1B7-81940-00-00 Starter Solenoid for Yamaha FX Cruiser HO 1800 2015-2023

Starter Solenoid for Yamaha

This starter solenoid for Yamaha FX Cruiser HO 1800 watercraft replaces OEM part 1B7-81940-00-00, providing the current switching needed to engage the starter motor and fire the engine.

Overview

The starter solenoid for Yamaha is a direct-fit electrical relay that sends battery current to the starter motor when the start button is pressed. Matched to the 1B7-81940-00-00 specification, this starter solenoid keeps 2015-2023 FX Cruiser HO 1800 models cranking dependably. It is intended for riders replacing a worn solenoid or servicing the starting circuit.

Built For Performance

• Direct replacement for OEM part number 1B7-81940-00-00
• Heavy-duty contacts rated for repeated high-current starting
• Sealed body protects against water intrusion and corrosion
• Factory-style terminal arrangement simplifies wiring
• Consistent coil engagement across hot and cold conditions

Fits These Machines

• for Yamaha FX Cruiser HO 1800, 2015-2023

On-The-Job Use

• Replacing a solenoid that clicks without cranking
• Routine maintenance on personal watercraft electrical systems
• Restoring dependable starts before launching
• Dealer and DIY repairs on FX Cruiser HO models

Specs At A Glance

Good To Know

Q: What are common signs of a failing solenoid? A: A loud click with no engine crank, or intermittent starting that worsens over time, are typical symptoms. Verifying voltage at the starter terminal helps confirm the diagnosis.

Q: Is this an original Yamaha part? A: No, this is an aftermarket starter solenoid that replaces the OEM 1B7-81940-00-00 part. It is built to match factory fit and function.

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