compact storage.

Provides 5-speed levels for forward propulsion and 3-speed levels for reverse, allowing precise control.

A convenient 5-level LED display indicates the current battery power level.

The handle extends up to 350mm, providing comfortable steering from various positions in the boat.
Watch this video for a demonstration of the motor's installation and operation:
Video 1: Haswing Osapian Trolling Motor Demonstration
This video illustrates the setup and basic operation of the trolling motor on a boat.
5. Specifications
| Feature | Specification |
|---|---|
| Voltage - Rated/Max | DC 12V |
| Power - Rated / Max | 600W |
| Peak Thrust | 55 Lbs / 25.0 kg |
| Amp - Rated / Max | 50A |
| Propeller Type/Size | 3-blade prop / 9.3 inch diameter |
| Decibel level (Db) | ≤50db |
| Propeller Speed at full power | Max. 1250 rpm underwater |
| Shaft Type | Cast Aluminum |
| Depth Adjustment | Depth collar |
| Shaft Length | 900mm |
| Steering | 360° lockable |
| Control Type | Tiller |
| Driving Type | 5 Forward / 3 Reverse speeds |
| Total Height | 1225mm |
| Waterproofing grade | IP65 |
| Motor Type | Brush Motor |
| Thrust in HP (Comparable petrol outboards) | 1.5HP |
| Battery Type (Suggestion) | 1 X 105AH Deep Cycle Battery (not included) |
| Max Boat Length (Suggestion) | 5.5m |
6. Setup
6.1 Mounting the Motor
- Position the transom mount bracket on the stern of your boat.
- Securely tighten the clamps of the bracket to the transom. Ensure the motor is firmly attached and cannot shift during operation.
- Adjust the motor's depth using the depth collar. The propeller should be submerged sufficiently to avoid cavitation but not so deep that it drags on the bottom in shallow areas.
- Adjust the motor's tilt angle using the 10-level tilting mechanism (refer to Figure 2) to achieve the desired thrust angle.
6.2 Battery Connection
- Ensure the trolling motor is in the OFF position (speed control at neutral) before connecting the battery.
- Connect the red positive (+) cable from the motor to the positive (+) terminal of your 12V deep cycle battery.
- Connect the black negative (-) cable from the motor to the negative (-) terminal of your 12V deep cycle battery.
- Ensure all connections are tight and free from corrosion.
- It is recommended to use a 105AH deep cycle battery for optimal performance (battery not included).
7. Operation
7.1 Starting the Motor
- Once the motor is securely mounted and connected to the battery, ensure the propeller is clear of any obstructions.
- Turn the speed control handle (refer to Figure 4) to one of the 5 forward speeds or 3 reverse speeds. The motor will begin to operate.
7.2 Speed Control
The tiller handle features an 8-step speed control: 5 forward speeds and 3 reverse speeds. Rotate the handle to select your desired speed. Start with lower speeds and gradually increase as needed.
7.3 Steering
The motor offers 360° lockable steering. Simply turn the tiller handle in the desired direction to steer your boat. The 360° rotation allows for precise maneuvering.
7.4 Tilting and Depth Adjustment
Use the tilting mechanism (Figure 2) to adjust the motor's angle relative to the water. This is useful for navigating shallow areas or optimizing thrust. The depth collar allows you to set the ideal propeller depth.
7.5 Battery Power Display
Monitor the 5-level LED power display (Figure 5) on the motor head to keep track of your battery's charge status. This helps prevent unexpected power loss.
7.6 Stopping the Motor
To stop the motor, return the speed control handle to the neutral (OFF) position. For prolonged stops or when leaving the boat, always disconnect the battery cables.
8. Maintenance
8.1 After Each Use
- Disconnect the motor from the battery.
- Rinse the motor shaft and propeller with fresh water to remove salt, dirt, or debris.
- Inspect the propeller for any fishing line, weeds, or damage. Remove any obstructions carefully.
- Wipe down the motor head and control handle with a clean, dry cloth.
8.2 Battery Care
- Keep your deep cycle battery fully charged when not in use.
- Clean battery terminals regularly to prevent corrosion. Use a wire brush and a mixture of baking soda and water if corrosion is present.
- Store the battery in a cool, dry place.
8.3 General Inspection
- Periodically check all nuts, bolts, and screws for tightness.
- Inspect the power cables for any cuts, fraying, or damage. Replace if necessary.
- Ensure the transom mount clamps are functioning correctly and are not worn.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start | Battery not connected or low charge Blown fuse Speed control in neutral | Check battery connections and charge level Inspect and replace fuse if blown Turn speed control to a forward or reverse setting |
| Low power or speed | Low battery charge Propeller fouled with weeds/line Damaged propeller | Recharge battery Clear propeller of obstructions (disconnect power first!) Replace propeller |
| Excessive noise or vibration | Bent propeller Loose propeller nut Debris in motor housing | Replace propeller Tighten propeller nut Inspect motor for obstructions (disconnect power first!) |
| Battery meter not working | Loose connection to battery Faulty display unit | Check battery connections Contact customer support for repair/replacement |
10. User Tips
- Boat Compatibility: The motor is designed for transom mounting and has a 900mm shaft length. Always verify that this shaft length is suitable for your specific boat model to ensure proper propeller submersion and steering control.
- Optimal Use: This trolling motor is ideal for fishing and general propulsion in calm lake and river environments. Its quiet operation (≤50db) makes it excellent for stealthy approaches to fishing spots.
- Battery Selection: While a 1x105AH deep cycle battery is suggested, consider your typical usage duration and boat size when selecting a battery to ensure adequate run time.
11. Warranty and Support
The Haswing Osapian 55lbs Trolling Motor typically comes with a 2-year warranty, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For technical assistance, troubleshooting beyond this manual, or warranty service, please contact the seller or authorized service center. Refer to your purchase documentation for specific contact details.