fits model: Tnt, 340. make: Ski-doo, Skidoo.

( Brand: Skidoo ), ( Part Type: Head Cylinder Piston )
The Ski-Doo TNT 39, first introduced in the 1970s, was a remarkable snowmobile in its era. Characterized by its power, cool design, and reliability, this legendary machine is renowned among snowmobiling enthusiasts. One of its essential components is the head cylinder piston, which plays a significant role in the engine's performance. Let's dive deep into the features and capabilities of a 1970s Ski-Doo TNT 39 340cc head cylinder piston.
Product Description:The Ski-Doo TNT 39 340cc head cylinder piston is a crucial component of the engine responsible for converting thermal energy into mechanical work via piston motion. It is a key element of the two-stroke engine that powers the iconic TNT 39 snowmobile. This piston delivers robust performance in extreme cold temperatures, which is a critical requirement for any snowmobile engine.
The piston is precision- engineered from a forged aluminum alloy material, offering increased strength and durability in harsh conditions. The piston's unique design, featuring a spat-type combustion chamber, maximizes power output throughout the RPM range. This contributes to the TNT 39's impressive acceleration and top speed, making it a favorite among snowmobilers.
Dimensions:The Ski-Doo TNT 39 340cc head cylinder piston measures approximately 4.8 inches (121.92mm) in length, with a piston skirt diameter of around 4.5 inches (114.3mm). The piston's compression height is about 2.7 inches (68.58mm), providing a good balance between power and efficiency.
Design and Functionality:The 1970s Ski-Doo TNT 39 head cylinder piston exhibits an intricate design, with cooling fins on the skirt that enable heat dissipation from the piston to the engine's cooling system. The piston rings ensure a tight seal between the piston and cylinder wall, minimizing gas leakage and maintaining the proper balance of air-fuel mixture required for efficient combustion.
Conclusion:The 1970s Ski-Doo TNT 39 340cc head cylinder piston is a marvelous piece of engineering that showcases the elegance and performance of this iconic snowmobile. This component plays a crucial role in delivering the power and reliability needed to dominate snowy terrains. When working in harmony with other engine parts, it keeps the masterpiece of the 1970s Ski-Doo TNT 39 roaring through the snow.
Buying a 1970s Ski-Doo TNT 39 with a 340 engine presents both advantages and disadvantages for potential buyers. Here are some key points to consider before making a decision.
Advantages:1. Vintage Appeal: The 1970s Ski-Doo TNT 39 with a 340 engine is a vintage snowmobile that showcases the design and style of the era. This can be an attractive feature for collectors and enthusiasts of vintage machinery.
2. Affordability: Compared to modern snowmobiles, a well-maintained 1970s Ski-Doo TNT 340 could be an affordable option.
3. Simple Mechanics: The engine and mechanical components of a 1970s Ski-Doo TNT 340 may be less complex compared to modern snowmobiles, making repairs and maintenance potentially easier and less costly.
Disadvantages:1. Lack of Modern Features: A vintage snowmobile like the 1970s Ski-Doo TNT 340 may not come equipped with modern features such as electronic ignition, power steering, reverse, or automatic engine idling systems.
2. Performance: The 340 engine may not provide the powerful and efficient performance that a modern snowmobile engine would.
3. Maintenance and Availability of Parts: Obtaining replacement parts for a 1970s Ski-Doo TNT 340 may be more challenging compared to modern models, and the availability and cost of these parts could be a concern for owners.
In conclusion, the decision to buy a 1970s Ski-Doo TNT 340 depends on the potential buyer's preferences and priorities. If the appeal of owning a vintage snowmobile and the simplicity of its mechanical components are attractive features, then purchasing a 1970s Ski-Doo TNT 340 could be a good choice. However, if modern features, powerful performance, and easy access to replacement parts are important considerations, then a newer snowmobile might be a better option. Ultimately, it's essential to carefully evaluate the condition of the specific TNT 340 model being considered and weigh the advantages and disadvantages before making a decision.
Some light wear here and there. Cylinder piston are.
This combo was pulled from a 1977 Tnt f a combine offers and save on shipping. Cylinder has no scoring or damage. Piston has no cracks or damage.
Some light wear here and there and a few starches. Cylinder had very good compression.