RAREELECTRICAL 343-540-Z8 Electrical Relay F350HP 4-STROKE 6AW-8195A-00

( Brand: Rareelectrical ), ( Manufacturer Part Number: 343-540-Z8 ), ( Warranty: 1 Year ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Country Of Origin: Japan ), ( Source: Aftermarket )

Review RAREELECTRICAL Electrical Relay Yamaha F350hp 4-stroke fits F150 F200 F225 F250 F300

The **Yamaha 343-540-Z8 Electrical Relay** is a precision-engineered component designed exclusively for Yamaha s high-performance 4-stroke outboard motors, including the F150, F200, F225, F250, F300, and F350HP models. This relay serves as a critical interface between the motor s electrical system and the engine control module (ECM), ensuring seamless communication and reliable operation of essential functions such as fuel injection, ignition timing, and throttle response. Crafted from high-grade materials, the relay is built to withstand the demanding conditions of marine environments, including exposure to saltwater corrosion, humidity, and temperature fluctuations, while maintaining optimal performance over extended periods of use.

The **6AW-8195A-00** relay is a direct-fit replacement, meticulously designed to match Yamaha s original specifications, guaranteeing compatibility without the need for modifications. Its robust construction features a durable housing that protects internal components from electrical surges, moisture, and mechanical stress, while the internal switching mechanism operates with minimal wear, ensuring long-term reliability. The relay s compact yet sturdy design allows for easy installation, fitting seamlessly into the motor s wiring harness without requiring additional tools or adjustments. Whether used in recreational boating, fishing, or professional applications, this relay enhances the motor s efficiency, responsiveness, and overall durability, contributing to smoother operation and reduced risk of electrical failures.

For Yamaha outboard owners seeking a dependable, long-lasting solution to maintain their engine s electrical integrity, the **343-540-Z8 Electrical Relay** is an indispensable component. Its precise engineering and compatibility with Yamaha s advanced 4-stroke outboard lineup make it an ideal choice for those who demand performance, reliability, and ease of maintenance in their marine equipment. By ensuring proper electrical signaling between the ECM and critical engine systems, this relay helps preserve the motor s performance, extend its lifespan, and minimize the risk of costly repairs associated with electrical malfunctions.

### **Analysis of the 343-540-Z8 Electrical Relay (Yamaha 6AW-8195A-00 Compatible)**

This relay is designed for use in Yamaha 4-stroke outboard motors (F150, F200, F225, F250, F300, F350HP) as a replacement for the original **6AW-8195A-00** electrical relay. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Direct Compatibility**

- The relay is explicitly listed as a replacement for the **6AW-8195A-00**, meaning it should fit and function identically in the specified Yamaha outboard models. This reduces the risk of sizing or wiring mismatches.

2. **High-Quality Construction**

- If sourced from a reputable manufacturer (e.g., **Yamaha OEM, genuine aftermarket brands like **Bosch, or **Delco**), the relay will likely feature durable materials, proper insulation, and reliable contact points. This minimizes the risk of electrical failure due to poor craftsmanship.

3. **Standardized Performance**

- Relays of this type are designed to handle the electrical load of Yamaha s ignition and control systems, ensuring consistent operation for starting, shifting, and other electrical functions. This reduces the likelihood of intermittent failures.

4. **Easy Installation**

- Replacing a relay is a straightforward process that typically requires only basic tools (screwdriver, wire connectors). No major modifications to wiring harnesses are usually needed, making it a low-effort upgrade.

5. **Cost-Effective Repair**

- Relays are relatively inexpensive compared to other outboard components (e.g., alternators, starters). Replacing a faulty relay is a cost-effective way to restore electrical functionality without investing in major repairs.

6. **Prevents Further Damage**

- A failing relay can cause intermittent electrical issues (e.g., no-start conditions, erratic shifting) that may damage other components if left unaddressed. Replacing it proactively can prevent secondary failures.

7. **Widely Available**

- As an OEM or aftermarket part, this relay is likely stocked by marine dealers, online retailers (Amazon, West Marine, BoatUS), and specialty suppliers. Availability ensures quick replacement if issues arise.

8. **No Modifications Required**

- Unlike some aftermarket upgrades, this relay is designed to drop-in replace the original. No wiring harness changes, mounting modifications, or additional components are needed.

---

### **Cons**

1. **Potential Counterfeit Risks**

- If purchasing from an untrusted seller (e.g., unknown third-party Amazon vendors, eBay resellers), there is a risk of receiving a **counterfeit or low-quality replica**. These may fail prematurely, exhibit poor contact reliability, or even pose a fire hazard due to poor insulation or soldering.

- **Mitigation:** Stick to **Yamaha-authorized dealers, reputable marine suppliers, or well-reviewed online retailers** (e.g., Boat Trader, MarineMax, or verified eBay sellers).

2. **Limited Lifespan**

- Relays, like all electrical components, have a finite lifespan. While they may last **5 10 years or more**, prolonged exposure to **moisture, vibration, and heat** (common in marine environments) can accelerate wear. This may require eventual replacement, especially in older boats.

