SPI 09-7734-710197-09524 Top End Repair Kit Ski Doo .040 670 79MM

( Brand: Spi ), ( Manufacturer Part Number: 09-7734-710197-09524 ), ( Country Of Origin: Taiwan )

Review SPI .040 Over Bore Top End Repair Kit Ski doo 670 Model's 79mm fits 1993–1994

Introducing the SPI 09-7734-710197-09524 040 Top End Repair Kit, specifically designed for Ski-Doo 670 models manufactured between 1993 and 1994 with a 79mm bore size. This comprehensive repair kit contains all the necessary components to effectively address common top end issues, ensuring optimal engine performance for your Ski-Doo snowmobile.

The kit includes a high-quality, pre-machined cylinder liner that fits perfectly into your engine's cylinder bore. Designed with precision, the liner ensures a tight seal, minimizing gas leakage and enhancing overall engine efficiency. Additionally, it is engineered from a durable material to withstand the rigors of snowmobiling, offering long-lasting durability.

Furthermore, this repair kit includes a set of new piston rings. These rings are designed to seal the gap between the piston and cylinder wall, preventing combustion gases from escaping and maintaining optimal compression. The piston rings are manufactured from a high-temperature, wear-resistant material, ensuring they perform effectively even under the extreme conditions of snowmobiling.

Moreover, the kit includes a new set of piston pins. These pins securely hold the piston in place within the cylinder and are designed to minimize friction for smooth engine operation. Made from a strong, heat-resistant material, these piston pins offer excellent durability and reliability.

Additionally, this repair kit includes a new set of gudgesons and bushings. These components are essential for the proper alignment and movement of the connecting rods, ensuring smooth engine operation. The gudgesons and bushings are manufactured from high-quality materials, offering excellent wear resistance and long-lasting performance.

Lastly, the SPI 09-7734-710197-09524 040 Top End Repair Kit also includes a crankshaft position sensor gasket. This gasket seals the connection between the engine and the crankshaft position sensor, preventing any leaks and ensuring accurate engine position sensing for proper ignition timing.

In conclusion, the SPI 09-7734-710197-09524 040 Top End Repair Kit is an essential tool for Ski-Doo 670 owners with 1993-1994 models and a 79mm bore size. This comprehensive kit includes all the necessary components to effectively address common top end issues, ensuring optimal engine performance and longevity for your snowmobile.

Top End Repair Kit for Ski-Doo 670 (SPI 09-7734-710197-09524 040) - Pros, Cons, and Conclusion

The SPI 09-7734-710197-09524 040 top end repair kit is specifically designed for Ski-Doo 670 models from 1993 to 1994 with a 79mm bore size. In this analysis, we will discuss the advantages and disadvantages of purchasing this repair kit, followed by a conclusion and recommendation.

1. Comprehensive: This kit includes all the necessary components for a top end rebuild, such as pistons, rings, gaskets, and seals.

2. OEM Quality: The kit consists of Original Equipment Manufacturer (OEM) parts, ensuring a perfect fit and reliable performance.

3. Time-Saving: Purchasing a complete kit reduces the time and effort required to search for individual parts.

4. Cost-Effective: Buying a kit can save money in the long run, as it eliminates the need to purchase each component separately.

1. Cost: The kit may be more expensive than purchasing individual components separately, especially for those who only need one or two parts.

2. Skill Level: A top end rebuild is a complex process that requires a certain level of mechanical expertise.

3. Availability: The kit might not be readily available at local dealerships or retail stores, necessitating an online purchase.

The SPI 09-7734-710197-09524 040 top end repair kit for Ski-Doo 670 models is an excellent choice for those who need to perform a comprehensive top end rebuild on their snowmobiles. The kit's OEM quality, time-saving benefits, and cost-effectiveness make it a worthwhile investment for enthusiasts and professionals alike. However, it is essential to consider the potential cost and skill level requirements before making a purchase.

If you are in need of a top end rebuild for your Ski-Doo 670 (1993-1994) with a 79mm bore size, the SPI 09-7734-710197-09524 040 repair kit is a solid option. Its comprehensive nature, OEM quality parts, and potential cost savings make it an attractive choice for those seeking a reliable and efficient solution. However, it is crucial to ensure you have the necessary mechanical skills and resources before embarking on this project. If you are uncertain about your abilities, it might be wise to consult a professional mechanic or authorized Ski-Doo dealer for assistance.

Details:

Manufactured by SPI. Made in Taiwan. T-Molly series pistons reduce friction, resist seizure improve durability. 1993 Formula Mach 1 670 2.

T-Molly series with Teflon-Molybdenum coating. Compatible with Ski-Doo model's below: 1993 Formula Mach 1 670. Piston weight is compatible with original piston. Includes 2 pistons, ring sets, wrist pins, cir clips, top bearings and end gasket kit.

Pistons are for .040 over bore size 79.00mm. All SPI pistons, rings, pins cir clips are manufactured to OEM specifications. Top end gasket kit contains all gaskets pictured to rebuild top oil seals not included.

part #: 09773471019709524 prices

• $199.95-$399.99

specifications enginesnowmobile:

• for makes: Ski-doo
• for years: 1993-1994
• brand: Spi
• mpn: 09-7734-710197-09524
• country of origin: Taiwan

offer enginesnowmobile:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: November 29, 2025

returns enginesnowmobile:

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

shipping enginesnowmobile:

• class: Standard
• type: Fixed
• transit: 4-9 Days
• cost: $0.00
• service: Standard

payments enginesnowmobile:

• credit card: Mastercard
• other
• wallet: Paypal

seller enginesnowmobile:

• rating: 99.7%
• # reviews: 396158
• city: Suamico, Wisconsin

general enginesnowmobile:

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

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