Yamaha 4-Stroke Outboard Thermostat Replacement – Replaces 67F-12411-01-00, 67F-12411-00-00 and 6CB-12411-00-00
Yamaha 4-Stroke Outboard Thermostat Replacement – Replaces 67F-12411-01-00, 67F-12411-00-00 and 6CB-12411-00-00 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Yamaha 4-Stroke Outboard Thermostat Replacement – Replaces 67F-1241...
Yamaha 4-Stroke Outboard Thermostat Replacement – Replaces 67F-12411-01-00, 67F-12411-00-00 and 6CB-12411-00-00 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket thermostat replacement is designed for selected Yamaha 4-stroke outboards. It helps regulate engine operating temperature as part of the cooling system and is intended to replace the original thermostat when inspection or scheduled maintenance indicates service is required.
Catalog references identify this thermostat application with Yamaha part numbers 67F-12411-01-00, 67F-12411-00-00, and 6CB-12411-00-00. These references are supplied for identification and cross-reference purposes only. Confirm the complete engine model, year, and serial-number range before ordering.
- Aftermarket replacement thermostat for selected Yamaha 4-stroke outboards.
- Supports proper cooling-system temperature regulation.
- Direct replacement application where the listed reference number and engine conditions match.
- Thermostat only; this listing is not a water-pump impeller kit.
Part Number References
The following Yamaha numbers are associated with the thermostat application covered by this listing:
| Manufacturer | Reference number | Application note |
|---|---|---|
| Yamaha | 67F-12411-01-00 | Replacement reference for selected F-series applications. |
| Yamaha | 67F-12411-00-00 | Reference appearing in earlier selected F-series applications. |
| Yamaha | 6CB-12411-00-00 | Reference associated with selected VF-series applications. |
Important: Part-number appearance alone does not confirm interchangeability. Match the engine model, model year, stroke, and serial-number range against your original part and the applicable service information.
Engine Compatibility
Available catalog data identifies the following Yamaha 4-stroke applications or application families. The ranges below are not a substitute for a complete model and serial-number check.
| Brand | Model or model family | Horsepower | Stroke | Year or serial condition | Reference |
|---|---|---|---|---|---|
| Yamaha | F75-F250 | 75-250 HP | 4-Stroke | 2005 and newer application range listed in catalog | 67F-12411-01-00 |
| Yamaha | F80, F100, F200, F225 and related F-series models | 80-225 HP | 4-Stroke | Selected 2001-2002 applications identified in engine catalogs | 67F-12411-00-00 |
| Yamaha | VF225LA and VF250LA | 225-250 HP | 4-Stroke | 2010 model applications identified in engine catalogs | 6CB-12411-00-00 |
Model suffixes, shaft versions, production changes, and serial-number breaks can affect fitment. If your model is not shown, compare the thermostat dimensions and reference number with the manufacturer's parts information before purchase.
Technical Specifications
- Product type
- Engine thermostat replacement
- Application
- Selected Yamaha 4-stroke outboard cooling systems
- Replacement style
- Direct replacement where application and reference number match
- Primary reference numbers
- 67F-12411-01-00, 67F-12411-00-00, 6CB-12411-00-00
- Brand status
- Aftermarket replacement; not an original Yamaha component
What’s in the Box
- 1 x Replacement thermostat
Gaskets, seals, housings, water-pump components, and other service parts are not included unless specifically shown or stated in the order information.
Installation Notes
- Allow the engine to cool completely and disconnect the battery before beginning service.
- Locate the thermostat housing using the service manual for the exact engine model.
- Remove the housing cover carefully and note the position of the original thermostat, gasket, and seal.
- Clean the mating surfaces and inspect the housing for corrosion, damage, or obstruction.
- Install the replacement thermostat in the correct orientation using the appropriate new gasket or seal when required.
- Reassemble the housing and tighten fasteners according to the engine manufacturer's specified procedure and torque.
- Run the engine with an adequate water supply and check for leaks, overheating warnings, and normal cooling-system operation.
Because thermostat housings and sealing requirements vary by model, use the applicable Yamaha service manual for detailed procedures and torque specifications.
Maintenance & Troubleshooting
What are signs of a thermostat problem?
Possible symptoms include abnormal operating temperature, overheating warnings, poor temperature regulation, restricted cooling-water flow, or a thermostat that remains open or closed. These symptoms can also be caused by other cooling-system faults, so inspect the complete system before replacing parts.
Is this a water-pump impeller kit?
No. This listing is for a thermostat replacement. It does not include a water-pump impeller, insert cup, wear plate, key, or water-pump housing components.
How do I confirm fitment?
Compare the reference number on your original thermostat and verify the complete engine make, horsepower, model designation, year, stroke, and serial-number range. Do not rely on horsepower alone.
Is this an OEM Yamaha part?
No. This is an aftermarket replacement intended for the applications identified above. Yamaha is a trademark of its respective owner and is used only to identify compatibility.
Safety & Important Information
- Work only on a cool engine and follow the applicable service manual.
- Verify the part number, model, year, stroke, and serial-number conditions before installation.
- Do not operate an outboard that shows overheating, cooling-system leaks, or warning alarms until the cause has been identified.
- Professional installation is recommended if you are not experienced with outboard cooling-system service.
About Sea Sierra
Sea Sierra supplies aftermarket marine replacement parts for routine maintenance and repair. Select the part by verified application details rather than by horsepower alone, and contact support if you need help comparing your original part with the listed references.
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