010-802-07K WSM Piston Kit

Review WSM Piston Kit 649cc 1.00mm Oversize To 78.00mm Bore

The WSM 010-802-07K piston kit is a high-performance upgrade for 649cc, single-cylinder, air-cooled engines with a piston bore of 1.00mm and a stroke of 78.00mm. This piston kit is designed to deliver improved power, torque, and efficiency, making it an excellent choice for enthusiasts seeking to enhance their engine's performance.

Each piston in this kit is meticulously crafted from forged aluminum alloy, ensuring superior strength and durability. The piston crown is optimized for a better gas flow, allowing for a more efficient combustion process. The piston skirt is designed with a full-skirt design, which reduces the friction between the piston and the cylinder wall, resulting in reduced engine wear and longer engine life.

The piston kit comes with a set of rings, including a compression ring, an oil control ring, and a top ring. These rings are precision-machined from high-quality materials to ensure a perfect seal and optimal engine performance. The compression ring is designed for maximum compression, while the oil control ring helps to prevent oil consumption and blowby.

Additionally, the piston kit includes new piston pins, wrist pins, and clips. These components are made from high-strength steel and are designed to withstand the rigors of high-performance use. The wrist pins are also nitrided for added strength and durability.

This piston kit is a direct replacement for the OEM piston kit and is easy to install. However, it is important to note that installation requires some mechanical skills and experience. It is also recommended to use high-performance engine oil and a suitable two-stroke mix for optimal results.

In summary, the WSM 010-802-07K piston kit is an excellent upgrade for 649cc, single-cylinder, air-cooled engines. It offers improved power, torque, and efficiency, making it an ideal choice for enthusiasts looking to enhance their engine's performance. Each component in the kit is meticulously designed and crafted for superior strength, durability, and optimal engine performance.

Pros and Cons of Buying a WSM 010-802-07K Piston Kit for a 649cc Honda Engine

The WSM 010-802-07K piston kit is designed for Honda engines with a displacement of 649cc and a bore and stroke of 1.00mm x 78.00mm. This piston kit can be an excellent investment for those looking to upgrade their engine performance or rebuild their engine. In this article, we will discuss the pros and cons of buying this piston kit to help you make an informed decision.

1. Enhanced Performance: The WSM piston kit is designed to provide better compression and improved engine performance. The pistons are made of forged aluminum alloy, which offers superior strength and durability.

2. Improved Fuel Efficiency: The pistons' design provides better compression, which can lead to improved fuel efficiency, resulting in cost savings over time.

3. High-Quality Materials: The pistons are made of high-quality materials, ensuring a long lifespan and reliable operation.

4. Easy Installation: The piston kit comes with all the necessary components for a straightforward installation process.

5. Affordable: Compared to other aftermarket piston kits, the WSM 010-802-07K is relatively affordable, making it an accessible option for many Honda engine owners.

1. Potential Need for Additional Parts: Depending on the condition of your engine, you may need to purchase additional parts, such as rings or bearings, to complete the installation.

2. Requires Technical Knowledge: Installing the piston kit requires a certain level of technical knowledge and experience. If you are not confident in your abilities, it may be best to hire a professional to do the job.

3. Risk of Damage: During the installation process, there is a risk of damaging other engine components. Proceed with caution and follow the instructions carefully to minimize this risk.

4. Potential for Engine Noise: After installing the piston kit, some engine noise may be noticeable due to the increased compression. However, this is a normal occurrence and should not be a cause for concern.

The WSM 010-802-07K piston kit offers several advantages, such as enhanced performance, improved fuel efficiency, high-quality materials, easy installation, and affordability. However, it also comes with some disadvantages, such as the potential need for additional parts, the requirement for technical knowledge, the risk of damage during installation, and the possibility of increased engine noise.

If you are confident in your technical abilities and are looking to upgrade your Honda engine's performance, the WSM 010-802-07K piston kit is an excellent investment. However, if you are unsure of your abilities or have limited experience with engine rebuilds, it may be best to consult a professional mechanic before making a purchase. Overall, this piston kit offers a good balance of performance improvements and affordability for Honda engine owners.

Details:

Brand: Wsm, model number: 010-802-07K. Compatibility: years: make: model: notes: 1990 - 1993 yamahawr650 wave runner LX, 1996 yamahawra650 iii, 1993 yamahasj650 super jet, 1991 1995 yamahawrb650 VCR. Parts without fitment are to be assumed universal and may require vehicle modification. Wsm piston kit 649cc - 1.00mm oversize to 78.00mm bore 010-802-07K: bore: 78.00mm, sizing.

This is helpful if you are buying multiple items. I need to exchange an item. Ported to match Wsm banshee sleeves.

specifications watercraftimp:

• brand: Wsm
• mpn: 010-802-07k
• part type: Piston

shipping watercraftimp:

• type: fixed
• transit: 3-6 days
• class: standard
• service: standard

seller watercraftimp:

• rating: 99.5%
• # reviews: 64021
• city: indiana, us

returns watercraftimp:

• paid by: seller
• policy: returns accepted
• time: 30 days

payments watercraftimp:

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

offer watercraftimp:

• prices: $65.00–$74.48
• item condition: New
• sold #: 21
• in stock #: 5
• started: june 15, 2025
• options: ship-to-home
• availability: in stock

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components