1. Electrical Components ATV Parts For Sale
  2. sku: 25186143552133731
  3. DB ELECTRICAL SMU0264K

DB ELECTRICAL SMU0264K Starter Solenoid Atv 639853740995 495771

fits model: Yfz450, Yfz, 450. make: Yamaha. year: 2004–2008.

Smu0264k Db Electrical Starter And Solenoid Combo For Yamaha Atv Yfz450 Yfz45 Yfz 450 2004-2008

( Brand: Db Electrical ), ( Manufacturer Part Number: SMU0264K ), ( Part Type: Starter Solenoid ), ( Item Width: 7.250 ), ( Item Height: 12.000 ), ( California Prop 65 Warning: California Proposition 65 Warning ), ( Ipn: 495771 ), ( Country Of Origin: Taiwan ), ( Internal Primary: Relays Switches ), ( Internal Secondary: Solenoid Relay ), ( Parttype: Starter ), ( UPC: 639853740995 )

Review DB ELECTRICAL Starter And Solenoid Combo Yamaha Atv Yfz45 fits YFZ450 YFZ 450 2004–2008

The **Yamaha ATV SMU0264K Starter Solenoid** is a precision-engineered electrical component designed exclusively for Yamaha s iconic **YFZ450R, YFZ450, and YFZ45** models produced between **2004 and 2008**. This high-performance solenoid serves as the critical interface between your ATV s battery and starter motor, ensuring seamless ignition activation while delivering the robust electrical current required to crank the engine with reliability. Crafted from durable, corrosion-resistant materials, the SMU0264K is built to withstand the demanding conditions of off-road use, including exposure to dust, moisture, and extreme temperatures, making it a long-lasting solution for riders who demand dependability in rugged environments. Its compact yet robust design integrates a **high-quality coil assembly** and **sealed electrical contacts**, minimizing wear and preventing oxidation that could lead to intermittent starting issues or complete failure. Whether you re tackling dense trails, navigating rough terrain, or simply maintaining your ATV for peak performance, this solenoid eliminates the frustration of a dead start by providing a **strong, consistent electrical connection** every time you turn the key. Upgrading or replacing your original solenoid with this OEM-quality part ensures optimal compatibility, reducing the risk of electrical shorts, sparking, or premature failure key factors that can disrupt your ride at the most inconvenient moments. Perfect for both restoration projects and routine maintenance, the SMU0264K is a straightforward yet essential upgrade that keeps your Yamaha ATV running smoothly, season after season.

### **Pros and Cons of Buying an Electrical Starter Solenoid (Smu0264k) for Yamaha YFZ450/YFZ45 (2004 2008)**

#### **Pros**

1. **Compatibility** The **Smu0264k** is a direct replacement part for the Yamaha YFZ450/YFZ45 (2004 2008) models, ensuring a proper fit without modification.

2. **Reliability** A high-quality solenoid from a reputable brand (such as **Smu** or **Yamaha OEM**) reduces the risk of electrical failure, which is a common issue in starter systems.

3. **Improved Starting Performance** A faulty solenoid can cause weak or inconsistent cranking. Replacing it ensures a strong, immediate engagement of the starter motor, improving cold-start reliability.

4. **Prevents Further Damage** A failing solenoid can draw excessive current, potentially damaging the starter motor or battery. Replacing it early avoids costly repairs.

5. **Easy Installation** Most solenoids are plug-and-play, requiring only basic tools (socket wrench, wire connectors) and minimal mechanical skill.

6. **Cost-Effective Fix** Replacing a solenoid is significantly cheaper than overhauling or replacing the entire starter motor, which can cost several hundred dollars.

7. **Extended Lifespan of Starter Motor** A properly functioning solenoid reduces strain on the starter, prolonging its operational life.

#### **Cons**

1. **Potential Counterfeit Parts** If purchasing from an untrusted seller (e.g., eBay, Amazon, or unknown online marketplaces), there is a risk of receiving a **fake or low-quality solenoid**, which may fail prematurely.

2. **Electrical Issues Persist** If the problem stems from a **bad battery, corroded connections, or a faulty starter motor**, replacing just the solenoid may not fully resolve the issue.

3. **Skill Dependency** While installation is straightforward, improper wiring or torque on connections can lead to electrical shorts or mechanical failure.

4. **Limited Availability** Some aftermarket solenoids may not be as durable as OEM parts, leading to shorter lifespan if quality is compromised.

5. **Time-Consuming for DIYers** If unfamiliar with electrical work, diagnosing whether the solenoid is the actual fault (vs. battery, starter, or wiring) can be time-consuming.

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### **Conclusion**

Replacing the **electrical starter solenoid (Smu0264k)** on a **Yamaha YFZ450/YFZ45 (2004 2008)** is generally a **wise and cost-effective solution** if the solenoid is confirmed as the source of the problem. It improves starting reliability, prevents further damage, and is relatively easy to install. However, **ensuring the part is genuine** and verifying that the **battery, wiring, and starter motor are in good condition** are critical steps to avoid recurring issues.

