WISECO 232P8 Piston 232PS .50

( Brand: Wiseco ), ( Manufacturer Part Number: 232P8 ), ( Machine Type: Dual Sport Motorcycle, Off-road Motorcycle ), ( Items Included: Piston Circlips ), ( Piston Diameter: 3.347 Inches ), ( Material: Aluminum Alloy ), ( Vintage Part: Yes ), ( Engine Type: 2-stroke ), ( Type: Piston And Circlips ), ( Country Of Origin: United States )

Review WISECO Vintage Yamaha Piston .50 Over fits DT400 MX 400 1975–1978

Introducing the WISCO 232P8 piston, an ideal replacement for the original piston in Yamaha DT400 motorcycles manufactured between 1975 and 1978 with the 232PS engine. This high-performance piston is designed to deliver superior power and efficiency, enhancing your riding experience.

The WISCO 232P8 piston is engineered using the finest materials and advanced manufacturing techniques. The piston crown is made from forged aluminum alloy, ensuring exceptional strength and durability. The skirt is designed with a full-length, ribbed structure that minimizes piston-to-cylinder friction, reducing wear and tear and ensuring a smooth engine operation.

The piston features a compression height of 30.2mm and a total height of 50mm, making it a direct fit for the DT400 models mentioned above. The piston ring grooves are precision machined to accommodate standard piston rings, ensuring a proper seal and optimal engine performance.

This piston is designed with a honing finish on the piston skirt, allowing for easy ring installation and ensuring a proper seal between the piston and cylinder. The piston also includes a gudgeon pin boss with a diameter of 18mm, ensuring a secure fit and proper alignment of the connecting rod.

The WISCO 232P8 piston is designed to meet or exceed OEM specifications, providing you with the confidence and reliability you need for your motorcycle. It is also backed by WISCO's commitment to quality and customer satisfaction, ensuring that you receive a product that meets your expectations.

Installing the WISCO 232P8 piston is a straightforward process, and it is recommended that you follow the instructions provided in your DT400 service manual for best results. With proper installation and maintenance, this piston is designed to provide you with many miles of enjoyable riding.

In summary, the WISCO 232P8 piston is a high-quality replacement for the original piston in Yamaha DT400 motorcycles manufactured between 1975 and 1978 with the 232PS engine. It is engineered for superior strength, durability, and performance, making it an excellent choice for riders who demand the best from their motorcycle.

Wiseco 232P8 for Yamaha DT400 (1975-1978): A Wise Upgrade?

The Wiseco 232P8 piston is a popular aftermarket option for the Yamaha DT400 motorcycles manufactured between 1975 and 1978. This piston offers several potential advantages and disadvantages, which are discussed below.

1. Enhanced Performance: The Wiseco piston is designed with a higher compression ratio, which can lead to improved engine performance and power output. This can make your DT400 feel more responsive and lively.

2. Durability: Wiseco pistons are known for their superior quality and durability. The 232P8 piston, in particular, is engineered to withstand the rigors of off-road riding, ensuring longer lifespan and fewer repairs.

3. Customizability: The Wiseco piston is available in various sizes and specifications, allowing riders to tailor the performance of their DT400 to their specific needs and preferences.

4. Better Ring Sealing: The Wiseco piston features a unique design that improves ring sealing, resulting in better compression and reduced oil consumption.

1. Cost: The Wiseco piston is generally more expensive than OEM (original equipment manufacturer) pistons. This may not be an issue for serious riders who prioritize performance, but it can be a deterrent for those on a tighter budget.

2. Installation Complexity: Installing the Wiseco piston may require specialized tools and expertise, which can add to the overall cost and time investment.

3. Potential Power Increase: While the enhanced performance can be advantageous, it may also lead to increased power that some riders may not be prepared for. This could potentially result in a less stable or less controllable motorcycle.

Ultimately, whether or not the Wiseco 232P8 piston is a wise investment for your Yamaha DT400 depends on your individual priorities and riding style. If you're an avid off-road rider who values performance and durability, the Wiseco piston may be a worthwhile upgrade. However, if you're on a budget or prefer a more stable and controllable motorcycle, the additional cost and complexity may not be justified.

If you're considering the Wiseco 232P8 piston for your Yamaha DT400, we recommend thoroughly evaluating your riding needs and preferences, as well as your budget and mechanical capabilities, before making a decision. Consulting with a professional mechanic or experienced DT400 owner could also provide valuable insights into the benefits and challenges of this upgrade.

Details:

It comes with pin, bearing,piston, one clip, and used rings. It is a Wiseco piston at 85.50. The last picture shows new rings that are available for this if needed. This piston came off of a 1975 Yamaha DT 400.

This should fit 1975 to 78 Yamaha DT 400 and MX. New gangs did not come with it.

part #: 232p8 prices

• $14.99-$59.95

specifications pistondon:

• for models: Dt400, Mx, 400
• for makes: Yamaha
• for years: 1975-1978
• brand: Wiseco
• mpn: 232p8
• machine type: Dual Sport Motorcycle, Off-road Motorcycle
• items included: Piston Circlips
• piston diameter: 3.347 Inches
• material: Aluminum Alloy
• vintage part: Yes
• engine type: 2-stroke
• type: Piston And Circlips
• country of origin: United States

returns pistondon:

• policy: No Returns

seller pistondon:

• # reviews: 3190
• rating: 100.0%
• city: Granite City, Illinois

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: Used

offer pistondon:

• best offers: True
• sold: 0
• started: December 14, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 1

payments pistondon:

• wallet: Paypal
• credit card: Discover
• other

shipping pistondon:

• type: Fixed
• service: USPS Ground Advantage
• cost: $8.50
• transit: 12-12 Days
• carrier: USPS
• class: Standard

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