1B7-81940-00-00 Starter Solenoid for Yamaha 275SD 1800 2019-2026

Starter Solenoid for Yamaha

This starter solenoid for Yamaha 275SD 1800 delivers reliable high-current switching to engage the starter motor, cross-referenced to OEM part 1B7-81940-00-00.

Overview

This starter solenoid for Yamaha is a direct-fit electrical relay that routes battery power to the starter motor when the ignition is engaged. It replaces worn or failed solenoids on 2019-2026 275SD 1800 models to restore dependable starting. Built for marine use, this starter solenoid for Yamaha suits owners performing their own maintenance.

Built For Performance

• Cross-referenced to OEM part number 1B7-81940-00-00 for confident fitment
• Heavy-duty internal contacts rated for repeated high-current starting cycles
• Sealed housing resists moisture and salt spray common in marine engine bays
• Direct bolt-in replacement for the factory solenoid location
• Stable terminal posts for secure battery and starter cable connections

Fits These Machines

• for Yamaha 275SD 1800, 2019
• for Yamaha 275SD 1800, 2020
• for Yamaha 275SD 1800, 2021
• for Yamaha 275SD 1800, 2022
• for Yamaha 275SD 1800, 2023
• for Yamaha 275SD 1800, 2024
• for Yamaha 275SD 1800, 2025
• for Yamaha 275SD 1800, 2026

On-The-Job Use

• Replacing a solenoid that clicks but will not crank the engine
• Restoring reliable ignition response on 2019-2026 275SD 1800 boats
• Scheduled electrical maintenance on marine starter systems

Specs At A Glance

Good To Know

Q: How do I know if my starter solenoid has failed? A: A solenoid that clicks without cranking, or shows no voltage at the starter terminal, is a common sign it needs replacement. Test the small trigger wire for power before swapping parts.

Q: Are terminal connections included? A: This solenoid is supplied as the component itself, so reuse your existing cables and hardware unless they show corrosion. Clean and tighten all connections during installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.