SKI-DOO 517305058 Engine Motor Cylinder Jug Piston Scoring

( Brand: Ski-doo ), ( Manufacturer Part Number: 517305058 ), ( Type: Cylinder Jug With Piston )

Review SKI DOO Engine Motor Cylinder Bore Jug And Piston Scoring fits SUMMIT 800 2016

The Ski-Doo Summit 800 engine, model number 517305058, is a high-performance snowmobile engine produced by Bombardier Recreational Products in 2016. This engine is part of the Summit series, known for its power, durability, and efficiency.

The cylinder jug of the Summit 800 engine is a critical component that houses the piston and cylinder. This jug is designed with a high-strength aluminum alloy, ensuring the engine can withstand the rigors of snowmobiling while keeping weight to a minimum. The jug features a precise bore size of 81.5mm, optimized for the Summit 800's powerful rotocast A-Arm ski design.

The piston inside the cylinder jug is a crucial part of the engine's combustion process. The Summit 800 engine's piston is a forged aluminum alloy design, providing exceptional strength and durability. The piston's crown is optimized for high-compression combustion, ensuring maximum power output. The piston skirt is designed to minimize friction and wear, enhancing engine efficiency and longevity.

Despite the engine's high-performance capabilities, piston scoring can still occur with regular use. Piston scoring is a common issue in snowmobile engines, caused by the deposits left behind by fuel and oil. These deposits can build up on the piston's crown and skirts, reducing performance and potentially causing damage. To address this issue, the Summit 800 engine's piston is treated with a special coating that helps prevent piston scoring. This coating, called EMB (Enhanced Molded Bore), is a proprietary technology developed by Bombardier Recreational Products. It creates a textured surface on the piston that helps reduce deposits and maintain optimal engine performance.

In summary, the Ski-Doo Summit 800 engine, model number 517305058, is a high-performance snowmobile engine designed for power, durability, and efficiency. Its cylinder jug is made from high-strength aluminum alloy, while the piston is a forged aluminum alloy design with a special coating to prevent piston scoring. Together, these components ensure the engine delivers exceptional performance in even the most challenging snowmobiling conditions.

Pros and Cons of Buying a 2016 Ski-Doo Summit 800 Engine with Motor Cylinder Jug, Piston Scoring

The Ski-Doo Summit 800 is a popular snowmobile model known for its power and performance. However, like any machine, it can experience wear and tear over time, including piston scoring on the engine cylinder jug. In this article, we will discuss the pros and cons of buying a used 2016 Ski-Doo Summit 800 engine with motor cylinder jug piston scoring.

1. Affordability: Buying a used engine can be more cost-effective than purchasing a new one. A used engine with piston scoring may be significantly cheaper than a new engine, making it an attractive option for budget-conscious consumers.

2. Availability: Used engines are more readily available than new ones, especially for older models like the 2016 Ski-Doo Summit 800. Finding a used engine with piston scoring may be easier and quicker than waiting for a new one to become available.

3. Potential for DIY Repair: For those with mechanical skills, a used engine with piston scoring could be an opportunity to learn and repair the engine themselves, saving on labor costs.

1. Potential for Further Damage: Piston scoring can be a sign of more significant engine issues. If the scoring is severe, it could indicate that other components of the engine are also wearing down or damaged. This could lead to additional repair costs and downtime.

2. Performance Issues: Piston scoring can affect the engine's performance, potentially causing issues such as loss of power, rough idling, or poor fuel efficiency. These issues could impact the overall riding experience and enjoyment of the snowmobile.

3. Uncertainty: Buying a used engine with piston scoring comes with uncertainty regarding the extent of the damage and the potential for future issues. It may be difficult to determine the exact cause of the piston scoring or the potential for other hidden damages.

In conclusion, buying a used 2016 Ski-Doo Summit 800 engine with motor cylinder jug piston scoring can offer cost savings and availability, but it also comes with potential performance issues, uncertainty, and the possibility of further damage. Before making a purchase, it is recommended to thoroughly inspect the engine, assess the extent of the scoring, and evaluate the potential repair costs versus the cost of a new engine. It may also be wise to consult with a mechanic or Ski-Doo dealer for their expert opinion. Ultimately, the decision to buy a used engine with piston scoring depends on individual circumstances, mechanical skills, and risk tolerance.

If you are considering buying a used 2016 Ski-Doo Summit 800 engine with motor cylinder jug piston scoring, it is recommended to carefully evaluate the engine's condition, potential repair costs, and the impact on performance. If the piston scoring is severe or the repair costs outweigh the benefits, it may be more cost-effective to purchase a new engine or consider other options, such as rebuilding the existing engine or finding a different snowmobile model.

Details:

One side has some scoring that can start to be felt with nail. This cylinder jug with piston is in okay overall condition. R Cycle Parts.

part #: 517305058 prices

• $150.00-$319.99

specifications enginesnowmobile:

• for models: 800, Summit
• for makes: Skidoo, Ski-doo
• for years: 2016
• brand: Ski-doo
• mpn: 517305058
• type: Cylinder Jug With Piston

returns enginesnowmobile:

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

offer enginesnowmobile:

• quantity: 1
• sold: 0
• availability: In Stock
• started: December 23, 2025
• options: Ship-to-home

payments enginesnowmobile:

• credit card: Diners-club
• other
• wallet: Apple-pay

shipping enginesnowmobile:

• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery, USPS Priority Mail
• type: Calculated
• carrier: USPS, FedEx
• class: Standard, Expedited
• transit: 4-8 Days
• cost: $0.00

general enginesnowmobile:

• condition: For parts or not working
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

seller enginesnowmobile:

• city: Kalispell, Montana
• # reviews: 18367
• rating: 99.7%

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