1. Electrical Components ATV Parts For Sale
  2. sku: 24149023077692663
  3. DENSO 428000-0440

DENSO 428000-0440 Starter Motor MS3-Y05

fits model: Yfm350, 350, Raptor, Warrior. make: Yamaha.

428000-0440 Denso Yamaha Ms3-y05 Starter Motor Replacement For Raptor 350 Warrior Yfm350

( Brand: Denso ), ( Manufacturer Part Number: 428000-0440 ), ( Part Type: Starter Motor ), ( Machine Type: Atv ), ( Oe/oem Part Number: 5yt-81800-00 ), ( Universal Fitment: No )

Review DENSO Yamaha Starter Motor Replacement fits RAPTOR WARRIOR YFM350 350

The **Denso 428000-0440 Starter Motor** is a high-performance, precision-engineered component designed specifically for Yamaha s legendary **Raptor 350 Warrior (YFM350)**, ensuring reliable cold-weather starting and optimal engine cranking performance. As an OEM-quality replacement part from the trusted **Denso brand**, this starter motor is built to meet or exceed the original equipment specifications, delivering consistent power and durability for years of dependable operation. Crafted with a robust **heavy-duty solenoid**, this starter motor features a **high-torque output** to handle the demands of modern fuel-injected engines, even in freezing temperatures where traditional starters may struggle. The internal design incorporates **low-resistance brushes and a reinforced armature**, reducing wear and tear while maximizing efficiency, which translates to smoother engine starts and fewer mechanical failures over time. Built to withstand the rigors of off-road and adventure riding, this starter motor is sealed against dust, moisture, and debris, ensuring longevity even in harsh conditions. Whether you're tackling rugged trails or preparing for winter storage, the **Denso 428000-0440** provides the reliability and performance needed to keep your Yamaha Raptor 350 Warrior running strong, turn after turn. Ideal for both original equipment replacement and aftermarket upgrades, this starter motor is a testament to Denso s commitment to quality, precision, and performance in the motorcycle industry.

### **Pros and Cons of buying a Denso 428000-0440 (Yamaha MS3-Y05 Starter Motor) for a Raptor 350 Warrior (YFM350)**

#### **Pros:**

1. **OEM Compatibility** The Denso 428000-0440 is an original equipment (OEM) starter motor for the Yamaha MS3-Y05 engine, which is used in the Raptor 350 Warrior (YFM350). This means it is designed to fit perfectly without modifications, ensuring proper alignment and function.

2. **Reliability and Durability** Denso is a well-known manufacturer of high-quality automotive components, including starter motors. Their products are built to last, often outperforming aftermarket alternatives in terms of longevity and performance.

3. **Direct Replacement** Since it is the exact OEM part, there is no need for additional wiring or adapter modifications. It plugs in and works as intended, reducing installation complexity.

4. **Warranty Coverage** If purchased from a reputable dealer or online retailer, this starter motor may come with a warranty (typically 12 24 months), providing peace of mind against premature failure.

5. **Performance Consistency** The starter motor is engineered to meet Yamaha s specifications, ensuring smooth engagement and reliable cranking under normal operating conditions.

6. **Ease of Installation** Being an OEM part, it is designed to be installed quickly and without the need for specialized tools, making it a straightforward repair option for DIYers.

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#### **Cons:**

1. **Cost** As an OEM part, the Denso starter motor is more expensive than many aftermarket alternatives. Prices typically range between **$150 $250**, depending on the source and retailer markup.

2. **Limited Availability** While widely available, it may not be as commonly stocked as generic aftermarket starters, potentially requiring an order from a specialty parts supplier or online retailer.

3. **Potential Overkill for Some Riders** If the starter motor fails due to external factors (e.g., battery issues, wiring problems, or frequent hard cranking), replacing it alone may not solve the underlying problem. A full electrical system check might be necessary.

4. **Resale Value Impact** If you plan to sell the bike later, some buyers may prefer aftermarket parts for cost savings, though this is less likely for a high-quality OEM component.

5. **No Performance Upgrades** Unlike some aftermarket starters, this is not designed for high-performance applications (e.g., supercharged or heavily modified engines). It will perform adequately within the Raptor 350 s stock specifications.

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### **Conclusion:**

The **Denso 428000-0440 starter motor** is an excellent choice for replacing the starter in a Yamaha Raptor 350 Warrior (YFM350) due to its **OEM compatibility, reliability, and ease of installation**. While it is more expensive than aftermarket options, the trade-off in **longevity, performance consistency, and hassle-free fitment** makes it a strong recommendation for riders who prioritize quality and convenience.

If budget is a concern, aftermarket starters (e.g., from brands like **Bosch, Motomaster, or Yamaha s own aftermarket parts**) can be a cost-effective alternative, though they may lack the same level of warranty support and precision engineering. However, for most owners, the **Denso starter motor is the best balance of quality and practicality**.

### **Recommendation:** **Buy the Denso 428000-0440 starter motor** if:

- You want a **direct OEM replacement** with guaranteed fitment.

- You prefer **long-term reliability** and **minimal installation hassle**.

- You are willing to pay a premium for **brand-name quality**.

Consider aftermarket options only if:

- You are on a **tight budget** and can verify the aftermarket starter s compatibility.

- You are comfortable with **potential fitment or performance variations** from non-OEM parts.

For most Raptor 350 owners, the Denso starter motor is the **best choice** for a straightforward and durable repair. Always purchase from a **trusted retailer** (e.g., Yamaha dealers, RockAuto, or reputable online marketplaces) to ensure authenticity and warranty coverage.

Details:

Used working starter came off of a wrecked Yamaha Raptor 350.

part #: 4280000440 price

  • $63.13

specifications electricacompone:

  • for models: Yfm350, 350, Raptor, Warrior
  • for makes: Yamaha
  • brand: Denso
  • mpn: 428000-0440
  • part type: Starter Motor
  • machine type: Atv
  • oe/oem part number: 5yt-81800-00
  • universal fitment: No

seller electricacompone:

  • rating: 100.0%
  • city: Sutherlin, Oregon
  • # reviews: 18

returns electricacompone:

  • policy: No Returns

payments electricacompone:

  • other
  • credit card: Mastercard
  • wallet: Paypal

shipping electricacompone:

  • service: USPS Ground Advantage
  • type: Calculated
  • class: Standard
  • cost: $8.65
  • carrier: USPS
  • transit: 5-11 Days

general electricacompone:

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

offer electricacompone:

  • options: Ship-to-home
  • started: March 22, 2026
  • best offers: True
  • availability: In Stock
  • quantity: 1
  • sold: 0
for models: yfm350, 350, raptor, warrior, for makes: yamaha, part type: starter motor, machine type: atv, oe/oem part number: 5yt-81800-00, universal fitment: no,
category: atv parts > atv, side-by-side utv parts accessories > electrical ignition components, sku: 24149023077692663,
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1 offer $63.13 USD
  • Used. Offer #1 priced at $63.13 + $35.16 shipping estimate = $98.29* total. +$35.16 shipping

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