67C-85790-00-00 Yamaha Thermosensor Assembly | Genuine Used Part
67C-85790-00-00 Yamaha Thermosensor Assembly | Genuine Used Part
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🔧 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
🚤 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
🔄 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
📦 Condition
- Genuine used part
- Removed from running engine where applicable
- In good working condition unless otherwise stated
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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