1B7-81940-00-00 Starter Solenoid for Yamaha 255 FSH Sport H 1800

Starter Solenoid for Yamaha 255 FSH Sport H 1800

A replacement starter solenoid that engages the starter motor on 2024-2026 Yamaha 255 FSH Sport H 1800 boats, cross-referenced to OEM part number 1B7-81940-00-00.

Overview

This starter solenoid for Yamaha 255 FSH Sport H 1800 provides the heavy-duty switching that sends cranking current to the starter motor. It replaces the factory solenoid, so the Yamaha 255 FSH Sport H 1800 ignition button gets a quick, dependable start every time. A solid choice for boat owners who service their own electrical system.

Built For Performance

• Copper contact points transfer high cranking current with minimal voltage drop
• Sealed housing resists moisture and salt spray in engine compartments
• Direct replacement for OEM part number 1B7-81940-00-00
• Mounting holes match the original solenoid position
• Terminal layout matches the Yamaha factory wiring arrangement

Fits These Machines

• for Yamaha 255 FSH Sport H 1800, 2024
• for Yamaha 255 FSH Sport H 1800, 2025
• for Yamaha 255 FSH Sport H 1800, 2026

On-The-Job Use

• Starting the engine on launch ramps and docks
• Replacing a solenoid that clicks without engaging the starter
• Routine electrical maintenance on jet boats
• Keeping a spare solenoid aboard during the boating season

Specs At A Glance

Good To Know

Q: Can I install this myself? A: Yes, the solenoid connects in line with the starter cable and the wires that fit the Yamaha factory harness. Basic hand tools and a wrench for the main terminals are enough for most owners.

Q: What if I hear a single click and the engine will not crank? A: A single click from the solenoid often points to a failing internal contact or a weak battery. Test the battery first, then replace the solenoid if the terminals show corrosion or the click continues.

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