SPI SM-09287 Standard Piston Snow 85MM

( Brand: Spi ), ( Manufacturer Part Number: SM-09287 ), ( Part Type: Piston ), ( Country Of Origin: Taiwan )

Review SPI Standard Bore Piston Kits Polaris Snow Model's 85mm fits 800 2017–2023

Introducing the SPI SM-09287 Standard Piston, an essential component designed specifically for Polaris 800 snow machines produced between 2017 and 2023. This piston, with an 85mm bore size, is engineered to meet the SPI (Snow Performance Industries) SM-09287 standard.

Crafted from high-quality materials, this piston is designed to deliver superior performance and longevity. Its piston crown is meticulously machined to ensure optimal combustion efficiency, translating to increased power output and improved fuel economy. The piston skirt, on the other hand, features a precise fit to minimize blow-by and reduce engine oil consumption.

The piston ring package includes a compression ring, oil control ring, and two piston rings. Each ring is designed to perform its specific function effectively, ensuring optimal engine performance and reducing the need for frequent ring replacement. The compression ring optimizes the seal between the piston and the cylinder wall, while the oil control ring minimizes oil consumption and blow-by. The two piston rings work together to provide a snug fit and even compression across the piston length.

This standard piston is also compatible with various aftermarket performance upgrades and modifications, making it an excellent choice for those seeking enhanced engine performance. With its meticulous design and attention to detail, the SPI SM-09287 Standard Piston is the ideal choice for Polaris 800 snow machine enthusiasts looking to optimize their engine's performance and longevity.

Buying a SPI SM-09287 standard piston for a Polaris 800 snowmobile model from 2017 to 2023 with an 85mm bore size has both advantages and disadvantages that you should consider before making a purchase.

1. OEM compatibility: The SPI SM-09287 piston is an original equipment manufacturer (OEM) replacement part, ensuring a perfect fit and proper function for your Polaris snowmobile.

2. Improved performance: Upgrading to a new piston can lead to improved engine performance, such as increased power and better fuel efficiency.

3. Durability: A new piston can help extend the lifespan of your engine by reducing wear and tear on other components.

1. Cost: Replacing a piston can be an expensive repair, especially when considering the labor costs involved in the installation process.

2. Time-consuming: Installing a new piston can take significant time, as it requires the removal of the engine cylinder head and other components.

3. Risk of damage: There is a risk of damaging other engine components during the installation process, which could result in additional repair costs.

Considering the advantages and disadvantages, purchasing an SPI SM-09287 standard piston for a Polaris 800 snowmobile model from 2017 to 2023 with an 85mm bore size can be a worthwhile investment for those looking to improve engine performance and durability. However, it comes with a significant cost and time commitment, as well as the risk of potential damage during installation.

If you are experiencing engine issues or looking to upgrade your snowmobile's performance, a new piston may be a worthwhile investment. However, it's important to weigh the costs and consider seeking professional installation to minimize the risk of damage to other engine components. Alternatively, you may want to explore other performance upgrades or maintenance tasks that could improve your snowmobile's performance at a lower cost. Ultimately, the decision to purchase a new piston should be based on your specific needs and budget.

Details:

Included is two piston kits pistons, rings, cir clips and wrist pins. 2017 Pro RMK 800 155 LE. Made in Taiwan. Manufactured by SPI.

Works in both cast and chrome cylinders. T-Molly series pistons feature silicone aluminum alloy construction with Teflon and molybdenum coating a hard anodized crown. 2017 Pro RMK 800 163. Pistons are for standard bore size 85.00mm.

Manufactured to OEM Specifications. Compatible with Polaris model's below: 2017 Pro RMK 800 155.

part #: sm09287 prices

• $19.95-$277.99

specifications enginesnowmobile:

• for models: 800
• for makes: Polaris
• for years: 2017-2023
• brand: Spi
• mpn: Sm-09287
• part type: Piston
• country of origin: Taiwan

seller enginesnowmobile:

• city: Suamico, Wisconsin
• rating: 99.9%
• # reviews: 416339

shipping enginesnowmobile:

• transit: 3-7 Days
• service: Standard
• type: Fixed
• class: Standard
• cost: $0.00

general enginesnowmobile:

• Snowmobile Parts > Engines Components > Snowmobile Engine Components
• condition: New

payments enginesnowmobile:

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

offer enginesnowmobile:

• availability: In Stock
• sold: 0
• quantity: 1
• started: May 4, 2026
• options: Ship-to-home

returns enginesnowmobile:

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

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