fits model: 800ho, Rev. make: Skidoo, Ski-doo. year: 2003–2007.

( Brand: Ski-doo ), ( Manufacturer Part Number: 400-702-633 ), ( Part Type: Motor Block ), ( Country/region Of Manufacture: Canada )
The Skidoo Ptek chassis 800HO motor, specifically model number 400-702-633, is a remarkable piece of engineering designed for high-performance snowmobiles produced by Skidoo between the years 2003 and 2007. This engine is a favorite among outdoor enthusiasts due to its impressive power, efficiency, and unequaled durability in even the most challenging winter conditions.
Engine Overview:The 800HO motor is a compact twin-cylinder, liquid-cooled, four-stroke engine. Its massive 794cc displacement and state-of-the-art fuel injection system deliver an exceptional power output of 129 horsepower. The motor's lightweight design ensures improved handling and quick acceleration, enabling riders to conquer steep hills and vast snowfields with ease.
Key Features:1. Advanced Engine Cooling: The 800HO motor is equipped with a liquid cooling system that efficiently disperses heat, increasing the performance and durability of the engine, especially during prolonged use.
2. Precision-Engineered Combustion: The motor's 4-valve DOHC cylinder head design allows for superior combustion efficiency and reduced emissions, contributing to a more responsive and clean-running engine.
3. Enhanced Power Delivery: This motor benefits from a hybrid E-TEC/carbureted fuel system, which merges the advantages of both fuel injection and carburetion, ensuring smooth power delivery in all conditions.
4. Robust Design: The 800HO motor is crafted using durable materials to withstand the demands of extreme winter conditions. It also features a forged crankshaft, steel liners, and I-beam connecting rods for unmatched strength and longevity.
5. Easy Maintenance: The engine's maintenance-friendly design includes convenient access to essential components for ease of maintenance - even during the winter season.
Conclusion:Skidoo's 2003-2007 Ptek chassis 800HO motor, model number 400-702-633, is an exceptional engine for those seeking an adrenaline-pumping snowmobiling experience. Its impressive power output, advanced features, and resilient construction make it a desirable choice among outdoor enthusiasts. Experience unmatched performance and durability with this legendary sled motor.
Buying a used 2003-2007 Skidoo ski-doo with the 800HO B k PTEK chassis and a 400-702-633 motor can be an excellent investment for snow enthusiasts, depending on individual needs and priorities. Here are some pros and cons to consider before making a purchase.
Pros:1. Reliability: The 800HO engine is known for its durability and power, making it a reliable choice for heavy use and extreme snow conditions.
2. Performance: This motor provides impressive acceleration and top speed, ensuring a thrilling riding experience.
3. Versatility: The PTEK chassis is designed to accommodate various bodies, making it suitable for different rider preferences and styles.
4. Aftermarket Support: Due to its popularity, the 400-702-633 motor and PTEK chassis have a vast aftermarket for upgrades, parts, and accessories.
5. Affordability: Buyers can find significant savings by purchasing a used model compared to a new one.
Cons:1. Age: While these machines offer excellent performance, they are relatively old and may require additional maintenance and repairs due to their age.
2. Potential Issues: Used sleds may have hidden problems that are not easily detectable without a thorough inspection by a professional mechanic.
3. Missing Parts: Some components might be missing or worn out, necessitating additional costs for replacement.
4. Comfort: Older sleds might lack modern comfort features such as heated grips, seat, and other amenities that have become standard in newer models.
Conclusion:A used 2003-2007 Skidoo ski-doo with the 800HO motor and the PTEK chassis can provide an exceptional riding experience with power, reliability, and versatility. However, potential buyers should be aware of the age-related issues and consider the costs for maintenance, repairs, and additional parts that may be required to keep the sled in good working condition. Newer models may offer modern comforts and advanced features, but the older Skidoo could be a more affordable option for those prioritizing trail capability and power. Ultimately, buyers should thoroughly inspect the sled and consider their preferences and riding style before making a purchasing decision.
Recommendation:Upon deciding to proceed with the purchase of a used 2003-2007 Skidoo, ensure that the seller provides a detailed maintenance history and offers an inspection by a professional mechanic prior to the sale. This proactive approach can help identify any potential issues and provide buyers with peace of mind when making their purchase.
Included with the motor at time of purchase 2 Gk plugs, 2 exhaust manifold gaskets, 2 reed gaskets. For sale is one Ski Doo 800HO power tek fully remanufactured long block miles. Note this 800HO power tek long block will fit the SkiDoo Rev chassis only and is completely remanufactured.
Then install and your finished. To include new rave vales and rave valve springs.