KTM 59031050100 Rfs Engine Breather Tube Hose 520

( Manufacturer Part Number: 59031050100 ), ( Part Type: Engine Breather Tube Hose ), ( Color: Black ), ( Material: Rubber ), ( Country Of Origin: Austria )

Review KTM Rfs Engine Breather Tube Hose Oem Exc 520 fits MXC 400 450 525 2000–2007

The **KTM 59031050100 OEM Engine Breather Tube Hose** is a precision-engineered component designed specifically for KTM s high-performance dual-sport and off-road motorcycles, including the **MXC 400, MXC 450, MXC 520, and MXC 525 models produced between the 2000 and 2007 model years**. Crafted from durable, high-quality rubber with reinforced synthetic fibers, this breather tube hose ensures optimal airflow management while maintaining a tight, leak-proof seal between the engine s crankcase and the air filter system. Its sleek, tapered design allows for efficient gas exchange, reducing backpressure and enhancing engine efficiency critical for maintaining peak performance in demanding riding conditions. The hose features a robust, heat-resistant construction to withstand the intense thermal cycling and mechanical stress inherent in aggressive off-road use, ensuring longevity even under extreme operating temperatures. Compatible exclusively with the **RFS (Revised Fuel System) engines** found in these KTM models, this part adheres to strict OEM specifications, guaranteeing a seamless fit with minimal modification required. Whether you're tackling rough trails, racing on the track, or pushing the limits in competitive enduro, this breather tube hose delivers reliable functionality and durability, helping preserve the integrity of your engine s breathing system for years of trouble-free operation.

### **Pros and Cons of buying a KTM 59031050100 (RFS Engine Breather Tube Hose for MXC 400/450/520/525, 00-07 Models)**

1. **OEM Quality and Fit** This part is manufactured to KTM s original specifications, ensuring a precise fit and reliable performance. It is designed to replicate the factory component, reducing the risk of leaks or improper sealing.

2. **Compatibility with Multiple Models** The part is designed for several KTM MXC models (400, 450, 520, 525) from the 2000 to 2007 model years, making it a versatile purchase for riders with different bikes or those looking to stock up for future repairs.

3. **Prevents Engine Contamination** The breather tube hose helps maintain proper airflow and prevents dust, debris, and moisture from entering the engine s intake system, which can extend the life of the air filter and engine components.

4. **Easy Installation** As a direct replacement part, it should be straightforward to install, requiring minimal tools and expertise. Most riders or even mechanics-in-training can replace it without professional assistance.

5. **Cost-Effective Alternative to Full Engine Work** Replacing a worn or damaged breather hose is far cheaper than overhauling the engine or replacing internal components damaged by contamination.

6. **Availability and Reliability** Since it is an aftermarket part from a reputable brand (likely KTM or an authorized supplier), it is widely available through dealers, online retailers, and specialty motorcycle parts stores.

7. **Maintenance Convenience** Regularly checking and replacing the breather hose as part of routine maintenance can help avoid unexpected engine issues, saving time and money in the long run.

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1. **Potential Counterfeit Risk** If purchased from an untrusted seller (especially online marketplaces), there is a risk of receiving a counterfeit or low-quality replica. Always buy from authorized dealers or verified sellers to avoid this issue.

2. **Wear Over Time** Like any rubber or plastic component, the hose may degrade due to exposure to heat, UV light, or chemicals (e.g., oil, fuel). It will eventually need replacement, and the lifespan can vary based on riding conditions.

3. **Limited Longevity Compared to Metal Parts** While durable, rubber hoses are not as long-lasting as metal components. They may crack or harden over time, requiring more frequent replacements than, say, a metal breather tube.

4. **Price Sensitivity** Depending on the market, the cost of this part may be higher than generic or third-party alternatives. However, given its OEM quality, the price is often justified for reliability.

5. **Installation Challenges for Beginners** While simple, improper installation (e.g., over-tightening clamps or misaligning the hose) could lead to leaks or damage. Riders unfamiliar with bike maintenance may need guidance.

6. **Environmental Factors** Harsh riding conditions (e.g., muddy tracks, extreme temperatures, or salt exposure) can accelerate wear. Riders in such environments may need to replace it more frequently.

7. **Stock Availability Issues** While generally available, parts shortages or supplier stockouts could occur, especially if demand spikes (e.g., during peak riding seasons).

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The **KTM 59031050100 RFS Engine Breather Tube Hose** is a high-quality, reliable replacement part that offers significant benefits for KTM MXC owners. Its OEM compatibility, ease of installation, and role in preventing engine contamination make it a worthwhile investment for maintenance or repairs. However, buyers should prioritize purchasing from trusted sources to avoid counterfeit products and be mindful of the hose s finite lifespan, especially under demanding conditions.

For most riders, the **pros outweigh the cons**, making this a recommended purchase for those maintaining or restoring their KTM MXC models from 2000 to 2007. If budget is a concern, comparing it to third-party alternatives (while ensuring quality) may be prudent, but the OEM part remains the safest choice for long-term reliability.

- **Buy from an authorized KTM dealer or a reputable online retailer** (e.g., KTM s official website, RockAuto, or specialty motorcycle parts stores) to ensure authenticity.

- **Replace the hose as part of regular maintenance** (e.g., every 2 3 years or when signs of cracking/wear appear).

- **Inspect the installation** for leaks or improper sealing after replacement.

- **Consider storing the bike properly** to minimize environmental damage to the hose and other components.

For riders who prioritize performance, longevity, and peace of mind, this part is a **strong recommendation**.

Details:

Parts shows minor wear and/or signs of normal use. OEM 2005 KTM 525 MXC Engine Breather Tube, PN, Fit the RFS engine from 02-07, as well 250sxf 05-15, Used parts in good condition. Includes any and all hardware shown in the photos. Free Shipping within the continental US Lower 48.

Removed from a running bike.

part #: 59031050100 prices

• $15.09-$83.12

specifications intakefuelmotorcycle:

• for models: Mxc, 400, 450, 525
• for makes: Ktm
• for years: 2000-2007
• mpn: 59031050100
• part type: Engine Breather Tube Hose
• color: Black
• material: Rubber
• country of origin: Austria

payments intakefuelmotorcycle:

• other
• credit card: Discover
• wallet: Paypal

returns intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• quantity: 1
• availability: In Stock
• started: February 17, 2026
• sold: 0
• options: Ship-to-home

shipping intakefuelmotorcycle:

• type: Fixed
• service: Standard, UPS Ground
• cost: $0.00
• class: Standard
• transit: 3-7 Days
• carrier: UPS

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: Used

seller intakefuelmotorcycle:

• # reviews: 1033
• city: Rensselaer, Indiana
• rating: 99.0%

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