fits model: Mxz, Ho, Std, 700, Summit. make: Ski-doo. year: 1998–1999.

( Brand: Wiseco ), ( Manufacturer Part Number: SK1311 ), ( Part Type: Piston )
If you are in search of an upgrade for your 1999 Ski-Doo snowmobile with a 670 engine, look no further than this 78mm MXZ kit piston from WISCO. This piston is specifically designed for the Standard Summit SK1311 model and is a direct replacement for the factory piston.
The WISCO 78mm MXZ piston is engineered to deliver enhanced performance and durability. It is manufactured with advanced techniques and high-quality materials to ensure superior strength and resistance to wear and tear. The piston features a larger 78mm bore size, which allows for increased combustion chamber volume, resulting in more power output and improved efficiency.
Additionally, the piston incorporates an optimized dome shape and a cutting-edge coating. The dome shape helps to improve the engine's compression ratio, while the coating enhances the piston's surface finish, leading to reduced friction and improved heat transfer. The result is a more responsive engine with better power delivery and increased durability.
This WISCO piston is also designed with compatibility in mind. It is engineered to fit seamlessly into your 1998 Ski-Doo 670 engine, making for a straightforward installation process. The piston comes complete with all necessary hardware, making it easy to swap out the old piston for a new, upgraded one.
In summary, the WISCO 78mm MXZ piston is a high-performance upgrade for your 1999 Ski-Doo 670 snowmobile engine. It delivers increased power output, improved efficiency, and enhanced durability. The piston is designed for easy installation and compatibility with the Standard Summit SK1311 model, making it a must-have for anyone looking to get the most out of their snowmobile.
The Wiseco 1999 Ski-Doo 670 kit piston (78 mm x 0mm for MXZ HO Summit 1998-1999, standard) can be a valuable upgrade for your snowmobile engine. Here are some pros and cons to help you decide:
Pros:1. High-performance: Wiseco pistons are known for their superior strength and durability, allowing for increased power and performance.
2. Lightweight: Lighter pistons reduce reciprocating weight, which can improve engine response and efficiency.
3. Enhanced power: The 78 mm bore size increases the engine's displacement, subsequently leading to increased power output.
4. Better piston ring seal: Wiseco pistons often come with better piston ring designs, which improve seal and reduce blow-by, leading to better efficiency and longer engine life.
5. Engine reliability: High-quality pistons from a reputable manufacturer such as Wiseco can help improve overall engine reliability and longevity.
Cons:1. Cost: Wiseco pistons can be more expensive than stock OEM parts, which might deter some buyers on a budget.
2. Installation complexity: Installing aftermarket pistons can be a challenging process, requiring specialized knowledge and tools. It is recommended to use the services of a professional mechanic for this job.
3. Part compatibility: Ensuring the correct part fitment for your specific snowmobile model is crucial. Make sure that you have the proper piston pin, wrist pin, and ring set, or consult with the seller or a professional mechanic.
4. Potential increase in noise: As high-performance parts, aftermarket pistons might increase engine noise levels compared to stock OEM parts.
5. Custom needs: For those using their snowmobiles for specific applications, such as racing, the Wiseco piston kit might be an essential upgrade. However, it may not be necessary for the average recreational user.
In conclusion, investing in a Wiseco 1999 Ski-Doo 670 kit piston (78 mm x 0mm, for MXZ HO Summit 1998-1999, standard) can yield several benefits, including increased power and performance, improved reliability, and better efficiency. However, it's essential to weigh these advantages against the cons, such as cost, complexity, and potential noise increase. Ultimately, the decision to purchase this piston kit depends on the user's goals, expectations, and resources.
If you are a recreational user who wants a reliable and efficient machine without any significant power enhancements, you may be better off sticking with the stock pistons. However, if you are a performance-oriented user or prefer a more powerful snowmobile, the Wiseco piston kit could be a wise investment for you. Make sure to consult your mechanic or an experienced expert to ensure proper installation and compatibility with your snowmobile model.
00mm bore actual 78.
Wiseco piston kit Std bore 78. 00mm cylinders 2 material forged fits on ski doo 670.
00mm bore oversize Std stroke 70.