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  3. SKI DOO ROTEX FA FREE AIR 2159PS

SKI-DOO ROTEX 340 FA FREE AIR 2159PS Piston Rotax

fits model: Std, Tnt, 340. make: Skidoo, Ski-doo. year: 1972–1975.

2159ps Ski-doo Rotex 340 Fa Free Air New Std Piston For Tnt Rotax 1972 1973 1974 1975 #

( Brand: Ski-doo Rotex 340 Fa Free Air ), ( Manufacturer Part Number: 2159PS ), ( Part Type: Piston )

Review SKI DOO ROTEX 340 FA FREE AIR New Piston For Rotax fits STD TNT 340 1972–1975

Introducing the Ski-Doo Rotax 340 FA Air 2159PS Standard Piston, a high-performance and reliable component designed specifically for the TNT Rotax engines used in Ski-Doo snowmobiles between the years 1972 and 1975. This piston, part number 2159PS, is an essential upgrade for those seeking improved engine efficiency and enhanced power output.

The Rotax 340 FA Air 2159PS Standard Piston is engineered with a forged aluminum construction, ensuring maximum strength and durability. Its design incorporates a modern, flat top shape that provides optimal compression and combustion efficiency. Additionally, this piston features a ring pack that is specifically engineered for the TNT Rotax engines, ensuring a precise fit and optimal ring seal.

The piston's air cooling design is an essential feature for the high-performance demands of snowmobiling. By allowing cool air to circulate around the piston, it helps to maintain a consistent operating temperature, reducing the risk of engine damage caused by overheating. This design also ensures optimal piston-to-liner clearance, preventing any potential contact between the piston and cylinder walls during operation.

The Rotax 340 FA Air 2159PS Standard Piston boasts several other key features that make it an ideal upgrade for your Ski-Doo TNT Rotax engine. Its piston pin is made of high-strength steel, ensuring a secure connection between the piston and crankshaft. Additionally, the piston's wrist pin bore is precision-machined for a perfect fit, reducing the risk of wrist pin play and ensuring optimal engine performance.

In summary, the Ski-Doo Rotax 340 FA Air 2159PS Standard Piston is a high-performance and reliable upgrade for the TNT Rotax engines used in Ski-Doo snowmobiles between the years 1972 and 1975. Its forged aluminum construction, flat top design, air cooling system, and precision-machined components make it an essential upgrade for those seeking improved engine efficiency, enhanced power output, and optimal engine performance.

Pros and Cons of Buying a Ski-Doo Rotax 340 FA Air 2159PS Standard Piston for TNT Rotax (1972-1975)

1. Compatibility:

Pro: This piston is specifically designed for the Ski-Doo TNT Rotax models from 1972 to 1975.

Con: It may not be compatible with other snowmobile models or years, limiting its versatility.

2. Performance:

Pro: The Rotax 340 engine is known for its powerful performance, and this standard piston is designed to optimize that power output.

Con: Installing a new piston may require additional modifications or adjustments to ensure optimal performance.

3. Durability:

Pro: The piston is made of high-quality materials, ensuring it can withstand the rigors of snowmobiling and provide long-lasting service.

Con: The price point may be higher compared to some aftermarket options, requiring a larger investment upfront.

4. Availability:

Pro: This piston is manufactured by Ski-Doo, ensuring it is readily available from authorized dealers and distributors.

Con: Availability may be limited in remote locations or during peak sales seasons, making it essential to plan ahead.

5. Maintenance:

Pro: Replacing a worn-out piston is a regular maintenance task, and using an OEM (Original Equipment Manufacturer) part like this one ensures the best fit and performance.

Con: Performing the installation yourself may require advanced mechanical skills and specialized tools.

6. Cost:

Pro: Investing in a high-quality OEM piston like this one may save money in the long run by reducing the need for frequent repairs or replacements.

Con: The upfront cost may be higher compared to aftermarket options, requiring a larger initial investment.

Conclusion:

The Ski-Doo Rotax 340 FA Air 2159PS Standard Piston for TNT Rotax (1972-1975) offers several benefits, including compatibility, performance, durability, and availability. However, it comes with a higher upfront cost and may require additional modifications or skills for installation. Ultimately, the decision to purchase this piston depends on your budget, mechanical skills, and preference for using OEM parts. If you value the peace of mind that comes with using a high-quality part designed specifically for your snowmobile and are willing to invest in it, then this piston is a worthy consideration.

Details:

Wisc 2159PS. New Wisc Standard piston with rings. 59.39mm measured at bottom of piston Skirt. Buyer pays return shipping unless we mess up.

part #: 2159ps price

  • $69.99

specifications snowpar:

  • for models: Std, Tnt, 340
  • for makes: Skidoo, Ski-doo
  • for years: 1972-1975
  • brand: Ski-doo Rotex 340 Fa Free Air
  • mpn: 2159ps
  • part type: Piston

general snowpar:

  • condition: New
  • Parts Accessories > Snowmobile Parts > Other Parts

returns snowpar:

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

payments snowpar:

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

offer snowpar:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • started: December 8, 2025

shipping snowpar:

  • service: USPS Ground Advantage
  • carrier: USPS
  • cost: $12.80
  • transit: 3-8 Days
  • type: Calculated
  • class: Standard

seller snowpar:

  • city: Niagara, Wisconsin
  • rating: 100.0%
  • # reviews: 3667
for models: std, tnt, 340, for makes: skidoo, ski-doo, for years: 1972-1975, part type: piston,
category: snowmobile parts > parts, sku: 9289828902428781,

Ski-doo Rotex 340 Fa Free Air 2159PS Is Similar To:

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1 offer $69.99 USD
  • Offer #1: $69.99 price + $10.60 shipping estimate = $80.59* total. 1972-75 340 TNT F/A TWIN 339CC.+$10.60 shipping

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