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### **Recommendation**

1. **Verify the Problem** Before purchasing, confirm that the solenoid is faulty by testing:

- **Battery voltage** (should be **12.6V ** when off, **10.5V ** when cranking).

- **Starter motor operation** (if the motor spins but the solenoid doesn t engage, it s likely the solenoid).

- **Wiring and connections** (corrosion or loose wires can mimic solenoid failure).

2. **Buy from a Trusted Source**

- **OEM (Yamaha genuine parts)** Most reliable but may be pricier.

- **Reputable aftermarket brands** (e.g., **Smu, Motocross Direct, ATV Parts Pro**) Often high-quality and cost-effective.

- **Avoid unknown sellers** Stick to well-reviewed dealers or local ATV repair shops.

3. **Install Properly**

- Follow **Yamaha s service manual** for correct torque specs and wiring.

- Ensure **clean, tight connections** to prevent electrical resistance.

- If unsure, consult a mechanic for installation.

4. **Consider a Starter Motor Replacement if Needed** If the starter motor is also failing, replacing just the solenoid may not be sufficient long-term.

**Final Verdict:** **Worth it if the solenoid is confirmed bad and sourced from a reliable supplier.** A well-installed solenoid will restore proper starting function and protect other components.

Details:

Once the engine starts, solenoid disengages, cutting off flow of electric. MPN: SMU0264K 495771, 49-5771, 57-2721, 5TG-81800-00- 5TG-81890-00- 71-26-18761, STY0264. Part Type: Starter.

As electricity travels through the coil, core becomes magnetized, which creates force to push mobile outward engage gears on starter. If an immediate replacement is required before processing can occur, the customer purchase a second unit from DB Electrical to be shipped at once. Solenoids have wire coils that wrap around a mobile core. The customer may use this label to return the item DB Electrical free of charge.

A new DB Electrical solenoid will restore precise, quick starts in a vehicle when its time to replace an older one. Starter Solenoid COMBO For Yamaha ATV YFZ450 YFZ45 YFZ 450 2004 - 2008: 2004 - 2008. Warranty, Please refer to the items warranty on individual listing. The solenoid engages when the ignition key is turned, creating a link to allow for flow of electricity starter.

Part Number: SMU0264K. After the item is received by DB Electrical for processing, will send out a replacement unit. Custom made items may require more time to ship. Custom Made Items Warranty-Replacement, When sending a return to DB Electrical for repair or replacement, send the item with of what is wrong and will replace.

STARTER SOLENOID for YAMAHA YFZ450 YFZ45 YFZ 450 ATV 2004 2005 2006 2007 2008.

part #: smu0264k prices

  • $68.24-$74.46

specifications electricacompone:

  • for models: Yfz450, Yfz, 450
  • for makes: Yamaha
  • for years: 2004-2008
  • brand: Db Electrical
  • mpn: Smu0264k
  • part type: Starter Solenoid
  • item width: 7.250
  • item height: 12.000
  • california prop 65 warning: California Proposition 65 Warning
  • ipn: 495771
  • country of origin: Taiwan
  • internal primary: Relays Switches
  • internal secondary: Solenoid Relay
  • parttype: Starter
  • upc: 639853740995

offer electricacompone:

  • started: May 21, 2026
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

general electricacompone:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components

returns electricacompone:

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

shipping electricacompone:

  • transit: 5-5 Days
  • type: Fixed
  • class: Standard, Expedited
  • service: Standard, Expedited
  • cost: $0.00

seller electricacompone:

  • city: Portland, Tennessee
  • rating: 99.8%
  • # reviews: 454451

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  • wallet: Paypal
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for models: yfz450, yfz, 450, for makes: yamaha, for years: 2004-2008, part type: starter solenoid, item width: 7.250, item height: 12.000, california prop 65 warning: california proposition 65 warning, country of origin: taiwan, internal primary: relays switches, internal secondary: solenoid relay, parttype: starter,
category: atv parts > atv, side-by-side utv parts accessories > electrical ignition components, sku: 25186143552133731,
Db Electrical SMU0264K Is Similar To:
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4 offers $68.24–$74.46 USD
  • New. Offer #1 priced at $68.24 + $0.00 shipping estimate = $68.24* total. Starter For Yamaha ATV YFZ 450 449CC, YFZ450 2004-2009 5TG-81890-00-00; SMU0264.FREE SHIPPING
  • New. Offer #2 priced at $74.46 + $0.00 shipping estimate = $74.46* total. STARTER & SOLENOID for YAMAHA YFZ450 YFZ45 YFZ 450 ATV 2004 2005 2006 2007 2008.FREE SHIPPING
  • New. Offer #3 priced at $68.24 + $0.00 shipping estimate = $68.24* total. FREE SHIPPING
  • New. Offer #4 priced at $68.24 + $0.00 shipping estimate = $68.24* total. FREE SHIPPING

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