1B7-81940-00-00 Starter Solenoid for Yamaha FX Cruiser HO 1900 2024-2025

Starter Solenoid for Yamaha

This starter solenoid for Yamaha FX Cruiser HO 1900 watercraft replaces OEM part 1B7-81940-00-00, delivering the high-current switching that engages your engine's starter motor reliably.

Overview

The starter solenoid for Yamaha is a direct-fit electrical relay that routes battery power to the starter motor when you press the start button. Built to match the 1B7-81940-00-00 specification, this starter solenoid restores dependable cranking on 2024-2025 FX Cruiser HO 1900 models. It suits riders replacing a failed solenoid or refreshing the starting circuit before the season begins.

Built For Performance

• Direct replacement for OEM part number 1B7-81940-00-00
• Heavy-duty internal contacts handle repeated high-current starting cycles
• Sealed housing resists water spray and marine corrosion
• Precise terminal layout matches the factory connector for straightforward installation
• Stable coil winding for consistent engagement across temperature swings

Fits These Machines

• for Yamaha FX Cruiser HO 1900, 2024-2025

On-The-Job Use

• Replacing a solenoid that clicks but will not crank the engine
• Seasonal maintenance on personal watercraft starting systems
• Restoring reliable cold starts on the water
• Shop and DIY electrical repairs on FX Cruiser HO models

Specs At A Glance

Good To Know

Q: How do I know the solenoid is the problem? A: A single loud click with no cranking often points to a solenoid that is not passing current to the starter. Test for voltage at the starter terminal while pressing start to confirm.

Q: Is this an original Yamaha part? A: No, this is an aftermarket starter solenoid built to replace the OEM 1B7-81940-00-00 part. It is designed 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.