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Yamaha Outboard Parts
Shop OEM and aftermarket Yamaha outboard parts for maintenance, repair, troubleshooting, and complete engine rebuild projects. Browse Yamaha marine parts by system, including cooling, fuel delivery, electrical, internal engine components, lower unit parts, steering, trim, and routine service items.
Pro Marine USA carries Yamaha outboard engine parts for a wide range of 2-stroke, Four Stroke, VMAX SHO, HPDI, and offshore applications. Use your engine horsepower, model code, serial number, or OEM part number whenever possible to confirm fitment before ordering.
Shop Yamaha Outboard Parts by System
- Complete Powerheads
- Control Cables & Boxes
- Cooling System
- Cowlings & Components
- Electrical System
- Engine Oil
- Engine Rebuild Kits
- Fuel & Carburetion System
- Intake System
- Internal Engine Components
- Lower Unit Components
- Oiling System
- Paints
- Service & Oil Change Kits
- Service Manuals
- Steering Systems
- Throttle Components
- Transom & Midsection
- Trim System
Find the Correct Yamaha Outboard Part
Yamaha outboard parts can vary by horsepower, model code, production year, and engine family. If you are unsure which component fits your engine, use the OEM parts lookup to locate the original Yamaha part number from a factory diagram.
Once you have the OEM part number, search Pro Marine to find available genuine Yamaha and aftermarket replacement options.
Use Our OEM Parts Lookup »Common Yamaha Outboard Engine Families
Pro Marine supports many popular Yamaha outboards across a wide horsepower range. Always confirm the exact model code and engine identification information before ordering parts.
- Portable and Midrange: Yamaha 2HP through 60HP 2-stroke and Four Stroke applications
- Inline Four-Cylinder: common Yamaha F70 through F150 platforms
- V6 Four Stroke: popular F150 through F300 engine families
- VMAX SHO: performance-oriented Yamaha SHO applications across multiple horsepower ranges
- HPDI: high-pressure direct-injection Yamaha 2-stroke applications
- High-Horsepower Offshore: Yamaha F350, XF425, XF450, and other large-displacement offshore platforms
Common Yamaha Outboard Repair Areas
- Engine overheating: inspect the water pump, impeller, thermostat, pressure-control components, cooling passages, and engine anodes.
- Hard starting or rough running: inspect fuel pumps, filters, injectors or carburetors, spark plugs, ignition components, and intake sealing.
- Charging or ignition problems: inspect ignition coils, stators, rectifier/regulators, sensors, wiring, grounds, and related electrical components.
- Low compression or power loss: inspect pistons, rings, cylinder condition, valves where applicable, bearings, gaskets, and internal engine components.
- Lower unit noise or water intrusion: inspect prop shaft seals, driveshaft seals, shift shaft seals, bearings, gears, and gear lube condition.
- Trim or steering problems: inspect trim motors, hydraulic components, steering cylinders, hoses, seals, and related rigging parts.
Why Buy Yamaha Outboard Parts from Pro Marine USA?
- OEM Yamaha and aftermarket replacement options for many common applications.
- Parts for routine maintenance, professional repair, complete engine rebuilds, lower units, fuel systems, electrical systems, steering, and trim.
- OEM diagram and part-number lookup tools to help identify the correct component before ordering.
- Dealer pricing available for qualified marine repair businesses and dealers.
- Large selection of Yamaha service kits, engine parts, lower unit components, cooling parts, and fuel system products.
- Fast weekday shipping on qualifying in-stock orders.
Frequently Asked Questions
How do I find the correct Yamaha outboard part?
Start with the engine horsepower, model code, production year, and any available serial or identification information. Use the OEM parts lookup to identify the original Yamaha part number whenever possible.
Can I search Yamaha parts by OEM part number?
Yes. Enter the Yamaha OEM part number into the Pro Marine site search to locate available OEM and aftermarket replacement options. If you do not know the part number, use the OEM parts lookup first.
Do Yamaha outboard parts vary by model and year?
Yes. Yamaha may use different components across engines with the same horsepower depending on model code, engine family, and production year. Confirm the complete engine identification information before ordering.
Do you carry parts for Yamaha VMAX SHO and HPDI engines?
Yes. Pro Marine carries parts for many Yamaha VMAX SHO, HPDI, Four Stroke, 2-stroke, and offshore applications, including maintenance, cooling, fuel, electrical, internal engine, lower unit, steering, and trim components.
Do you carry both OEM and aftermarket Yamaha parts?
Yes. Pro Marine offers genuine Yamaha parts along with aftermarket replacement parts for many common Yamaha outboard maintenance, repair, and rebuild applications.
What Yamaha outboard parts are commonly replaced during routine maintenance?
Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump kits, impellers, thermostats, gear lube, drain plug seals, anodes, and model-specific service kit components.
Fitment Tip: Yamaha parts can vary by model code, engine family, production year, and horsepower. Confirm the OEM part number or complete engine identification information whenever possible before ordering.
