010-820-14 WSM Top End

Review WSM Wsm-top End Kit-kawasaki-750 Early-1mm Over

The WSM Top End Kit, part number WSM-010-820-14, is a high-performance upgrade for early model Kawasaki 750cc engines. This top end kit from WSM (World Sport Motorcycles) is specifically designed for the Kawasaki Z1-R, Z750, and GPZ750 motorcycles produced between 1984 and 1987.

This top end kit includes a set of 1mm oversized pistons, rings, and gaskets. The oversized pistons provide increased compression and power output, resulting in better engine performance. These pistons are made from a high-quality forged aluminum alloy, ensuring superior strength and reliability.

The kit also includes a set of rings that match the oversized pistons. These rings are made from a high-tensile steel material, ensuring optimal sealing and longevity. The rings are also designed to withstand the increased heat and pressure generated by the oversized pistons.

The WSM Top End Kit also includes a set of high-performance cylinder head gaskets. These gaskets are made from a specialized material that ensures a perfect seal between the cylinder head and the engine block. This gasket material is designed to withstand the increased temperatures and pressures generated by the oversized pistons.

This top end kit is also compatible with stock and aftermarket camshafts, making it a versatile upgrade for various riding styles and preferences. However, it is important to note that the use of this kit may require adjustments to the engine timing and carburetion settings to ensure optimal performance.

In summary, the WSM Top End Kit, part number WSM-010-820-14, is a high-performance upgrade for early model Kawasaki 750cc engines. This kit includes oversized pistons, rings, and gaskets, designed to increase compression and power output, resulting in better engine performance. This kit is compatible with stock and aftermarket camshafts and is a versatile upgrade for various riding styles and preferences.

The WSM-010-820-14 Top End Kit for early Kawasaki 750cc engines, produced by Wiseco, is an aftermarket performance part designed to improve engine power and efficiency. This kit includes a new top end assembly with a high-performance piston and rings, as well as a high-compression cylinder head. Here are some potential pros and cons of purchasing this product:

1. Increased power: The high-performance piston and rings in this kit are designed to provide better compression and efficiency, leading to increased horsepower and torque.

2. Improved engine performance: The high-compression cylinder head can help improve engine response and overall performance, making the engine more responsive and fun to ride.

3. Enhanced durability: The top end kit is designed to be more durable than the stock parts, which can help reduce engine wear and tear, particularly in high-performance applications.

4. Better fuel efficiency: The improved combustion efficiency of the high-performance piston and cylinder head can lead to better fuel economy, which can be a significant cost savings for riders.

1. Cost: The top end kit is a significant investment, and the cost may be a barrier for some riders, particularly those on a tight budget.

2. Installation complexity: Installing the top end kit can be a complex process, and it may require specialized tools and knowledge. Riders may need to pay for professional installation, which can add to the overall cost.

3. Risk of engine damage: Installing a top end kit involves removing the cylinder head and other critical engine components, which can increase the risk of engine damage if not done correctly.

4. Potential compatibility issues: The top end kit may not be compatible with all Kawasaki 750cc engines, and riders should ensure that their specific engine model is supported before making a purchase.

The WSM-010-820-14 Top End Kit for early Kawasaki 750cc engines is a high-performance aftermarket part that can provide significant power and efficiency gains. However, it is a significant investment with some installation complexity and potential compatibility issues. Riders who are looking to maximize the performance of their Kawasaki 750cc engine and are willing to invest in the kit and the installation process may find that the benefits outweigh the costs. On the other hand, riders on a tight budget or those who are not comfortable with the installation process may want to consider other options. Ultimately, the decision to purchase this kit should be based on an individual's specific needs, budget, and technical abilities.

Details:

Made to exact oem specifications. Top end kit: 010-820-14 1mm over 762cc, 81.00mm bore. Most pistons come in .25mm increments from stock or standard bore up to 1mm oversize. Top end kits include: pistons, rings, wrist pins, cir clips, bearings, head, base, common intake and exhaust gaskets required for rebuilding the top end of motor.

Fits: kawasaki 750 early.

specifications watercraftimp:

• brand: Wsm
• mpn: 010-820-14
• custom bundle: No
• part type: Top End Kit
• upc: 662973254899

offer watercraftimp:

• in stock #: 5
• options: ship-to-home
• started: april 8, 2025
• availability: in stock
• sold #: 23
• prices: $163.36–$214.55
• item condition:
  • New
  • New other (see details)

seller watercraftimp:

• city: yorktown, virginia
• rating: 99.3%
• # reviews: 139643

returns watercraftimp:

• paid by: seller
• policy: returns accepted
• time: 60 days

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

• other
• credit card: discover
• wallet: google-pay

shipping watercraftimp:

• class: standard
• transit: 3-7 days
• service: standard
• type: fixed