FMF 25262 Turbine Core

( Brand: Fmf ), ( Manufacturer Part Number: 25262 ), ( Type: Spark Arrestor Silencer ), ( Machine Type: Off-road Motorcycle )

Review FMF Turbine Core Ktm Husqvarna Tpi fits TE300 250 300 2019–2023

The **FMF 25262 Turbine Core** is a high-performance, precision-engineered replacement part designed exclusively for the **KTM 250/300 SX-F, 300 SX-F, and Husqvarna TE 300 models produced between 2019 and 2023**. This critical component plays a pivotal role in the air-cooled, two-stroke engine s exhaust system, ensuring optimal power delivery, efficiency, and longevity. Crafted from durable, heat-resistant materials, the turbine core is meticulously machined to maintain the exact specifications required by these high-revving, sport-tuned engines. Its unique design incorporates a series of strategically contoured blades and a robust housing, allowing for seamless airflow while minimizing backpressure key factors in maximizing throttle response and horsepower. Whether used for routine maintenance, performance upgrades, or as a direct replacement for a worn-out or damaged original part, this turbine core delivers the reliability and performance enthusiasts demand. Built to withstand the extreme conditions of off-road racing and aggressive riding, it integrates seamlessly with the stock exhaust system, ensuring a perfect fit without compromising on durability. For riders seeking to preserve their engine s peak condition or those looking to fine-tune their bike s exhaust note and efficiency, the **FMF 25262 Turbine Core** is an indispensable, high-quality solution that upholds the performance legacy of these iconic two-stroke machines.

### **Pros and Cons of Buying a Used FMF 25262 Turbine Core (KTM 250/300/TE300, 2019 2023)**

#### **Pros**

1. **High Performance and Reliability**

- The **25262 engine** (used in KTM 250 SX-F, 300 SX-F, and Husqvarna TE300 models from 2019 2023) is a refined, high-revving **two-stroke** (or **four-stroke in TE300**) powerplant known for its aggressive throttle response and strong mid-to-high RPM power delivery.

- The **2019 2023 models** feature **improved fuel injection (TE300)**, better suspension tuning (WP XACT), and more precise electronics (PowerPulse ECU) compared to earlier generations, making them more user-friendly and efficient.

- The **turbine core** (part of the airbox system) is a key component for airflow efficiency, ensuring optimal engine breathing critical for maintaining power and longevity.

2. **Strong Aftermarket Support**

- These bikes benefit from a **vast aftermarket**, including performance upgrades (exhaust, carb tuning, clutch kits), making them highly customizable.

- Parts like the **25262 engine, WP suspension, and PowerPulse ECU** are widely available, reducing downtime for repairs.

- The **TE300 s four-stroke engine** (if preferred) offers smoother power delivery and better fuel efficiency than traditional two-strokes, appealing to riders who want a balance of performance and practicality.

3. **Resale Value and Market Demand**

- KTM and Husqvarna bikes in this range hold their value well due to their reputation for **durability and racing pedigree**.

- The **2019 2023 models** are still relatively new in the used market, meaning they haven t depreciated as much as older bikes, and demand remains strong among off-road enthusiasts.

4. **Lightweight and Agile**

- These bikes are **extremely lightweight** (under 200 lbs for most models), making them highly maneuverable and easy to handle on technical terrain.

- The **WP XACT suspension** is one of the best in the class, offering excellent adjustability for different riding styles and trail conditions.

5. **Versatility Across Disciplines**

- The **250/300cc two-strokes** excel in **cross-country (XC), enduro, and motocross**, while the **TE300 (four-stroke)** is better suited for **longer rides, dual-sport use, or riders who prefer smoother power**.

- The **adjustable PowerPulse ECU** allows for fine-tuning of power delivery, making these bikes adaptable to different riding preferences.

6. **Cost-Effective Ownership (Compared to New)**

- Buying used saves **thousands of dollars** compared to a new model, while still offering **near-new performance and reliability**.

- Maintenance costs are reasonable, especially if the bike has been well-maintained (oil changes, chain care, valve adjustments for two-strokes).

---

#### **Cons**

1. **High Maintenance Requirements (Two-Stroke Models)**

- **Two-stroke engines (250/300 SX-F)** require **frequent oil mixing** (typically 1:25 or 1:50 oil-to-gas ratio) and **regular valve adjustments** (every 5 10 hours of use) to prevent wear.

- **Piston and cylinder wear** is more pronounced than in four-strokes, meaning **more frequent rebuilds** (every 100 150 hours, depending on riding conditions).

- **Exhaust and muffler wear** can be an issue due to high heat and stress, requiring occasional replacements.

2. **Fuel Efficiency is Poor (Two-Stroke Models)**

- Two-stroke engines **burn oil and gas together**, leading to **high fuel consumption** (around **1.5 2.5 L per hour** depending on riding style).

- The **TE300 (four-stroke)** is far more efficient ( **1.0 1.5 L per hour**), making it a better choice for riders who prioritize range.

3. **Suspension and Tire Wear**

- WP XACT suspension is excellent but **not indestructible** fork seals, shocks, and bushings can wear out over time, especially on aggressive riding.

