1B7-81940-00-00 Starter Solenoid for Yamaha 252S 1900 2024-2026

Starter Solenoid for Yamaha 252S 1900

This starter solenoid for Yamaha 252S 1900 boats (2024-2026) is a replacement electrical relay that switches battery power to the starter motor on key turn, carrying the OEM cross-reference 1B7-81940-00-00.

Overview

This starter solenoid for Yamaha 252S 1900 is a replacement relay that delivers high-current battery power to the starter motor when activated. It keeps starting dependable by engaging the starter cleanly every time the key is turned. A practical fix for Yamaha 252S 1900 owners diagnosing a no-crank or weak-crank condition.

Built For Performance

• Direct replacement for OEM part number 1B7-81940-00-00
• Robust internal contacts rated for repeated high-current starting cycles
• Sealed housing resists moisture and spray in marine engine compartments
• Weather-resistant terminals maintain solid conductivity in wet conditions
• Mounts in the factory solenoid position for a clean install

Fits These Machines

• for Yamaha 252S 1900, model years 2024-2026

On-The-Job Use

• Replacing a worn solenoid causing slow or failed cranking
• Electrical troubleshooting on the starting circuit
• Restoring dependable starts before heading out on the water

Specs At A Glance

Good To Know

Q: What are common signs of a bad starter solenoid? A: A single click with no crank, intermittent starting, or no response at all when turning the key are typical symptoms. Confirming battery voltage at the starter terminal during cranking helps verify the solenoid is the issue.

Q: Is this an original Yamaha part? A: No, this is an aftermarket replacement solenoid that cross-references OEM number 1B7-81940-00-00. It is not manufactured by or affiliated with Yamaha.

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