fits model: Xp, Mxz, 800, Summit. make: Skidoo, Ski-doo. year: 2012.

( Brand: Ski-doo ), ( Manufacturer Part Number: 421000700 ), ( Part Type: Engine Motor )
Introducing the Ski-Doo 800 ETEC engine, model number 421000700, the heart of the Summit MXZ 720 XP snowmachine. this powerhouse engine is part of Ski-Doo's E-TEC line, known for their superior efficiency and power.
The 800 ETEC engine is a twin-cylinder, liquid-cooled, four-stroke, compact engine that delivers impressive power and torque for exceptional performance on the snow. With an output of 800 cc, this engine generates ample power for trail riding, mountain climbing, or any other snow adventures.
One of the most notable features of the 800 ETEC engine is its efficient and advanced electronic fuel injection system. This technology allows for precise fuel delivery, ensuring optimal engine performance and excellent cold weather starting capabilities. it delivers clean combustion for reduced emissions and lower fuel consumption.
Moreover, the 800 ETEC engine is designed for ease of use and maintenance. Its compact design not only provides excellent power-to-weight ratio, but also simplifies maintenance tasks. It features easy-access components, a long-lasting driveline, and a simplified cooling system to reduce the time and effort needed for routine maintenance.
This engine is also designed for reliability and durability. It utilizes high-quality materials and manufacturing techniques to ensure long-lasting performance in even the most extreme snow conditions. It also features a robust cooling system, including a heavy-duty radiator and a thermostat, to ensure optimal engine temperature and reliability.
In summary, the Ski-Doo 800 ETEC engine, model number 421000700, is a powerful, efficient, and reliable choice for snowmachine enthusiasts. With its advanced technology, compact design, and ease of maintenance, it provides the power and performance needed for any snow adventure while reducing fuel consumption and emissions. The 800 ETEC engine sets the standard for snowmobile engines and is an excellent choice for those looking for a high-performance, dependable engine to power their Summit MXZ 720 XP snowmachine.
* Pro: The 720 XP engine delivers impressive power, making it suitable for those seeking a high-performance snowmobile.
* Con: This engine is heavier and more powerful than some other engines, which may increase operating costs due to increased fuel consumption and maintenance needs.
2. **Reliability:*** Pro: Skidoo is a reputable brand known for manufacturing robust and durable snowmobiles. The 2012 model of the 800 ETEC engine is expected to have undergone extensive testing and modifications, enhancing its reliability.
* Con: Like any other machine, this snowmobile may encounter occasional maintenance issues, especially when used heavily or in extreme weather conditions.
3. **Versatility:*** Pro: The MXZ Summit model is a versatile snowmobile, featuring adjustable suspension, ample storage space, and centered skis, ideal for various terrains and riding styles.
* Con: Its advanced features and capabilities may not be necessary for casual or beginner riders, making it an expensive option for lesser-used needs.
4. **Comfort and Convenience:*** Pro: The Summit model boasts advanced features such as heated seats and a quick-adjust windshield, ensuring a comfortable riding experience, even in harsh conditions.
* Con: These advanced features add to the snowmobile's overall cost, making it a more expensive option compared to basic models.
5. **Resale Value:*** Pro: Skidoo is a reliable brand, and high-performance models are known to hold their value reasonably well in the secondary market.
* Con: The 720 XP engine's advanced features and higher price tag may limit its resale value compared to more basic models.
Conclusion:The 2012 Skidoo 800 ETEC Engine 720 XP Summit MXZ is an excellent choice for those in search of a high-performance, versatile snowmobile with advanced features. Its reliability and next-level comfort are significant advantages. However, its cost, fuel consumption, and maintenance needs may be deterrents for some individuals. If you are a beginner rider or seeking a less expensive option, it may be best to explore other snowmobile models.
Recommendation:Consider your needs, snowmobiling experience, and budget before deciding to buy a 2012 Skidoo 800 ETEC Engine 720 XP Summit MXZ. If the advanced features and high-performance capabilities align with your preferences and budget, then it could be a great addition to your snowmobiling adventures. Otherwise, consider alternative models with similar but less advanced features that may better suit your needs.
Rave exhaust valve assembly. The motor looks good inside and out, no signs of abuse or hard running. The Reed cages are in nice shape, Boot rubber is still mint. Good reeds and intake boots.
You get a low mile sled and to Skip the build process, drop it in today be riding couple hours. This is a really nice low mile setup. Stater and flywheel assembly. Complete short block with only 720 miles.
3 of 4 motor mounts. Setup included in this sale. The engine was not hit or affected. The compression is 162 Psi mag and 163 psi PTO.
Unfortunately the sled was wrecked enough to be totaled at only 720 miles. Injectors, pictured hoses, sensors, Etc. Throttle bodies with taps sensor. Throttle bodies are very clean.
Even the exhaust y pipe gaskets are still fresh looking. By hand with it loose. Recoil pull start with handle/holder.