3. **No Upgrade in Performance**

- This relay is a **direct replacement**, meaning it does not offer any performance improvements over the original. If the original relay failed due to **wear or environmental factors**, the new one will have the same limitations unless the root cause (e.g., corrosion in wiring) is addressed.

4. **Dependence on Other Systems**

- **Corroded or damaged wiring** in the harness can cause intermittent relay failures.

- **Voltage fluctuations** (due to a weak alternator or battery issues) may stress the relay.

- **Physical damage** (e.g., from impact or improper handling) could affect the relay s contacts.

- **Mitigation:** Inspect the wiring harness, battery, and alternator during replacement to ensure no underlying problems exist.

5. **Skill Dependency for Installation**

- While simple, improper installation (e.g., loose connections, incorrect polarity) can lead to **electrical shorts, no-start conditions, or relay failure**. Those unfamiliar with basic wiring should consult a marine electrician or follow detailed instructions carefully.

6. **Environmental Stressors**

- Marine environments expose relays to **saltwater corrosion, humidity, and temperature fluctuations**, which can degrade contacts over time. Even a high-quality relay may require **periodic cleaning or replacement** if the boat is used in harsh conditions.

7. **Limited Warranty (If Applicable)**

- Aftermarket relays may come with **short or no warranties**, whereas OEM parts often include **limited warranties** (e.g., 1 2 years). If the relay fails shortly after purchase, the user may be left without recourse unless the seller offers a return policy.

8. **Potential for Overheating**

- If the relay is subjected to **excessive current draw** (e.g., due to a faulty starter or alternator), it may overheat and fail prematurely. This is less likely with a properly functioning system but is a consideration in older boats with degraded electrical components.

---

### **Conclusion**

The **343-540-Z8 electrical relay (compatible with Yamaha 6AW-8195A-00)** is a **practical and cost-effective solution** for restoring electrical functionality in Yamaha outboards when the original relay fails. It offers **direct compatibility, ease of installation, and reliability** if sourced from a trusted supplier. However, its effectiveness depends on **proper installation, avoidance of counterfeit parts, and addressing underlying electrical issues** (e.g., corrosion, wiring problems).

The relay itself is not a "high-tech" upgrade but a **necessary maintenance item** to prevent electrical gremlins that can disrupt boating. Its lifespan is reasonable for typical marine use, but users should remain vigilant about **environmental factors** that could accelerate wear.

---

### **Recommendation**

1. **Source from a Trusted Supplier**

- Purchase from **Yamaha-authorized dealers, reputable marine parts retailers, or well-reviewed online sellers** (e.g., BoatUS, West Marine, or verified Amazon sellers). Avoid unknown third-party vendors to prevent counterfeit parts.

2. **Inspect the Wiring Harness and Connections**

- Before installing the new relay, **clean corroded terminals, check for frayed wires, and ensure proper connections**. A failing relay is often a symptom of a larger electrical issue.

3. **Follow Installation Guidelines Carefully**

- Refer to the **Yamaha service manual** or a **step-by-step installation guide** to ensure correct wiring and mounting. Improper installation can lead to further electrical problems.

4. **Consider a Preventative Maintenance Plan**

- If the boat is used frequently or in harsh conditions, **inspect the relay and wiring harness annually** as part of routine maintenance. This can extend the relay s lifespan and prevent unexpected failures.

5. **Opt for OEM When Possible**

- While aftermarket relays are often sufficient, **Yamaha s OEM relay (6AW-8195A-00 or equivalent)** may offer **longer warranties and higher reliability** for critical applications.

6. **Monitor for Recurring Issues**

- If the new relay fails shortly after installation, investigate **alternator output, battery health, or wiring integrity**, as these could be contributing factors.

7. **Keep a Spare Relay Onboard**

- For remote boating, consider carrying a **spare relay** in case of unexpected failures. This can save time and frustration during trips.

---

### **Final Verdict**

The **343-540-Z8 relay is a sound choice** for replacing a faulty **Yamaha 6AW-8195A-00 relay**, provided it is **properly sourced and installed**. It is a **low-risk, high-reward repair** that restores electrical reliability without major modifications. However, users should treat it as part of a **broader electrical maintenance strategy** to ensure long-term reliability. For most boaters, this relay will serve its purpose effectively if handled correctly.

Details:

As a parts distributor we mostly sell aftermarket any OEM would be noted as such. Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. Electrical Relay Yamaha F150 F200 F225 F250 F300 F350HP 4-Stroke 6AW-8195A-00: Replaces Part Numbers Specifications. All parts sold are new.

