fits model: 250, Tundra. make: Skidoo, Ski-doo. year: 1987.

( Brand: Ski-doo ), ( Manufacturer Part Number: 420823926 ), ( Part Type: Cylinder )
The Ski-Doo Cylinder 250, model number 420823926, is a crucial component for your 1987 Ski-Doo Citation LS Tundra snowmobile. This cylinder plays a significant role in the efficient operation of your snowmobile's two-stroke, liquid-cooled engine. While I cannot provide a detailed table here, I will do my best to describe the essential features and specifications of this vital part in a detailed yet easy-to-understand way.
The Ski-Doo 250 cylinder is cast aluminum, which is a popular material choice for snowmobile engines due to its strength, durability, and excellent heat dissipation properties. The cylinder bore size is 78.5 millimeters by 67 millimeters. Its cylindrical shape allows for efficient compression and combustion to occur, thereby generating the power needed to propel your snowmobile across the snow.
This cylinder comes with a cylinder liner, which is an integral part of the overall combustion chamber. The liner is responsible for ensuring smooth engine operation by reducing wear and tear and limiting the possibility of oil consumption. In the case of the 420823926 model, the cylinder liner is made from chrome iron, a high-quality, wear-resistant material.
The cylinder's barrel has fins that aid in heat dissipation. This cooling system helps to regulate the engine's temperature, ensuring optimal performance and a longer lifecycle for the cylinder. The efficiently designed cooling fins allow adequate cooling to occur while minimizing air resistance, which can affect the snowmobile's overall fuel efficiency.
Furthermore, the Ski-Doo 250 cylinder houses several vital engine components, such as:1. Piston: The piston fits neatly inside the cylinder. Its design and materials engineer to create an airtight seal against the cylinder wall to minimize compression losses and provide smoother engine operation.
2. Connecting Rod: This component joins the piston to the crankshaft, facilitating the transfer of force from the piston to the crankshaft, thereby powering the snowmobile.
3. Crankshaft: The crankshaft converts linear motion from the piston to the rotational motion needed to drive the snowmobile's track.
In conclusion, the Ski-Doo 250 cylinder, model number 420823926, is an essential component of your 1987 Ski-Doo Citation LS Tundra's engine. Its design, made with a cast aluminum cylinder and chrome iron liner, promotes efficient combustion and cooling while ensuring durability. Proper maintenance and timely replacement of this part will ensure your snowmobile runs at its best on the snow.
The Ski-Doo Citation LS Tundra with the 250cc 1987 cylinder is an older snowmobile model, known for its versatility and reliability. This discussion will provide a balanced assessment of potential advantages and potential drawbacks for those considering buying this model.
II. Pros1. Affordability: Older models are typically more cost-effective than new ones. The price point of the Ski-Doo Citation LS Tundra with a 250cc 1987 cylinder might make it an attractive option for individuals on a budget.
2. Durability: Known for Ski-Doo's reputation, the Citation LS Tundra is a rugged snowmobile capable of withstanding harsh weather conditions and rough terrain.
3. Mechanical Components: The use of simple mechanical components in the engine makes repairs generally easier and less expensive, requiring fewer specialized tools and parts.
4. Adequate Performance: Despite being an older model, the 250cc engine offers decent power output for recreational use, providing a fun and exhilarating riding experience.
III. Cons1. Limited Modern Features: As an older model, the Citation LS Tundra does not come with the latest technology, such as electronic fuel injection or digital tachometer displays. Older models may require more frequent maintenance as well.
2. Limited Access to Parts: Due to its age, finding specific parts for the Citation LS Tundra could be challenging. This might result in extended downtime if repairs are needed.
3. Reduced Resale Value: The age of the snowmobile significantly impacts its resale value. Those considering buying this model should be aware that selling it in the future may prove more difficult and result in a lower sale price.
4. Limited Customization: The Citation LS Tundra offers fewer customization options compared to newer models. This can be a drawback for enthusiasts looking to personalize their snowmobiles.
IV. ConclusionThe Ski-Doo Citation LS Tundra with a 250cc 1987 cylinder is a reliable and affordable option for snowmobiling enthusiasts on a budget, offering a decent performance level and rugged durability. However, its lack of modern features, limited access to parts, reduced resale value, and limited customization options can make it a less desirable choice for others.
V. RecommendationsFor those looking to buy a snowmobile on a budget or those who enjoy the simplicity of mechanical engines, the Ski-Doo Citation LS Tundra with a 250cc 1987 cylinder offers a well-balanced and enjoyable riding experience. However, it's essential to consider the appeal of modern features, customization options, and the ease of parts availability based on personal preferences. Prospective buyers should thoroughly research potential issues, perform necessary maintenance and repairs, and test ride the snowmobile to ensure it meets their expectations before making a purchase.
To deck the head and bore as cylinder are all one piece. Ski Doo Cylinder 250 CC 1987 Citation LS F/C 420823926 Needs Bore, Head and cylinder are all one piece. Needs to be bored .040 over.