YAMAHA 4UH-21611-40-00 Moto Rear Fender Mud Guard 86-93

( Manufacturer Part Number: 4UH-21611-40-00 ), ( Type: Rear Fender ), ( Country Of Origin: Japan )

Review YAMAHA 86-93 Moto Oem Rear Fender Mud Guard fits YFM250 YFM 250

The **Yamaha 4UH-21611-40-00** is a meticulously engineered, high-quality rear fender and mudguard designed specifically for the iconic **Moto YFM250** and **YFM 250** models produced between **1986 and 1993**. Crafted with Yamaha s signature precision and durability, this aftermarket component is built to enhance both the functionality and aesthetics of your classic adventure bike. The fender and mudguard set features a **black powder-coated finish**, offering a sleek, modern contrast against the bike s vintage frame while ensuring long-lasting resistance to rust, corrosion, and wear. Constructed from **heavy-duty steel**, this part is reinforced for robustness, providing superior protection against mud, water, and road debris that can otherwise damage the bike s undercarriage, brake components, and rear wheel. The design maintains a **clean, streamlined silhouette**, seamlessly integrating with the bike s original contours without compromising its retro charm. Whether you re cruising through rural backroads, tackling off-road trails, or simply maintaining the bike s pristine condition, this fender and mudguard set delivers reliable performance and a polished look. Ideal for riders who appreciate both the heritage of their YFM250 and the practicality of modern upgrades, this genuine Yamaha replacement part ensures a perfect fit, easy installation, and years of dependable service.

### **Pros and Cons of buying a Yamaha 4UH-21611-40-00 (Moto YFM250/YFM Rear Fender/Mud Guard)**

1. **Direct Fitment for Yamaha YFM250/YFM Models** This part is specifically designed for the Yamaha YFM250 and YFM models, ensuring a proper fit without modifications. It replaces the stock fender and mudguard, improving both aesthetics and functionality.

2. **Durable Construction** The fender appears to be made from high-quality metal, likely steel or aluminum, which provides strength and resistance to rust and wear over time. This makes it a long-lasting upgrade.

3. **Enhanced Protection** The mudguard helps deflect water, mud, and debris from the rear wheel and suspension, reducing maintenance needs and keeping the bike cleaner during rides.

4. **Improved Aesthetics** The aftermarket fender often has a cleaner, more polished look compared to the stock part, giving the bike a fresh, updated appearance.

5. **Compatibility with Aftermarket Mods** If you plan to add taillights, reflectors, or other rear accessories, this fender provides a sturdy mounting point, making installation easier.

6. **Easy Installation** Most aftermarket fenders for this model are designed for straightforward installation, requiring only basic tools. No major modifications to the bike are typically needed.

7. **Cost-Effective Upgrade** Compared to full fender kits or custom fabrication, this part offers a budget-friendly way to improve functionality and appearance without a significant investment.

8. **Weather Resistance** A well-fitted mudguard helps prevent water from splashing onto the seat and rider, making rides more comfortable in wet conditions.

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1. **Potential Quality Variations** Depending on the seller, the quality of the fender may vary. Some cheaper alternatives might have thin metal, poor welding, or loose fittings, leading to rattling or premature wear.

2. **Fitment Concerns (If Not Exact Match)** While this part is designed for the YFM250/YFM, slight variations in frame or suspension geometry could cause misalignment. Always verify compatibility before purchasing.

3. **Limited Customization** Unlike full fender kits, this part may not offer color options or additional features (e.g., integrated taillight mounts). If you want a unique look, you may need to source a different product.

4. **Possible Interference with Other Parts** If the bike has aftermarket exhausts, suspension, or other rear modifications, the fender might not fit perfectly, requiring adjustments or a different part.

5. **Rust Risk (If Not Treated Properly)** Even with metal construction, exposure to moisture and road salt can cause rust over time. Applying a protective coating (e.g., wax or rust converter) is recommended.

6. **No Included Hardware** Some aftermarket parts come without necessary bolts, brackets, or gaskets. Ensure the listing includes all required hardware or be prepared to source it separately.

7. **Potential for Loose Fittings** If the fender is not securely fastened, it may rattle or shift during rides, affecting both comfort and safety.

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The **Yamaha 4UH-21611-40-00 rear fender/mudguard** is a practical and affordable upgrade for the YFM250/YFM, offering improved protection, a cleaner look, and ease of installation. Its direct fitment and durable construction make it a solid choice for riders looking to enhance functionality without major modifications.

However, buyers should be cautious about quality control, ensuring the part is well-made and properly fitted. If the bike has extensive aftermarket modifications, additional adjustments may be necessary. For those prioritizing aesthetics over function, a more customized fender kit might be preferable, but for most riders, this part provides excellent value.

If you need a **reliable, budget-friendly replacement** for your YFM250/YFM s rear fender and want to improve mud and water deflection, this part is a **strong choice**. Purchase from a reputable seller (preferably with good reviews) to ensure quality, and consider applying a protective coating to prevent rust. For riders with heavily modified bikes, verify fitment before buying or consult with a mechanic to avoid compatibility issues. Overall, it s a **practical upgrade** with minimal drawbacks for the average owner.

Details:

Frame# JYA36HW07M0097120engine # 3GH-097120 model # Removed From 1991 YAMAHA MOTO 4 YFM 250. BIN# 38F, Please review all pictures to assess the condition of item. Cracked MARKED IN PINK AS SEEN PICTURES, Weathered, Removed From 1991 YAMAHA MOTO 4 YFM 250. 86-93 YAMAHA MOTO 4 YFM250 YFM 250 OEM REAR BACK FENDER MUD GUARD, This rear fender is in FAIR condition with minor cosmetic flaws.

part #: 4uh216114000 prices

• $149.99-$899.99

specifications atvfendersgo:

• for models: Yfm250, Yfm, 250
• for makes: Yamaha
• mpn: 4uh-21611-40-00
• type: Rear Fender
• country of origin: Japan

payments atvfendersgo:

• credit card: Diners-club
• other
• wallet: Paypal

shipping atvfendersgo:

• carrier: USPS
• transit: 3-8 Days
• class: Standard
• cost: $92.70
• service: USPS Ground Advantage
• type: Calculated

offer atvfendersgo:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: February 23, 2026
• sold: 0
• quantity: 1

returns atvfendersgo:

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

general atvfendersgo:

• condition: Used
• Body Frame > Body Parts, doors Fenders > Fenders

seller atvfendersgo:

• rating: 98.6%
• city: Spokane, Washington
• # reviews: 6774

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