1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your DB Electrical SCH0002 Starter Motor. This starter is designed as a direct replacement for various ATV, Go-Kart, and Scooter models. Please read these instructions carefully before proceeding with installation or use to ensure safety and optimal performance.
2. Product Specifications
| Specification | Detail |
|---|---|
| Unit Type | Starter |
| Voltage | 12 Volts |
| Rotation | CW (Clockwise) |
| Teeth | 9 |
| Starter Type | PMDD (Permanent Magnet Gear Reduction) |
| Material | Metal |
| Dimensions (L x W x H) | 16.8 x 9.4 x 7.6 cm |
| Item Weight | 0.94 Kilograms (939 g) |
3. Compatibility
The DB Electrical SCH0002 Starter Motor is compatible with a wide range of vehicles. Please verify your vehicle's OEM part number against the list below before installation.
Replaces OEM Numbers:
- ARROWHEAD: SCH0002
- BMS MOTOR: 30391-C5-31
- E-TON: 800176
- EAGLE POWERSPORTS: 11615-A90-13
- HAMMERHEAD: M150-1054000
- J & N: 410-58003
- KYMCO: 31210-GY6-9000
- LESTER: 19572
- POLARIS: 0454488, 0454945
- TUCKER ROCKY: 495784, 49-5784
- VENTO: 34200-H03-F000
- WAI: 19572N
Compatible With/Replacement For:
- BMS MOTOR SPORTS: 150cc Sports, Bemine 150cc, Go Kart 150cc, Heritage 150cc, Pathfinder 150cc, Pinnacle 150cc, Robot 150cc, Romans 150cc, Teamguys 150cc
- EAGLE: ATM 150, B08 150, Capri 150, Carino 150, CY 150, Eagle 150, Euro 150, GK150, GSR 150, Hanwei 150, Milano 150, Racer 150, Reaction 150 Auto, Rugged 150, Sport Utility 150 HW, Sporty 150, ST 150, STI 150, T-5 150, T-8 150, Tianke 150, Touring A 150, Touring B 150, Trail Master 150
- E-TON: CXL-150 Yukon II 150, PN2F Beamer R4-150, RXL-150R Viper 150R, YXL-150 Yukon 150
- GMI: GMI 406
- GO SCOOT: Jaguar 150
- HAMMERHEAD: GL150, GT 150, GTS Platinum, Junior 150, Standard 150, Supersport 150
- KAZUMA: Dingo 150, Falcon 150
- POLARIS: RZR 170 (2009-2018)
- REDCAT: KMZ-150, VX-150
4. Setup and Installation
Installation of a starter motor requires mechanical aptitude. If you are unsure about any steps, it is recommended to seek professional assistance.
Safety Precautions:
- Always disconnect the vehicle's battery (negative terminal first) before beginning any electrical work.
- Wear appropriate personal protective equipment, including safety glasses and gloves.
- Ensure the vehicle is on a stable, level surface and properly supported if lifting is required.
General Installation Steps:
- Locate the Old Starter: Identify the existing starter motor on your vehicle. It is typically mounted on the engine block, near the flywheel or flexplate.
- Disconnect Wiring: Carefully disconnect all electrical connections from the old starter. This usually includes a main battery cable and a smaller solenoid wire. Note their positions for reinstallation.
- Remove Mounting Bolts: Unbolt the old starter from the engine block. There are typically two or three mounting bolts.
- Remove Old Starter: Carefully remove the old starter motor from its mounting position.
- Compare New and Old: Before installing the new DB Electrical SCH0002 starter, compare it side-by-side with the old unit to ensure they are identical in size, mounting points, and electrical connections.
- Install New Starter: Position the new starter motor and secure it with the mounting bolts. Tighten bolts to the manufacturer's specified torque.
- Reconnect Wiring: Reconnect the electrical wires to the new starter, ensuring all connections are clean and tight. The main battery cable connects to the larger terminal, and the solenoid wire to the smaller terminal.
- Reconnect Battery: Reconnect the vehicle's battery (positive terminal first, then negative).
- Test Operation: Attempt to start the vehicle to confirm proper operation of the new starter.

Image 1: Front view of the DB Electrical SCH0002 Starter Motor, highlighting the 9-tooth gear/spline for engaging the engine's flywheel.

Image 2: Side view of the DB Electrical SCH0002 Starter Motor, illustrating its overall length and the location of the electrical terminals.
5. Operating Instructions
The starter motor is an integral part of your vehicle's ignition system, responsible for cranking the engine to initiate combustion. Once installed, its operation is automatic when the ignition key is turned to the 'start' position or the start button is pressed.
- Ensure the vehicle's battery is fully charged and in good condition.
- Turn the ignition key to the 'start' position or press the start button. The starter motor will engage the engine's flywheel, causing the engine to crank.
- Release the key/button once the engine starts. Do not hold the starter engaged for more than 5-10 seconds at a time to prevent overheating. Allow a brief cool-down period between starting attempts.
6. Maintenance
Proper maintenance can extend the life of your starter motor and prevent premature failure.
- Battery Health: A strong, fully charged battery is crucial. Regularly check your battery's voltage and ensure its terminals are clean and free of corrosion. A weak battery can overwork the starter.
- Electrical Connections: Periodically inspect all electrical connections to the starter motor. Ensure they are clean, tight, and free from corrosion. Loose or corroded connections can lead to poor performance or damage.
- Mounting Security: Check that the starter motor's mounting bolts are secure. Vibrations can loosen bolts over time, affecting starter alignment and function.
- Avoid Excessive Cranking: Limit cranking attempts to short bursts (5-10 seconds) to prevent the starter from overheating.
7. Troubleshooting
If your vehicle experiences starting issues, consider the following common troubleshooting steps:
- Engine Does Not Crank or Cranks Slowly:
- Possible Cause: Weak or dead battery.
- Solution: Test battery voltage, charge or replace if necessary. Check battery terminals for corrosion and tightness.
- Possible Cause: Loose or corroded starter connections.
- Solution: Inspect and clean all electrical connections to the starter.
- Possible Cause: Faulty ignition switch or starter relay.
- Solution: Test these components according to your vehicle's service manual.
- Starter Clicks But Engine Does Not Crank:
- Possible Cause: Insufficient power reaching the starter (often due to a weak battery or poor connections).
- Solution: Check battery charge and all high-current connections.
- Possible Cause: Faulty starter solenoid (integrated into the starter motor).
- Solution: If battery and connections are good, the starter motor itself may need replacement.
- Grinding Noise During Starting:
- Possible Cause: Improper starter engagement with the flywheel, or damaged starter gear/flywheel teeth.
- Solution: Inspect starter mounting and the condition of the gear and flywheel teeth. Ensure the starter is correctly aligned.
8. Warranty and Support
Your DB Electrical SCH0002 Starter Motor is backed by a 1-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
If you encounter any issues with your product within the warranty period, please contact DB Electrical customer support. Provide your purchase details and a description of the problem for assistance with troubleshooting or replacement.
For further support or inquiries, please refer to the contact information provided with your purchase or visit the official DB Electrical website.





