1. Boat Outboard Engines To Buy
  2. sku: 24251904531363722
  3. EAST OUTBOARD MARINE 656-12411-01-00

EAST-OUTBOARD-MARINE 656-12411-01-00 Thermostat Kit 6H7-12411-00 60 9.5 30 40

fits make: Yamaha. year: 2012–2028.

656-12411-01-00 East-outboard-marine 6h7-12411-00 60 Thermostat Kit For Yamaha 2 Stroke 9.5 12 15 20 25 28 30 40 Hp

( Brand: East-outboard-marine ), ( Country Of Origin: China ), ( Type: Thermostat Kit ), ( Fitment: 2 Stroke 9.5 12 15 20 25 28 30 40 Hp ), ( Part Number 1: 656-12411-01, 648-12411-01-00, 648-12411-01 ), ( Part Number 2: 689-12411-80-00, 689-12411-80 ), ( UPC: 656124110100 )

Review EAST OUTBOARD MARINE 60 Thermostat Kit Yamaha Stroke 9.5 30 40 Hp fits 2012–2028

The **East Outboard Marine 656-12411-01-00 (6H7-12411-00) 60 Thermostat Kit** is a precision-engineered replacement solution designed specifically for Yamaha outboard motors ranging from **9.5 to 40 horsepower**, including the popular **9.5, 12, 15, 20, 25, 28, 30, and 40 HP** models. This high-performance thermostat kit is crafted to restore optimal cooling efficiency, ensuring your engine operates within the ideal temperature range for peak performance, fuel economy, and longevity. The kit includes a **60 thermostat**, a critical component that regulates coolant flow through the engine s cooling system, preventing overheating while maintaining efficient heat dissipation. Engineered with durable materials and tight tolerances, this thermostat is built to withstand the demanding conditions of marine environments, including exposure to saltwater, vibration, and fluctuating temperatures. The **6H7-12411-00** designation ensures compatibility with Yamaha s advanced cooling systems, providing a seamless fit that eliminates leaks and ensures reliable operation. Whether you re restoring an older Yamaha outboard or performing routine maintenance on a well-used engine, this thermostat kit delivers the precision and reliability needed to keep your motor running smoothly. Upgrade your cooling system with this high-quality replacement, and enjoy improved engine protection, extended component life, and consistent performance across all your marine adventures.

### **Pros and Cons of buying a East Outboard Marine 656-12411-01-00 (6H7-12411-00) Thermostat Kit for Yamaha Engines (9.5 40 HP)**

#### **Pros:**

1. **Compatibility** This thermostat kit is specifically designed for Yamaha outboard motors ranging from **9.5 to 40 HP**, including models like the **9.5, 12, 15, 20, 25, 28, 30, and 40 HP** series. This ensures a proper fit without modification, reducing the risk of leaks or improper function.

2. **Reliability** East Outboard Marine is a well-known brand in the marine aftermarket, known for producing high-quality, durable components. Their thermostat kits are designed to withstand the thermal stress of marine engines, helping maintain optimal operating temperatures.

3. **Prevents Overheating** A faulty thermostat can lead to **overheating, reduced engine life, or even catastrophic failure**. Replacing it with this kit ensures proper temperature regulation, protecting critical engine components like the **water pump, gaskets, and cooling system**.

4. **Cost-Effective Solution** Compared to replacing an entire **water pump or head gasket** due to overheating, this thermostat kit is a **low-cost preventive maintenance item**. It extends the lifespan of your engine and avoids costly repairs.

5. **Easy Installation** The kit is designed for straightforward replacement, requiring minimal tools. Most Yamaha owners or even those with basic mechanical skills can install it without professional help.

6. **Extended Engine Life** Proper thermostat function ensures **consistent cooling**, reducing wear on the engine and improving fuel efficiency over time.

7. **Warranty & Support** East Outboard Marine products often come with **warranties**, and the brand has a reputation for customer support, making it easier to troubleshoot or replace if issues arise.

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#### **Cons:**

1. **Limited Brand Recognition (Compared to OEM)** While East Outboard Marine is reputable, some Yamaha owners prefer **OEM (Original Equipment Manufacturer) parts** for perceived reliability. However, aftermarket brands like East are often **just as durable** and sometimes even better due to design improvements.

2. **Potential Mix-Up with Other Models** If the engine model is **not precisely matched** (e.g., a slightly different Yamaha series), there may be **sizing or compatibility issues**. Always verify the **exact engine model and year** before purchasing.

3. **Quality Variability (Generic Aftermarket Parts)** Some aftermarket thermostat kits may use **lower-grade materials** compared to OEM parts. However, East Outboard Marine is generally considered **high-quality**, so this risk is minimized.

4. **No Included Gasket or Seal Replacement** Some thermostat kits come with **new gaskets or seals**, but this particular kit may require purchasing them separately. Always check the **included components** before buying to avoid additional costs.

5. **Installation Challenges for Inexperienced Users** While the installation is **relatively simple**, improper handling (e.g., damaging the thermostat housing or not sealing properly) could lead to **leaks or reduced performance**. If unsure, consulting a mechanic may be wise.

6. **Availability & Lead Times** Depending on the region, **stock availability** may vary, and some marine supply stores may not carry this exact part. Online retailers (Amazon, West Marine, etc.) often have better availability but may take longer to ship.

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### **Conclusion**

The **East Outboard Marine 656-12411-01-00 thermostat kit** is a **strong, cost-effective choice** for Yamaha outboard engines in the **9.5 40 HP range**. It offers **reliable performance, easy installation, and long-term engine protection** against overheating. While some may prefer **OEM parts**, this aftermarket kit is **well-regarded for durability and compatibility**, making it a **smart investment for maintenance**.

The **main risks** (quality concerns, installation errors, or incorrect model matching) can be mitigated by **verifying the engine model, following installation instructions carefully, and sourcing from a reputable retailer**. For most Yamaha owners, this kit provides **excellent value** without sacrificing performance.

### **Recommendation**

**Buy this thermostat kit if:**

You own a **Yamaha outboard between 9.5 40 HP** and suspect or confirm a **failing thermostat**.

You want a **reliable, budget-friendly replacement** that prevents overheating and extends engine life.

You are **comfortable with basic DIY maintenance** or have access to a mechanic for installation.

**Consider an OEM or higher-end aftermarket brand (e.g., Mercruiser, Seafoam) if:**

You **prioritize absolute reliability** over cost.

Your engine has **unique modifications** that may not align perfectly with this kit.

You are **unsure about installation** and prefer professional guidance.

**Final Verdict:** **Strong buy for most Yamaha owners** a **proactive, low-cost solution** to avoid costly engine damage. Always **double-check engine compatibility** before purchasing.

Details:

Up for Sale is 656-12411-01 50 Thermostat Kit Yamaha 2 Stroke 9.5 12 15 20 25 28 30 40 60 HP Outboard. #648-12411-01-00 # 648-12411-01 689-12411-80-00 689-12411-80. Yamaha Part OEM #656-12411-01-00 # 656-12411-01.

Package Contains the Following Components. More Detail fitment information: Fits the Following Yamaha Marine Engines, 2 Stroke. East Outboard Marine deal with Yamaha, Suzuki, Mercury, Honda, OMC, Eventide, Mercuries, Johnson Eventide OMC.

part #: 656124110100 price

  • $22.10

specifications ouboaen:

  • for makes: Yamaha
  • for years: 2012-2028
  • brand: East-outboard-marine
  • country of origin: China
  • type: Thermostat Kit
  • fitment: 2 Stroke 9.5 12 15 20 25 28 30 40 Hp
  • part number 1: 656-12411-01, 648-12411-01-00, 648-12411-01
  • part number 2: 689-12411-80-00, 689-12411-80
  • upc: 656124110100

shipping ouboaen:

  • class: Standard
  • type: Fixed
  • transit: 4-6 Days
  • cost: $0.00
  • service: Standard

general ouboaen:

  • Boat Parts > Outboard Engines Components > Cooling Systems
  • condition: New

returns ouboaen:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller ouboaen:

  • # reviews: 1315
  • rating: 99.6%
  • city: Hebron, Kentucky

offer ouboaen:

  • started: May 29, 2026
  • quantity: 8
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • best offers: True

payments ouboaen:

  • other
  • credit card: Discover
  • wallet: Google-pay
for makes: yamaha, for years: 2012-2028, country of origin: china, type: thermostat kit, fitment: 2 stroke 9.5 12 15 20 25 28 30 40 hp, part number 1: 656-12411-01, 648-12411-01-00, 648-12411-01, part number 2: 689-12411-80-00, 689-12411-80,
category: boat parts > outboard engines components > cooling systems, sku: 24251904531363722,
East-outboard-marine 6H7-12411-00 Is Similar To:
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3 offers $22.10–$22.10 USD
  • New. Offer #1 priced at $22.10 + $0.00 shipping estimate = $22.10* total. 9.5 HP 9.5A. Up for Sale is656-12411-01 60 Thermostat Kit for Yamaha 2 Stroke 9.5 12 15 20 25 28 30 40 60 HP Outboard.FREE SHIPPING
  • New. Offer #2 priced at $22.10 + $0.00 shipping estimate = $22.10* total. Up for Sale is656-12411-01 50 Thermostat Kit for Yamaha 2 Stroke 9.5 12 15 20 25 28 30 40 60 HP Outboard.FREE SHIPPING
  • New. Offer #3 priced at $22.10 + $0.00 shipping estimate = $22.10* total. Yamaha Part OEM # -00# 6H7-12411-01-00 Up for Sale is6F5-12411-03 60 Thermostat Kit for Yamaha 2 Stroke 30 HP 30A Outboard.FREE SHIPPING

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