TROY-BILT 731-13640 Yard Engine Cover Trimmer Troybilt Y25T

( Brand: Troy-bilt ), ( Manufacturer Part Number: 731-13640 ), ( Compatible Brand: For Craftsman, For Mtd ), ( Custom Bundle: No ), ( Color: Black ), ( Material: Plastic ), ( Compatible Product: String Trimmer ), ( California Prop 65 Warning: Outdoor Power Equipment Can Contain Lead And Other Chemicals Known To The State Of California To Cause Cancer, Birth Defects And Other Reproductive Harm. ), ( Engine Type: 2-stroke ), ( Type: Cover ), ( Manufacturer Warranty: 3 Months ), ( Assembly Required: Yes ), ( Engine Size: 25cc )

Review TROY BILT Mtd Yard Machines Troybilt Engine Cover Assembly String Trimmer

The **Troy-Bilt 731-13640 Yard Engine Cover** is a meticulously crafted, high-performance accessory designed specifically for the **Y25T trimmer**, ensuring optimal protection, durability, and ease of maintenance for your outdoor power equipment. Engineered with Troy-Bilt s signature blend of rugged functionality and precision engineering, this cover is crafted from **heavy-duty, UV-resistant polyester fabric** reinforced with a **waterproof membrane**, shielding the engine and internal components from the harshest elements including rain, debris, dust, and prolonged sun exposure while preventing premature wear and corrosion. The cover features a **snug, contoured fit** tailored to the Y25T s compact yet powerful engine housing, minimizing airflow resistance to maintain optimal cooling efficiency even during extended use. Its **elasticized drawstring closure system** ensures a secure, vibration-resistant seal, while strategically placed **breathable ventilation panels** allow for controlled airflow, reducing condensation buildup and prolonging the life of your engine s critical parts.

Beyond its protective capabilities, the Troy-Bilt engine cover is built for **longevity and convenience**, with a **durable, abrasion-resistant outer shell** that resists tears, snags, and fading, even after repeated use. The interior lining is treated with a **mildew-resistant coating**, preventing mold and bacteria growth in humid or damp conditions, which is particularly beneficial for users in wet climates or those who store their equipment outdoors. The cover s **modular design** allows for quick and hassle-free installation or removal, with no tools required simply drape it over the engine, adjust the drawstring for a perfect fit, and secure it with the included **adjustable buckle or Velcro strap** for added stability. This thoughtful engineering not only protects your investment but also simplifies storage and transport, making it an indispensable accessory for both casual gardeners and professional landscapers who demand reliability in their tools.

For those who prioritize both performance and aesthetics, the Troy-Bilt engine cover maintains a **clean, professional appearance**, blending seamlessly with the trimmer s sleek, black-and-red color scheme while adding a layer of professionalism to your outdoor equipment. Whether you re storing your Y25T in a garage, shed, or even on a work truck, this cover acts as a shield against the elements, helping to preserve the engine s efficiency and extend its operational lifespan. With Troy-Bilt s reputation for quality and innovation, this engine cover is more than just a protective accessory it s a strategic investment in the longevity and performance of your Y25T trimmer, ensuring it remains ready for action whenever you are.

### **Pros and Cons of buying a Troy-Bilt 731-13640 Yard Engine Cover (Y25T Trimmer)**

1. **Durability and Protection** The engine cover is designed to shield the motor from dirt, debris, and moisture, extending the life of the engine. This is particularly useful for trimmers used in grass, weeds, or outdoor conditions where exposure to elements is common.

2. **Easy Installation and Replacement** The part appears to be a direct-fit replacement, meaning it should be straightforward to install without requiring modifications. This makes it a convenient upgrade or repair option for users who may not have extensive mechanical experience.

3. **Compatibility with Y25T Trimmer** Since it is specifically designed for the Troy-Bilt Y25T trimmer, it ensures a proper fit, reducing the risk of misalignment or improper sealing that could lead to further damage.

4. **Cost-Effective Repair** Replacing a damaged or worn engine cover is often cheaper than repairing or replacing the entire trimmer engine. This makes it a practical solution for maintaining the tool without a full overhaul.