OEM PART NUMBERS: Yamaha: 6AW-8195A-00-00 / 6AW8195A00 SPECIFICATIONS: Type: Relay Assembly, voltage : 12V, Engines: 4-Stroke 150-350HP, condition: New Product Notice.

part #: 343540z8 prices

• $102.86-$195.76

specifications ouboaen:

• for models: F150, F200, F225, F250, F300
• for makes: Yamaha
• brand: Rareelectrical
• mpn: 343-540-z8
• warranty: 1 Year
• california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
• country of origin: Japan
• source: Aftermarket

shipping ouboaen:

• transit: 5-8 Days
• cost: $0.00
• class: Economy, Standard, Expedited, One-day
• type: Fixed
• service: Economy, Standard, Expedited, Overnight

payments ouboaen:

• credit card: Mastercard
• other
• wallet: Apple-pay

offer ouboaen:

• sold: 0
• started: March 27, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 6

general ouboaen:

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

seller ouboaen:

• city: Atlanta, Georgia
• rating: 99.1%
• # reviews: 122026

returns ouboaen:

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

Rareelectrical 343-540-Z8 Is Similar To:

• 686696011331 Rareelectrical New Starter Fits Fit Yamaha Outboard (34.7% similar) 68 kg product notice as a parts distributor we mostly sell aftermarket any oem would be noted such. All parts sold are new. Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. Warranty does not cover failure due to...(July 4th, 2018)
• 686696464182 Rareelectrical New Tilt Trim Relay Fit Evinrude Marine (37.6% similar) And is not always available. All parts sold are new. Rareelectrical products, when properly installed, are warranted against defects in materials and workmanship to the original purchaser for a period of one 1 year from date purchase. Warranty does not cover failure due to accident, abuse, neglect ...(March 4th, 2019)
• 686696464229 Rareelectrical New Tilt Trim Relay Fits Evinrude Marine (37.4% similar) Rareelectrical products, when properly installed, are warranted against defects in materials and workmanship to the original purchaser for a period of one 1 year from date purchase. Warranty does not cover failure due to accident, abuse, neglect or as the result of normal wear and tear. Aftermarket ...(April 3rd, 2019)
• Pt626nm 3 Rareelectrical New Tilt Trim Motor Fits Yamaha (34% similar) ...(June 3rd, 2019)
• Rareelectrical 009-702-07a4 New Crankshaft Oil Seal Fits Yamaha 210 Fsh Sport 1050cc By 93101-40002-00 (46.8% similar) Product notice.: crankshaft oil seal, replaces: source: aftermarket. New crankshaft oil seal fits yamaha 210 fish sport 1050CC by 93101-40002-00: replaces part numbers specifications...(June 11th, 2025)
• Rareelectrical 010-207-03-z8 New Crankshaft Bearing Fits Yamaha Xlt 800 Hp By 010-207-03 93306-308u1-00 (43.7% similar) Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. As a parts distributor we mostly sell aftermarket any oem would be noted as such. New crankshaft bearing fits yamaha XLT 800 hp by 010-207-03 93306-308U1-00: ...(August 8th, 2025)
• Rareelectrical 010-294-01blua1 New Blue Lower Main Bearing Fits Yamaha By 010-294-01blu 6p2-11417-20-00 (41.7% similar) Product notice. New blue lower main bearing fits yamaha by 010-294-01BLU 6P2-11417-20-00: replaces part numbers specifications...(August 11th, 2025)
• Rareelectrical 527-77-2z8 O-ring Fits Yamaha 4 Cyl Jet Stroke 115 Hp By 6cb-13473-00-00 527-77 (43.7% similar) Made by a trusted brand, this o-ring is critical component for maintaining the performance and longevity of your yamaha outboard engine. The Rareelectrical o-ring fits yamaha 4 Cl jet stroke 115 hp engines and has a manufacturer part number of 527-77-2Z8...(December 26th, 2025)
• Rareelectrical 010-294-01yela1 Lower Main Crankshaft Bearing Yellow Yamaha F225 F250 225 250 Hp V6 3.3l Dohc (41.7% similar) Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. All parts sold are new. As a parts distributor we mostly sell aftermarket any oem would be noted as such...(March 20th, 2026)
• Rareelectrical 500-316-z8 95-05 Yamaha 3-cyl 40-50hp 2.638 Inch Powerhead Gasket Kit 63d-w0001-00-00 Marine (43.8% similar) As a parts distributor we mostly sell aftermarket any oem would be noted as such. Oem part numbers: yamaha: 63D-W0001-00-00 / 63DW000100 specifications: power head gasket kit complete, bore size: 2.638, configuration: 3-CYLINDER, engine 2-STROKE, hp range: 40-50HP, years: 1995 -2005, condition: new...(March 27th, 2026)
• Rareelectrical 100-275-12-z8 93-09 Powerhead Kit 020 Over 1993-2009 Yamaha 115-130hp 4-cyl Rings Marine (40.6% similar) 93-09 power head kit .020 over 1993 -2009 yamaha 115-130HP 4-CYL rings marine: replaces part numbers specifications. All parts sold are new. As a parts distributor we mostly sell aftermarket any oem would be noted as such. Replaces: manufacturer part number: 100-275-12, specifications: - ...(May 1st, 2026)