67C-85790-00-00 Yamaha Thermosensor Assembly | Genuine Used Part

🔧 Product Description

Genuine Yamaha Thermosensor Assembly - Part Number: 67C-85790-00-00

A genuine Yamaha thermosensor assembly used on selected Yamaha F30 and F40 four-stroke outboards. This sensor monitors engine temperature and provides temperature input for the engine protection and warning system where the original 67C sensor number matches.

⚙️ Key Features

• Genuine Yamaha thermosensor assembly

• Correct OEM part number 67C-85790-00-00

• Also listed as 67C-85790-00

• Engine temperature sensor / thermosensor assembly

• Used on selected Yamaha F30 and F40 four-stroke outboards

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 67C-85790-00 Yamaha thermosensor reference

• 67C-85790-00-00 full Yamaha thermosensor assembly reference

OEM / Related Numbers:

• 67C-85790-00-00

• 67C857900000

• 67C-85790-00

• 67C8579000

• Thermosensor assy

• Thermosensor assembly

• Temperature sensor

• Engine temperature sensor

• Overheat sensor

• F30 / F40 thermosensor

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Yamaha F30 / F40 four-stroke engine temperature monitoring systems

Typically suits:

• Engine models:

• Yamaha F30 applications using 67C-85790-00-00

• Yamaha F30A applications using 67C-85790-00-00

• Yamaha F40 applications using 67C-85790-00-00

• Yamaha F40 67C-series four-stroke applications

• Yamaha F30 / F40 electrical-parts diagrams where the thermosensor is listed as 67C-85790-00-00

• HP Range: 30HP - 40HP

• Engine Type: Yamaha four-stroke outboard engine temperature sensor system

• Year Range: model-code controlled

• Serial Note: Match by exact Yamaha model code, serial number, sensor plug, mounting thread / location and electrical-parts diagram before installation.

🔌 Function

The thermosensor monitors engine temperature and sends a temperature signal to the ignition / control system for overheat warning and engine protection functions.

Common signs of failure:

• Overheat warning when engine is not overheating

• No overheat warning during sensor test

• Engine protection mode triggered incorrectly

• Temperature reading missing on compatible systems

• Damaged or corroded sensor connector

• Sensor resistance out of specification

• Fault clears when a known-good thermosensor is fitted

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated