Your Professional Yamaha Outboard Thermostat Supplier
Hangzhou Starwave Technology Co., Ltd. is a professional enterprise focusing on the full-range supply of outboard motor parts. Its core competitiveness comes from our own physical factory-a precision manufacturing base with decades of experience in manufacturing core components of internal combustion engines.We are highly compatible with nearly 100 models of global mainstream outboard motor brands such as Mercury, Yamaha, Suzuki and Honda, and our services cover diverse customer groups including professional repair shops, equipment distributors and overseas traders.
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67F-12411-0 Thermostat for Yamaha F75 F80 F90 F150 Outboa...OE-quality 67F-12411-0 thermostat for Yamaha F75, F80, F90, F150, F200 outboards. 60°C ±2°C calibration, 304 stainless steel spring. IATF16949 certified factory. MOQ from 10 pcs, worldwide shipping.
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Why Choose Us
R&D Team
The R&D center of Hangzhou Starwave Technology Co., Ltd. is built around a highly skilled technical team, featuring a structure characterized by senior leadership combined with deep professional specialization, ensuring strong technical expertise, efficient innovation, and the ability to develop high-quality products that meet international market standards.
Our Service
We provide dedicated one-on-one technical support, with our professional technical team available 24/7 and a guaranteed response time of within 2 hours, ensuring efficient communication, rapid problem resolution, and reliable support throughout the entire cooperation process.
Our Certificate
As a national high-tech enterprise, we hold IATF 16949 and ISO 9001 system certifications, along with multiple patents, demonstrating our strong commitment to quality management, technological innovation, and industry-leading standards.
Production Market
Our products are exported to a wide range of international markets, including South American countries such as Brazil and Argentina, Southeast Asian countries, African nations, Europe, and the United States, reflecting our strong global reach and the trust of customers worldwide.
Features of Yamaha Outboard Thermostat
Overheat Protection
Prevents engine damage by allowing more cooling water in when temperatures rise.
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Gradual Opening
Opens incrementally as water heats, preventing sudden temperature drops and ensuring smooth operation.
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Condensation Prevention
Helps keep the engine warm enough to prevent moisture buildup in the crankcase (especially on 4-strokes).
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Model-Specific Design
Different thermostats for 2-stroke and 4-stroke, and even within series (like VMAX vs. F-series), ensuring correct temperature calibration.
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Pressurized Cooling
Works within Yamaha's pressurized cooling system for consistent performance.
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Product Paramenters
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Technical Data for 6FM-12411-00 outboard thermostat |
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OEM |
6FM-12411-00 |
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Specification: |
OPERATING TEMPERATURE: 60C°/ 140℉ |
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Features： |
Thermostat Replaces for Yamaha Outboard 20HP 24HP 25HP |
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Replaces OEM # 6FM-12411-00 |
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Boat Motor for Outboard Engine |
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Easy To Install No Instruction |
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Replaces: |
Product Type: Ignition Key Switch / Specifications: / Replaces: / Oem Interchange Part Number : |
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6FM-12411-00 |
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Applications: |
This Item Fits Various Applications By Part Number. Please Check Your Part Number To Ensure Fitment. / Make & Model(S): |
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Yamaha 20hp - 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
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Yamaha 24hp - 2024 |
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Yamaha 25hp - 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
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Source: |
Aftermarket |
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Original: |
Lishui, China |
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Payment term: |
TT, LC |
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Delivery date: |
Negotiable |
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Packing: |
Export standard |
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Market: |
Asia/South America/Europe |
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Market: |
Asia/South America/Europe |
Regulates temperature
Stays closed when cold for fast warm-up, then opens to allow coolant circulation.
Prevents overheating
Manages heat to keep the engine in its optimal operating range, ensuring efficient combustion and reducing wear.
Installation of Yamaha Outboard Thermostat Tips
Clean Surfaces: Thoroughly clean the inside of the thermostat housing and the mating surface on the engine block. This step is crucial to prevent leaks and ensure a good seal. I use a clean rag to wipe away any grime, salt deposits, or old gasket material. For stubborn residue, a plastic scraper (never metal, which could damage the mating surfaces) works well.
Install New Thermostat: Place the new thermostat into the housing. It's critical to get this right: the spring end should always face the engine block. Most thermostats have a specific orientation, so check the old one or the packaging for guidance.
Reassemble Housing: Lightly lubricate the edges of the thermostat housing with marine grease to help create a good seal and make future removal easier. Reattach the housing cover, ensuring it seats properly against the gasket or O-ring.
Secure Bolts: Reinstall the bolts and tighten them evenly in a crisscross pattern. The Service Manual specifies exact torque values—typically between 8-10 ft-lbs for most models I've worked on. Over-tightening can strip threads or warp the housing, while under-tightening can lead to leaks.
Reconnect Hose: Reattach the coolant hose and securely tighten its clamp. I always double-check this connection, as it's a common source of leaks if not properly secured.
Check for obvious blockages: Examine water intake screens for weeds, plastic, or debris
Verify water pump function: Confirm water discharge from telltale outlet
Inspect thermostat operation: Test using the hot water method described above
Check cooling passages for blockages: Examine for mineral deposits or salt buildup
Verify proper oil level: Check dipstick reading (4-stroke models)
Examine pressure relief valve: Clean or replace if stuck
Check for exhaust restrictions: Inspect for carbon buildup or blockages
Verify proper engine trim: Excessive trim can reduce water intake
Check prop selection and condition: Wrong prop or damaged prop can cause engine strain
Verify ECU operation: Some Yamaha models have electronic temperature controls that may need diagnosis
Shipping
We are one of the most credible yamaha outboard thermostat manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale yamaha outboard thermostat for sale here from our factory. For quotation, contact us now.
DF175 thermostat, 60V-12411, 100hp thermostat
