SPI 09-774N Standard Piston Ski Doo 64.5MM

( Brand: Spi ), ( Manufacturer Part Number: 09-774N ), ( Part Type: Piston ), ( Country Of Origin: Taiwan )

Review SPI Standard Bore Piston Kits Ski doo 64.5mm fits FORMULA 600 1995–1999

Introducing the SPI 09-774N Standard Piston, a high-performance replacement option for Ski-Doo Formula 600 models produced between 1995 and 1999. This piston is specifically designed for engines with a 64.5mm bore size.

Manufactured to meet the stringent SPI (Ski-Doo Performance Industries) standards, this piston guarantees superior quality and reliability. The piston features a forged construction, ensuring a strong and durable component that can withstand the rigors of continuous use.

The piston crown is designed with a spherical shape, which allows for optimal combustion and increased power output. The piston ring grooves are precision machined to ensure proper sealing and prevent oil leakage. The skirt of the piston is designed to be thin yet strong, reducing weight and increasing efficiency.

This piston is also designed to work seamlessly with the OEM (Original Equipment Manufacturer) connecting rod and crankshaft. The piston's pin bore is precisely machined to ensure a perfect fit with the connecting rod small end.

The SPI 09-774N Standard Piston is an excellent choice for enthusiasts seeking to enhance the performance of their Ski-Doo Formula 600 models. With its superior quality, precise engineering, and excellent fitment, this piston is sure to provide unmatched reliability and power.

In summary, the SPI 09-774N Standard Piston is a top-of-the-line replacement option for Ski-Doo Formula 600 engines produced between 1995 and 1999. Its forged construction, spherical piston crown, and precise machining make it a durable and efficient component that is sure to exceed your expectations.

The SPI 09-774N standard piston is a replacement option for Ski-Doo Formula 600 models from 1995 to 1999 with a 64.5mm bore size. To help you make an informed decision about purchasing this piston, here are some potential pros and cons.

1. OEM Equivalent: This piston is manufactured to meet the original equipment (OEM) specifications for the Ski-Doo Formula 600 engines, ensuring optimal performance and reliability.

2. Enhanced Durability: The piston may provide better durability compared to the OEM piston, especially if the original piston has worn out or failed prematurely.

3. Improved Power: Depending on the specific aftermarket piston design, it may offer increased power output compared to the stock piston, which can lead to improved performance.

4. Cost-Effective: In some cases, aftermarket pistons can be more cost-effective than purchasing a new OEM piston from the dealer.

5. Availability: Aftermarket pistons are often more readily available from various suppliers, allowing for faster turnaround times compared to waiting for an OEM part from the dealer.

1. Potential Quality Variations: Since aftermarket pistons are manufactured by various suppliers, there can be variations in quality and performance. It is essential to choose a reputable supplier to ensure you receive a high-quality product.

2. Warranty: OEM pistons usually come with a manufacturer's warranty, which may not be offered with aftermarket pistons.

3. Installation: Installing aftermarket pistons may require more technical expertise compared to an OEM piston, as you may need to make adjustments to the engine to ensure proper fitment and performance.

4. Incompatibility: Some aftermarket pistons may not be compatible with all engine configurations, so it is essential to verify that the piston you choose is suitable for your specific Ski-Doo Formula 600 model.

When deciding to buy an aftermarket SPI 09-774N standard piston for your Ski-Doo Formula 600 from 1995 to 1999 with a 64.5mm bore size, it is essential to consider both the pros and cons. The potential benefits include enhanced durability, improved power, cost-effectiveness, and availability. However, there are also potential disadvantages such as quality variations, lack of warranty, installation challenges, and compatibility issues. To mitigate these risks, choose a reputable supplier, verify compatibility, and ensure proper installation. Ultimately, the decision to purchase an aftermarket piston depends on your priorities, technical expertise, and budget. If you value OEM quality and warranty, it may be worth paying the extra cost for a new OEM piston from the dealer. If you're looking for a cost-effective and potentially high-performance alternative, an aftermarket piston could be a good choice.

Details:

OEM piston kits. Manufactured by SPI. Piston weight compatible with original piston. Made in Taiwan.

Compatible with Ski-Doo model's below: 1995 Formula III 600. Pistons are for standard bore size 64.50mm. Includes: 3 pistons, ring sets, wrist pins cir clips. 1996 Formula III 600.

All pistons, rings, pins and cir clips are manufactured to OEM specifications.

part #: 09774n prices

• $45.26-$59.95

specifications enginesnowmobile:

• for models: 600, Formula
• for makes: Ski-doo
• for years: 1995-1999
• brand: Spi
• mpn: 09-774n
• part type: Piston
• country of origin: Taiwan

offer enginesnowmobile:

• quantity: 4
• started: November 19, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home

general enginesnowmobile:

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

returns enginesnowmobile:

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

seller enginesnowmobile:

• rating: 99.6%
• # reviews: 395226
• city: Suamico, Wisconsin

shipping enginesnowmobile:

• transit: 2-6 Days
• service: Standard
• class: Standard
• cost: $0.00
• type: Fixed

payments enginesnowmobile:

• other
• credit card: Visa
• wallet: Google-pay

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