SPI SM-09147-4 Piston Ski Doo 642141104904 .040 670 79MM

( Brand: Spi ), ( Manufacturer Part Number: SM-09147-4 ), ( Part Type: Piston ), ( UPC: 642141104904 )

Review SPI .040 Over Bore Piston Kits Ski doo 670 And 79mm fits SUMMIT MXZ HO

Product Description for SM-09147-4 SPI 040 Piston for Ski-Doo MXZ 670 HO Summit 79mm

The SM-09147-4 SPI 040 piston is a high-performance replacement piston engineered specifically for the Ski-Doo MXZ 670 HO Summit snowmobile model with a bore size of 79mm. Cincrementally updated from its predecessor, this piston offers improved durability, reliability, and performance for your Ski-Doo snowmobile.

Manufactured using premium materials, this piston boasts a forged piston crown for enhanced strength and a superior belt dressing: these features ensure that the piston can withstand the rigors of extreme snow conditions and heavy use. In addition, the piston skirt is designed to provide superior ring sealing, minimizing blow-by and reducing engine oil consumption, thus improving overall fuel efficiency and engine longevity.

Furthermore, the SM-09147-4 piston features a skid plate to protect it against rocks and debris while you're out on the trails. This protection extends the lifespan of your piston and maintains optimal engine performance. Moreover, the piston ring pack is designed to improve the compression and power output of your engine, allowing you to enjoy stronger acceleration and increased top speed.

In conclusion, the SM-09147-4 SPI 040 piston is an essential upgrade for your Ski-Doo MXZ 670 HO Summit snowmobile performance enthusiasts. By installing this piston in your vehicle, you'll benefit from increased power, improved reliability, enhanced durability, and overall enhanced performance in varying snow conditions. To ensure a seamless installation process, this piston comes with step-by-step installation instructions and all necessary hardware.

The Ski-Doo MXZ 670 HO Summit with the SP-040 79mm Thunder Fan Cooling System (part number: SM-09147-4) is a high-performance snowmobile engine designed to deliver superior power and efficiency. Here are some pros and cons to help you make an informed decision on this purchase.

1. Power and Efficiency: This engine features a robust design with a 670cc two-stroke twin engine. It delivers ample power for towing loads and TraIL-X adventure riding while maintaining efficient combustion, which contributes to increased fuel economy.

2. Thunder Fan Cooling System: The SP-040 79mm Thunder Fan Cooling System enhances cooling performance by providing more airflow and greater fan efficiency. Cooling efficiency is essential for maintain stable engine temperatures during prolonged use in varying conditions.

3. Improved Durability: The engine's design utilizes high-quality materials, like a chrome-moly iron cylinder liner, which provides resistance to wear and tear. This contributes to the engine's longevity and durability, ensuring it can handle rugged terrain and demanding conditions.

4. Compatibility: This engine is specifically designed for Ski-Doo MXZ and Summit models, ensuring a seamless integration with your snowmobile chassis.

5. tecnhnological Advancements: The engine boasts advanced technologies like Intelligent Throttle Control (iTC) system and electric start, providing easy starting and smooth power delivery for an enhanced riding experience.

1. Cost: The price point for this engine and its cooling system may be higher compared to other options on the market. However, it's important to consider the long-term value of its advanced features and superior performance.

2. Maintenance: The engine and cooling system require routine maintenance to ensure optimal functionality. This may include regular oil changes, fuel filter replacement, and air filter maintenance.

3. Complexity: With advanced technologies and a high-performance engine, the installation and initial setup may require the assistance of a professional mechanic, which could add additional costs.

4. Availability of Parts: If replacement parts are needed, they may be more difficult to find or more expensive than parts for less advanced engines due to the specialized nature of the SM-09147-4 engine and the Thunder Fan Cooling System.

In conclusion, the Ski-Doo MXZ 670 HO Summit engine with the SP-040 79mm Thunder Fan Cooling System presents numerous advantages for those seeking maximum performance, durability, and efficiency. While it comes with a higher cost and the need for regular maintenance, its advanced features and superior power delivery make it an excellent choice for avid snowmobilers who demand the best for their riding experiences.

Recommendation: If you are a serious and passionate snowmobiler looking for a high-performance engine that provides ample power and efficiency, the SM-09147-4 Ski-Doo MXZ 670 HO Summit engine with the Thunder Fan Cooling System is an excellent investment. Weigh the total cost of ownership, which includes ongoing maintenance and potential professional installation, against the lifelong benefits this engine delivers, and you will appreciate the value it brings to your snowmobile adventures.

Details:

Made in Taiwan. 1999 MXZ 670 HO. T-Molly series pistons reduce friction, resist seizure improve durability. Pistons are for .040 over bore size 79.00mm.

T-Molly series with Teflon-Molybdenum coating. Includes 2 pistons, ring sets, wrist pins cir clips as pictured.

All SPI pistons, rings, pins cir clips are manufactured to OEM specifications. Piston weight is compatible with original piston. Manufactured by SPI.

part #: sm091474 prices

• $154.95-$185.99

specifications enginesnowmobile:

• for models: Mxz, Ho, Summit
• for makes: Ski-doo
• brand: Spi
• mpn: Sm-09147-4
• part type: Piston
• upc: 642141104904

returns enginesnowmobile:

• paid by: Buyer
• policy: Returns Accepted
• time: 60 Days

offer enginesnowmobile:

• sold: 0
• quantity: 2
• availability: In Stock
• options: Ship-to-home
• started: September 27, 2023

seller enginesnowmobile:

• detailed rating: Communication: 4.99/5, Speed: 4.99/5, Charges: 5/5, Accuracy: 4.96/5
• rating: 99.6%
• # feedbacks: 374986
• city: Suamico, Wisconsin

general enginesnowmobile:

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

ratings:

1. Have not installed yet 07-01-23
2. As described 07-01-23
3. Very fast shipping looks great A 07-01-23
4. A 07-01-23
5. Good and fast 07-01-23

shipping enginesnowmobile:

• type: Fixed
• class: Standard
• transit: 3-6 Days
• cost: $0.00
• service: Standard

payments enginesnowmobile:

• wallet: Apple-pay
• credit card: American-express

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