11919001
119196001
6E5-12411-00-00
6E5-12411-01-00
6E5-12411-02-00
47-84797M
689-44352-00-00
689-44352-01-00
689-44352-02-00
8M0175388
8M6010331
81604M
84797M
89890
6DA-12411-01-00
8M0175324
8M6010299
EMP Thermostat Assembly
Aftermarket Yamaha 4.2L V6 Thermostat
This EMP thermostat assembly is an aftermarket replacement for Yamaha OEM part number 6CE-12411-00-00 and Mercury cross reference 8M6012799.
The thermostat regulates engine cooling system temperature to help maintain proper engine operating temperature, fuel efficiency, corrosion protection, and reliable engine performance.
Compatible Applications
| Engine Range | Engine Type | System | Application Notes |
|---|---|---|---|
| Yamaha F225 / LF225 | 4.2L FourStroke V6 | Cooling System | Select models using thermostat 6CE-12411-00-00 |
| Yamaha F250 / LF250 | 4.2L FourStroke V6 | Cooling System | Select offshore and standard rotation applications |
| Yamaha F300 / LF300 | 4.2L FourStroke V6 | Cooling System | Used in compatible offshore cooling systems |
| Yamaha VF250 | V MAX SHO 4.2L | Cooling System | Select SHO cooling system applications |
Mercury OEM number 8M6012799 cross references this Yamaha thermostat for compatible Mercury-branded Yamaha powerhead applications.
Always verify your model number, serial number, and cooling system diagram before ordering thermostats and cooling system components.
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| EMP | 6CE-12411E |
| Replaces Yamaha OEM | 6CE-12411-00-00 |
| Replaces Mercury OEM | 8M6012799 |
| Alternate Search Format | 6CE124110000 |
OEM and Pro Marine Alternatives
What This Thermostat is Used For
This thermostat is used in compatible Yamaha and Mercury FourStroke cooling systems to regulate engine operating temperature.
The thermostat controls coolant flow through the engine to help the engine warm up properly and maintain consistent operating temperature.
A faulty thermostat may contribute to overheating, improper engine temperature, poor fuel efficiency, or excessive engine wear.
Replacing worn thermostats during cooling system maintenance helps maintain reliable engine performance and cooling system operation.
Key Features and Benefits
- EMP aftermarket thermostat assembly
- Replaces Yamaha thermostat 6CE-12411-00-00
- Fits select Yamaha F225, F250, F300, LF-series, and VF250 models
- Designed for Yamaha 4.2L V6 cooling systems
- Helps maintain proper engine operating temperature
- Supports cooling system performance and engine efficiency
- Aftermarket alternative to OEM Yamaha thermostat
Thermostat Details
- Brand: EMP
- Part Type: Thermostat Assembly
- EMP Part Number: 6CE-12411E
- Replaces OEM: Yamaha 6CE-12411-00-00
- Mercury Cross Reference: 8M6012799
- Application: Yamaha 4.2L V6 Cooling Systems
- System: Cooling System
- Use: Engine temperature regulation
- Quantity Sold: Each
FAQ
What does EMP 6CE-12411E replace?
This thermostat replaces Yamaha OEM thermostat 6CE-12411-00-00 and Mercury thermostat 8M6012799.
What engines does this thermostat fit?
This thermostat fits select Yamaha F225, F250, F300, LF-series, and VF250 4.2L V6 outboards.
What does this thermostat do?
It regulates engine cooling system temperature and coolant flow.
Can a bad thermostat cause overheating?
Yes. A faulty thermostat may restrict coolant flow or prevent proper engine temperature regulation.
Is this an OEM Yamaha thermostat?
No. This is an EMP aftermarket replacement thermostat.
Are OEM and Pro Marine versions available?
Yes. OEM Yamaha and Pro Marine replacement versions are also available.
Should I verify fitment before ordering?
Yes. Yamaha used multiple thermostat configurations depending on model and production range.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Cooling system components should be installed only after confirming correct fitment.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
6CE-12411E, 6CE-12411-00-00, 8M6012799, EMP thermostat, Yamaha thermostat, Yamaha 4.2 thermostat, Yamaha F225 thermostat, Yamaha F250 thermostat, Yamaha F300 thermostat, Yamaha LF250 thermostat, Yamaha LF300 thermostat, Yamaha VF250 thermostat, Mercury thermostat, Mercury 8M6012799, offshore thermostat, cooling system thermostat, FourStroke thermostat
6CE-12411-00-00
8M6012799
6Y5-8350T-D1-00
6Y5-8350T-D2-00
6Y5-8350T-D3-00
6Y5-8350T-E0-00
6Y5-8350T-E1-00
6Y5-8350T-E2-00
6Y5-8350T-00-00
6Y5-8350T-01-00
6Y5-8350T-80-00
6Y5-8350T-81-00
6Y5-8350T-82-00
6Y5-8350T-83-00
6Y5-83500-T0-00
6Y5-83500-T1-00
6Y5-83500-T2-00
90280-03M07-00
90280-03003-00
90280-03024-00
90820-03024-00