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  3. BOMBARDIER SKI DOO ROTAR ENGINE 340CC 402-1055

BOMBARDIER SKI-DOO ROTAR ENGINE 340CC 402-1055 Piston Rings Air Fa 402-1379

fits model: Tnt, 340. make: Ski-doo, Bombardier. year: 1973.

402-1379 Bombardier Ski-doo Rotar Engine 340cc 402-1055 New 340 Cc Piston And Rings Tnt Free Air Fa 4021379

( Brand: Bombardier Ski-doo Rotar Engine 340cc ), ( Manufacturer Part Number: 402-1055 ), ( Piston Skirt Bottom Of Piston: 59.39 ), ( Type: Piston And Rings )

Review BOMBARDIER SKI DOO ROTAR ENGINE 340CC New Piston And Rings Free Air Fa 4021379 fits TNT 340 1973

The Bombardier Ski-Doo Rotax 340cc 402-1055 340 piston rings are an essential component of the Rotax 340 engine, designed specifically for use in Ski-Doo snowmobiles. These piston rings are engineered to ensure optimal engine performance and reliability in even the most challenging snow conditions.

The piston rings are made from a high-quality, heat-resistant material that is able to withstand the intense heat and pressure generated within the engine. The rings consist of a compression ring, an oil control ring, and an optional top ring for improved sealing.

The compression ring is responsible for creating a seal between the piston and the cylinder wall to compress the fuel-air mixture and initiate the combustion process. The oil control ring, on the other hand, helps to maintain the correct amount of engine oil in the crankcase by preventing oil from leaking past the piston.

These piston rings are designed to meet the stringent requirements of TNT Air FA 4021379, ensuring that they meet the highest standards of quality and durability. Installing these new piston rings in your Rotax 340 engine is a great investment in the longevity and reliability of your snowmobile.

The installation process is straightforward and can be completed with the use of common hand tools. It is recommended that the rings are installed as a set, along with new piston pin bushings, to ensure optimal performance and sealing.

These piston rings are a must-have for anyone looking to get the most out of their Rotax 340 engine, whether you're a weekend warrior or a dedicated snowmobile enthusiast. With their superior quality and proven performance, you can trust that these piston rings will help keep your snowmobile running strong, even in the most demanding conditions.

Pros and Cons of Buying Bombardier Ski-Doo Rotax 340cc 4-stroke Engine with Part Number 402-1055 and 340 Piston Rings TNT Air FA 4021379

Introduction:

The Bombardier Ski-Doo Rotax 340cc 4-stroke engine is a popular choice for snowmobile enthusiasts. Replacing piston rings is a common maintenance task for these engines. In this article, we will discuss the pros and cons of buying this specific engine and its associated piston rings.

Pros:

1. Reliability: The Bombardier Ski-Doo Rotax 340cc engine is known for its durability and reliability. It has a proven track record in the harsh snowmobile environment.

2. Power: This engine offers impressive power and torque, ensuring a thrilling riding experience.

3. Fuel Efficiency: The 340cc engine is more fuel-efficient compared to older 2-stroke engines, making it an eco-friendly choice.

4. Easy Maintenance: The engine's design allows for easy access to components, making maintenance tasks like piston ring replacement more manageable.

5. Wide Availability: Bombardier engines are widely available, ensuring that replacement parts like the piston rings can be easily sourced.

Cons:

1. Cost: The Bombardier Ski-Doo Rotax 340cc engine and its associated piston rings can be quite expensive, especially for those on a tight budget.

2. Complexity: Compared to 2-stroke engines, 4-stroke engines like this one can be more complex to maintain, especially for those without extensive mechanical knowledge.

3. Weight: The 340cc engine is heavier than its 2-stroke counterparts, which can affect the overall performance and handling of the snowmobile.

4. Limited Lifespan: Despite their durability, these engines do have a limited lifespan, and regular maintenance, including piston ring replacement, is necessary to ensure optimal performance and longevity.

Conclusion:

The Bombardier Ski-Doo Rotax 340cc 4-stroke engine with part number 402-1055 and 340 piston rings TNT Air FA 4021379 is a powerful, reliable, and fuel-efficient choice for snowmobile enthusiasts. However, its high cost and the complexity of maintenance tasks can be drawbacks for some buyers. Ultimately, whether this engine is the right choice depends on your budget, mechanical expertise, and desired riding experience.

Recommendation:

If you are looking for a powerful, fuel-efficient, and reliable snowmobile engine and are willing to invest in its maintenance, the Bombardier Ski-Doo Rotax 340cc 4-stroke engine is an excellent choice. However, if cost and complexity are concerns, you may want to consider a less expensive or simpler 2-stroke engine. Always consult with a professional mechanic or your local snowmobile dealer for personalized advice.

Details:

Ski Doo 1973 free air FA. Buyer pays return shipping unless we mess up. Part number 402-1379 4021379. Years shown in parts list, possible other years.

part #: 4021055 price

  • $169.00

specifications snowpar:

  • for models: Tnt, 340
  • for makes: Ski-doo, Bombardier
  • for years: 1973
  • brand: Bombardier Ski-doo Rotar Engine 340cc
  • mpn: 402-1055
  • piston skirt bottom of piston: 59.39
  • type: Piston And Rings

general snowpar:

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

offer snowpar:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • started: December 7, 2025
  • sold: 0

payments snowpar:

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

seller snowpar:

  • # reviews: 3667
  • city: Niagara, Wisconsin
  • rating: 100.0%

shipping snowpar:

  • transit: 4-9 Days
  • service: USPS Ground Advantage
  • cost: $12.80
  • class: Standard
  • carrier: USPS
  • type: Calculated

returns snowpar:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: tnt, 340, for makes: ski-doo, bombardier, for years: 1973, piston skirt bottom of piston: 59.39, type: piston and rings,
category: snowmobile parts > parts, sku: 9275050773556771,

Bombardier Ski-doo Rotar Engine 340cc 402-1055 Is Similar To:

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2 offers $169.00–$169.00 USD
  • Offer #1: $169.00 price + $14.10 shipping estimate = $183.10* total. Ski Doo 1973 free air FA.+$14.10 shipping
  • Offer #2: $169.00 price + $14.10 shipping estimate = $183.10* total. Ski Doo 1966 olympic olympique.+$14.10 shipping

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