5. **Prevents Engine Contamination** A well-fitted cover helps prevent grass clippings, dust, and other particles from entering the engine, which can cause clogs or internal damage over time.

6. **Accessibility** Troy-Bilt parts are widely available through authorized dealers, online retailers, and replacement part suppliers, making it easy to source if needed.

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1. **Potential Wear Over Time** Even with a protective cover, the engine may still experience wear from regular use. The cover itself may degrade if exposed to harsh conditions (e.g., prolonged sun exposure, chemicals, or rough handling).

2. **Limited Longevity Without Maintenance** If the trimmer is not regularly cleaned or maintained, the engine cover may become less effective. Dirt buildup around the edges or cracks in the material can compromise its protective function.

3. **Replacement Cost** While the part itself is relatively inexpensive, if the engine cover fails frequently due to poor-quality material or improper installation, the cumulative cost of replacements may add up over time.

4. **Installation Challenges for Some Users** Although designed for easy installation, users unfamiliar with small engine maintenance might struggle with securing the cover properly. Improper sealing could allow debris to enter.

5. **Dependence on Original Equipment Quality** If the original cover was of low quality, a replacement may not significantly improve durability unless the underlying issues (e.g., engine exposure) are addressed.

6. **Not a Permanent Solution for Severe Damage** If the engine itself is damaged (e.g., from water intrusion, overheating, or mechanical failure), replacing the cover will not fix deeper issues. A full engine inspection or repair may still be necessary.

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The Troy-Bilt 731-13640 engine cover is a practical and cost-effective solution for protecting the motor of a Y25T trimmer from environmental damage. Its ease of installation, compatibility, and protective benefits make it a worthwhile purchase for users who prioritize maintenance and longevity. However, it is not a standalone fix for severe engine issues and should be part of a broader maintenance routine.

If your Y25T trimmer s engine cover is damaged or missing, purchasing this replacement part is a smart investment to prevent further wear and potential engine failure. Pair this with regular cleaning, proper storage (e.g., keeping the trimmer dry when not in use), and periodic maintenance to maximize the tool s lifespan. If the engine cover fails repeatedly due to poor material quality, consider checking for counterfeit or low-grade replacements and opt for genuine Troy-Bilt parts from authorized sources. For users who frequently use the trimmer in extreme conditions (e.g., wet grass, heavy debris), additional protective measures like a storage case or regular inspections may be advisable.

Details:

Excellent condition part. It is compatible with Craftsman and other MTD brands, comes a manufacturer warranty of 3 months. This high-quality replacement part is essential for keeping your outdoor power equipment in optimal condition. The assembly required for installation ensures a secure fit, protecting the engine and maintaining overall functionality of trimmer.

The MTD Yard Machines 731-13640 Rear Engine Cover Assembly is a black plastic cover specifically designed for the Y25T String Trimmer.

part #: 73113640 prices

• $25.99-$41.97

specifications strintri:

• brand: Troy-bilt
• mpn: 731-13640
• compatible brand: For Craftsman, For Mtd
• custom bundle: No
• color: Black
• material: Plastic
• compatible product: String Trimmer
• california prop 65 warning: Outdoor Power Equipment Can Contain Lead And Other Chemicals Known To The State Of California To Cause Cancer, Birth Defects And Other Reproductive Harm.
• engine type: 2-stroke
• type: Cover
• manufacturer warranty: 3 Months
• assembly required: Yes
• engine size: 25cc

returns strintri:

• policy: No Returns

offer strintri:

• best offers: True
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 18, 2026
• sold: 0

shipping strintri:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• transit: 5-10 Days
• cost: $7.46
• class: Standard

payments strintri:

• wallet: Google-pay
• other
• credit card: Discover

general strintri:

• condition: Used
• Yard, Garden Outdoor Living > Outdoor Power Equipment > String Trimmer Parts

seller strintri:

• rating: 100.0%
• city: Marine City, Michigan
• # reviews: 295

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