- **Tires degrade quickly** on rough terrain, requiring frequent replacements (expect **1 2 sets per year** for heavy use).

4. **Noise and Emissions (Two-Stroke Models)**

- Two-stroke bikes are **loud** (often exceeding legal limits in some regions) and **polluting**, which can be a drawback in areas with strict noise or emissions regulations.

- The **TE300 (four-stroke)** is quieter and cleaner, making it a better choice for riders in urban or regulated areas.

5. **Electronics and ECU Sensitivity**

- The **PowerPulse ECU** is powerful but can be **fussy with tuning** misconfigurations can lead to **poor throttle response or engine damage**.

- Some riders report **glitches in the ECU** over time, requiring occasional recalibration or replacement.

6. **Higher Initial Cost of Used Models (Compared to Older Bikes)**

- While cheaper than new, **2019 2023 models** are still **more expensive than older KTM/Husqvarna bikes** (e.g., 2015 2018), meaning you pay a premium for newer tech.

- If buying a **high-mileage example**, you may still face **hidden maintenance costs** (e.g., rebuilt engine, suspension refresh).

7. **Limited Comfort for Long Rides (Two-Stroke Models)**

- The **aggressive, lightweight design** of two-stroke bikes is optimized for **short, intense rides** rather than long enduros.

- The **TE300 (four-stroke)** is more comfortable for extended riding due to its smoother power delivery and slightly better ergonomics.

---

### **Ending Conclusion**

The **FMF 25262 turbine core (KTM 250/300/TE300, 2019 2023)** represents a **strong used purchase** for riders who prioritize **performance, agility, and aftermarket potential**. The **2019 2023 models** bring **significant improvements** over older generations, including **better fuel injection (TE300), refined suspension, and more reliable electronics**.

- **Motocross/Enduro riders** who want a **high-revving, lightweight machine** with strong aftermarket support.

- **Riders who prefer two-stroke power** and don t mind **higher maintenance**.

- **Those who want a bike that holds value** and still performs like a new one with proper care.

- **Riders who enjoy tuning and customization** (exhaust, carb, clutch, suspension upgrades).

- **Riders who prioritize fuel efficiency and low maintenance** (TE300 is better, but still not as efficient as modern four-strokes).

- **Those in noise-restricted areas** (two-strokes may not pass emissions checks).

- **Beginners or casual riders** who aren t comfortable with **regular engine maintenance**.

- **Riders who prefer comfort for long rides** (two-strokes are less suited for extended enduros).

### **Recommendation**

1. **Check the engine condition** Look for **no blue smoke (burning oil)**, smooth revving, and **no excessive play in the crankshaft**.

2. **Inspect the turbine core and airbox** Ensure **no cracks, leaks, or clogged filters** that could restrict airflow.

3. **Verify suspension health** Check for **leaking fork seals, worn shocks, and proper damping**.

4. **Review maintenance records** A bike with **regular oil changes (two-stroke), valve adjustments, and chain care** will last longer.

5. **Test ride thoroughly** Pay attention to **throttle response, braking, and handling** any hesitation or roughness could indicate hidden issues.

- **For pure speed and agility (motocross/light enduro):** **KTM 250/300 SX-F (two-stroke)** If you re willing to maintain it properly.

- **For a balance of power and comfort (longer rides):** **Husqvarna TE300 (four-stroke)** Smoother, more efficient, and easier to maintain.

- **For maximum value and aftermarket potential:** **2021 2023 models** They have the **latest refinements** (better ECU tuning, suspension updates).

Buying a **2019 2023 KTM 250/300/TE300 with a 252

Details:

I'll do my best to offset mistakes, and in most cases I ll whatever you think is fair. CONDITION - Good used silencer from my personal bike. I have a broken collarbone right now, so did not clean as well usually would. Please review the pics and assess condition for yourself as well, see in.

Special model's may have exceptions. Although I do my best to describe accurately, I m human, sometimes miss something. It only takes a few minutes to message me, If you contact me I can guarantee fit. This should fit 2019 to 2022 SX, XC, TC, TX and 2020 2023 XC-W, EXC, TE in 125, 150, 250, 300 with carb or TPI.

This is a good used FMF turbine core 2 spark arrested silencer. Please or message me with any concern. If I've made a mistake, shipping costs are on me.

part #: 25262 prices

• $197.99-$213.39

specifications cyclemufflermo:

• for models: Te300, 250, 300
• for makes: Ktm, Husqvarna
• for years: 2019-2023
• brand: Fmf
• mpn: 25262
• type: Spark Arrestor Silencer
• machine type: Off-road Motorcycle

shipping cyclemufflermo:

• service: Standard
• type: Fixed
• class: Standard
• cost: $15.00
• transit: 4-8 Days

general cyclemufflermo:

• condition: Used
• Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles

payments cyclemufflermo:

• credit card: Mastercard
• other
• wallet: Apple-pay

seller cyclemufflermo:

• # reviews: 7807
• rating: 100.0%
• city: Lakeport, California

returns cyclemufflermo:

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

offer cyclemufflermo:

• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: March 13, 2026
• quantity: 1

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