ARCTIC CAT F66B0081 Cooled Engine F1000 2-STROKE 531

( Brand: Arctic Cat ), ( Manufacturer Part Number: F66B0081 ), ( Part Type: Engine )

Review ARCTIC CAT Liquid Cooled 2-stroke Engine 531 Miles Oem fits EFI LXR 2007

Introducing the Arctic Cat F66B0081, a 2007 F1000 EFI LXR cooled 2-stroke snowmobile engine. This high-performance engine is a testament to Arctic Cat's commitment to delivering power and efficiency on the snow.

The F1000 engine is a 2-stroke, liquid-cooled powerhouse, designed to provide ample power for even the most demanding snow conditions. The engine utilizes an EFI (Electronic Fuel Injection) system, which ensures precise fuel delivery for optimal combustion and improved cold-start performance. This system features a closed-loop fuel control system that continually adjusts the fuel mixture based on engine temperature, ensuring consistent power and efficiency throughout the riding experience.

The Arctic Cat F66B0081 engine boasts a displacement of 998cc, which translates to impressive power and torque output. The engine is also equipped with a 6-speed transmission, providing a wide range of gearing options for various snow conditions and riding styles.

One of the most notable features of this engine is its cooling system. The engine utilizes an LXR (Liquid-cooled, X-ring, Radial) cooling system, which effectively dissipates heat and keeps the engine running at optimal temperatures. This cooling system includes a large radiator, which is strategically positioned to maximize airflow and cooling efficiency.

Additionally, the F66B0081 engine is built with durability in mind. It features a robust crankshaft, forged pistons, and high-quality materials throughout. The engine also includes a reed-valve intake system, which provides excellent power and efficiency while minimizing emissions.

In summary, the Arctic Cat F66B0081 2007 F1000 EFI LXR cooled 2-stroke engine is a high-performance, reliable, and efficient powerplant designed for demanding snowmobiling conditions. Its EFI system ensures consistent power and improved cold-start performance, while its cooling system effectively dissipates heat and keeps the engine running at optimal temperatures. The engine's robust construction and high-quality materials ensure durability and long-lasting performance.

The Arctic Cat F66B0081 2007 F1000 EFI LXR Cooled 2-Stroke Engine is a high-performance snowmobile engine. Here are some pros and cons to help you make an informed decision about purchasing it:

1. Power and Performance: This engine delivers impressive power and acceleration, making it an excellent choice for those who enjoy high-speed snowmobiling.

2. Efficiency: The engine's 2-stroke design means that it requires less fuel to produce the same amount of power as a 4-stroke engine.

3. Cooling System: The engine's cooling system helps to prevent overheating, which can be a common issue with high-performance engines.

4. Easy Starting: The EFI (Electronic Fuel Injection) system makes starting the engine easy, even in cold temperatures.

5. Durability: Arctic Cat engines are known for their durability, and the F66B0081 is no exception.

1. Maintenance: 2-stroke engines require more frequent maintenance than 4-stroke engines, including regular oil changes and tuning.

2. Emissions: 2-stroke engines produce higher emissions than 4-stroke engines, which may be a concern for some consumers.

3. Noise: The engine can be quite loud, which may be a drawback for those who prefer a quieter snowmobiling experience.

4. Limited Availability: Since this is a specific model and year of engine, parts and support may be harder to find compared to more common models.

The Arctic Cat F66B0081 2007 F1000 EFI LXR Cooled 2-Stroke Engine is a powerful and efficient choice for those who prioritize high-performance snowmobiling. However, it requires more frequent maintenance than a 4-stroke engine and produces higher emissions. Additionally, due to its specificity, parts and support may be harder to find. Ultimately, the decision to purchase this engine depends on your personal preferences, snowmobiling style, and willingness to accept the trade-offs.

If you prioritize power, performance, and efficiency, and are willing to accept the higher maintenance requirements and noise level, then the Arctic Cat F66B0081 2007 F1000 EFI LXR Cooled 2-Stroke Engine may be a good choice for you. However, if you prefer a quieter, less maintenance-intensive engine, or if availability of parts is a concern, then you may want to consider a 4-stroke engine instead.

Details:

Rear suspension, Diamond Drive, Brake Caliper assembly, Gas tank pump and sending unit, factory exhaust, ECU, main drive clutch etc. This Engine came out of my personal sled that always fired and ran excellent on the 3rd pull. 1,531 miles 69 Hrs. Very strong motor Stupid Fast was her name everything shown in pics is included with.

2007 Attic Cat F1000 EFI LXR OEM Engine with low mileage in excellent condition.

part #: f66b0081 prices

• $250.00-$1375.00

specifications enginesnowmobile:

• for models: Efi, Lxr
• for makes: Arctic-cat, Arctic
• for years: 2007
• brand: Arctic Cat
• mpn: F66b0081
• part type: Engine

offer enginesnowmobile:

• availability: In Stock
• options: Seller-arranged-local-pickup
• quantity: 1
• started: March 20, 2026
• sold: 0

general enginesnowmobile:

• condition: Used
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

returns enginesnowmobile:

• policy: No Returns

seller enginesnowmobile:

• rating: 96.0%
• # reviews: 79
• city: Somerset, Pennsylvania

payments enginesnowmobile:

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

shipping enginesnowmobile:

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