WISECO 9317-W231212-ATV Piston Kit Comp Se 74.00MM 10.5

( Brand: Wiseco ), ( Manufacturer Part Number: 9317-W231212-ATV ), ( Part Type: Piston )

Review WISECO Piston Kit std Bore 74.00mm 10.5 Comp For Yamaha Se fits RAPTOR YFM250 STD 2008

The WiseCo 9317-W231212-ATV piston kit is specifically designed for the 2008 Yamaha YFM250 Raptor SE all-terrain vehicle. This piston kit is a standard replacement part, featuring a piston diameter of 74.00mm and a compression ratio of 10.5:1.

The piston is engineered from high-quality forged aluminum, ensuring durability and reliability even in the most demanding off-road conditions. The piston skirt is designed to minimize friction and wear, while the piston crown is optimized for efficient combustion and power output.

The piston kit also includes a piston ring set, consisting of a compression ring, an oil control ring, and a top ring. These rings are precision-manufactured to ensure a proper seal and optimal engine performance. The piston rings are made from a high-temperature, low-friction material that ensures long-lasting performance.

The piston kit is designed to be a direct replacement for the original equipment manufacturer (OEM) part, making installation easy and straightforward. The piston and piston rings are precision-machined to ensure a perfect fit, eliminating the need for any additional modifications or adjustments.

This piston kit is an excellent choice for riders who want to maintain the performance and reliability of their Yamaha YFM250 Raptor SE ATV. It is also a cost-effective alternative to OEM replacement parts, providing excellent value for money.

In summary, the WiseCo 9317-W231212-ATV piston kit is a high-quality, direct replacement part for the 2008 Yamaha YFM250 Raptor SE ATV. It features a piston diameter of 74.00mm and a compression ratio of 10.5:1, and includes a piston ring set for a perfect seal and optimal engine performance. The piston is engineered from high-quality forged aluminum, ensuring durability and reliability even in the most demanding off-road conditions.

Wiseco 9317-W231212-ATV Piston Kit for 2008 Yamaha YFM250 Raptor SE: A Comprehensive Analysis

The Wiseco 9317-W231212-ATV Piston Kit is designed for the 2008 Yamaha YFM250 Raptor SE. This kit comes with standard 74.00mm 10.5:1 compression pistons. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston kit for your Yamaha Raptor SE.

1. Enhanced Performance: The Wiseco piston kit is designed to improve engine performance. With higher compression ratio, the engine will burn fuel more efficiently, resulting in increased power output.

2. Durability: Wiseco pistons are known for their durability. They are made from high-quality materials and are engineered to withstand the rigors of off-road riding.

3. Cooling: The piston kit includes a new piston cooling fin design that helps maintain optimal engine temperature, which can lead to improved performance and longer engine life.

4. Compatibility: The piston kit is specifically designed for the 2008 Yamaha YFM250 Raptor SE, ensuring a perfect fit and function.

1. Cost: The Wiseco piston kit is more expensive than stock OEM pistons. Considering the cost, it might be a significant investment for some riders.

2. Installation: Installing the piston kit requires a fair amount of mechanical knowledge and skills. If you're not comfortable doing the installation yourself, you may need to pay for professional installation, which adds to the overall cost.

3. Potential Power Increase: While the improved compression ratio can lead to increased power output, it may also require adjustments to the jetting and ignition timing to ensure proper engine operation.

The Wiseco 9317-W231212-ATV Piston Kit for the 2008 Yamaha YFM250 Raptor SE offers several benefits, including enhanced performance, durability, and cooling. However, it comes with a higher cost and the need for professional installation. If you're looking to maximize the performance of your Yamaha Raptor SE and are willing to invest in a high-quality piston kit, this might be an excellent choice for you.

If you're an experienced rider with a good understanding of engine mechanics and are looking for a significant power increase, the Wiseco 9317-W231212-ATV Piston Kit is an excellent choice. However, if you're a beginner or a casual rider, you might want to consider the cost and the potential complexity of the installation process before making a decision. In this case, you may want to stick with OEM pistons or consider other upgrades that are more accessible for your skill level.

Details:

All Wiseco pistons and components are optimized for your vehicle to get the most value money. S688 - Piston Pin 17 x 42mm Non Chromed TW. This is helpful if you are buying multiple items. STANDARD and OVERSIZES are not indicated.

Parts without fitment are to be assumed universal and may require vehicle modification. CW17 - ROUND WIRE PIN LOCKS 17MM PAIR. CONTENTS:2913XA - 74.00mm Ring Set. Skirt Coating: Molly.

Wiseco wide range of oversize pistons increase the life cast iron lined cylinders. I need to exchange an item. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation. Wiseco Piston Kit-Std Bore 74.00mm, 10.5:1 Comp for 2008 Yamaha YFM250 Raptor SE: All Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.

part #: 9317w231212 prices

• $159.99-$243.95

specifications pistondon:

• for models: Yfm250, Std, Raptor
• for makes: Yamaha
• for years: 2008
• brand: Wiseco
• mpn: 9317-w231212-atv
• part type: Piston

general pistondon:

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

returns pistondon:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

payments pistondon:

• credit card: Discover
• other
• wallet: Paypal

offer pistondon:

• started: December 12, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 2

seller pistondon:

• # reviews: 71994
• rating: 99.8%
• city: Boise, ID

shipping pistondon:

• cost: $0.00
• class: Standard
• transit: 3-6 Days
• type: Fixed
• service: Standard

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