Recmar Yamaha F20F F20G F25G Thermostat 60C 6FM-12411-00
REC6FM-12411-00
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Recmar Yamaha 6FM-12411-00 Thermostat
60°C / 140°F thermostat for selected 20–25 HP four-stroke outboards
RECMAR aftermarket replacement for Yamaha thermostat 6FM-12411-00. This part is associated with the later F20F, F20G and F25G four-stroke families and must be matched by OEM number rather than horsepower alone.
Key Features
- Aftermarket RECMAR part; not genuine Yamaha
- 60°C / 140°F nominal calibration
- For selected Yamaha F20F, F20G and F25G four-strokes
- Also cross-referenced for compatible Selva applications using the same Yamaha-derived part number
- Direct cooling-system service replacement
- One thermostat supplied
Technical Specs
| Part type | Cooling thermostat |
| Opening temperature | 60°C / 140°F nominal |
| Engine range | Selected 20–25 HP four-stroke |
| Supply | 1 thermostat |
| 4Boats SKU | REC6FM-12411-00 |
Confirmed Compatibility
| Exact Yamaha engine application | Years / model range |
|---|---|
| F20 FourStroke variants: LMHB, LWB, LWHB, LWPB, LWPHB, SMHB, SWB, SWHB, SWPB | 2018–2022 |
| F25LC / F25LMHC | 2016–2022 |
| F25LWC / LWHC / SMHC / SWC / SWHC | 2016–2021 |
| F25LWTC | 2017–2020 |
| T25LWTC / T25XWTC | 2019–2021 |
Part Number Cross Reference
| Yamaha OEM | 6FM-12411-00; 6FM-12411-00-00 |
| RECMAR / 4Boats | REC6FM-12411-00 |
| Alternate search format | 6FM1241100 |
Frequently Asked Questions
Is this a Yamaha-branded part?
No. It is a RECMAR aftermarket replacement.
Which models are the core fitment?
Selected Yamaha F20F, F20G and F25G four-stroke engines using 6FM-12411-00.
Can I buy by horsepower only?
No. Yamaha used different cooling components across production families.
What should I inspect during replacement?
Inspect the thermostat seat, cover and seal for corrosion or damage and renew the seal as required.
Installation note: Allow the engine to cool, renew any disturbed seal or gasket where required, and follow the engine manufacturer's service procedure. After installation, run the engine and check for leaks and correct cooling-water flow.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
