J.E. PISTONS 247942 Je Piston 98MM 3MM 13.0 WR450F/YZ450F

( Brand: J.e. Pistons ), ( Manufacturer Part Number: 247942 ), ( Part Type: Piston ), ( Warranty Details: See Manufacturer )

Review J.E. PISTONS Je Piston 98mm 3mm 13.0 #247942 For Yamaha Wr450f/yz450f fits WR450F YZ450F

Introducing the JE Pistons 247942, a high-performance piston specifically designed for the Yamaha WR450F and YZ450F models. With a bore size of 98mm and a compression height of 3mm, this piston caters to the needs of riders seeking enhanced power and efficiency for their off-road motorcycles.

The JE Pistons 247942 is manufactured using JE's proprietary forging process, ensuring superior strength and durability. The piston crown is engineered with a dish design that optimizes combustion pressure for increased power output. The skirt of the piston is designed with a full-length, split ring oil control ring system that effectively prevents engine oil from entering the combustion chamber, ensuring a cleaner burn and improved engine performance.

The piston also features a low-friction, nickel-plated skirt that reduces friction between the piston and the cylinder wall, resulting in smoother engine operation and improved fuel efficiency. The piston's top ring groove is designed to accommodate a high-performance, aftermarket top ring for improved sealing and power transfer.

Additionally, this piston comes with a lightweight, forged steel wrist pin and a high-performance, forged aluminum connecting rod. The wrist pin is designed with a full-floating, two-piece design that reduces friction and improves engine efficiency. The connecting rod is engineered with a precision-balanced design, ensuring smooth power transfer and reduced vibration.

This JE Pistons 247942 is ideal for riders who demand the best from their off-road motorcycles. With its superior strength, enhanced power output, and improved fuel efficiency, this piston is a must-have for those who want to take their Yamaha WR450F or YZ450F to the next level.

The piston is compatible with Yamaha WR450F and YZ450F models and is recommended for use with high-performance engines and aftermarket performance parts. It is important to note that the use of this high-performance piston may require additional engine modifications and tuning to ensure optimal performance and engine longevity.

The JE Pistons 247942, a 98mm, 3mm, 13.0 piston designed for Yamaha WR450F and YZ450F, is a popular aftermarket option among motorcycle enthusiasts. This piston offers several benefits, but it also comes with some potential drawbacks. Let's examine the pros and cons.

1. Enhanced Power: JE Pistons are known for their high-performance designs. This piston may help increase power and torque by optimizing combustion efficiency and reducing friction.

2. Durability: JE Pistons are made using advanced forging techniques and high-quality materials, ensuring better durability and reliability than OEM pistons.

3. Customizability: Aftermarket pistons like the JE Pistons 247942 offer more customization options, allowing riders to fine-tune their engines to suit their specific riding styles and preferences.

1. Cost: Aftermarket pistons like the JE Pistons 247942 can be more expensive than their OEM counterparts. Additionally, the cost of installation can add to the overall expense.

2. Complex Installation: Installing aftermarket pistons requires specialized tools and knowledge, making it a more time-consuming and complex process than swapping out an OEM piston.

3. Potential Engine Tuning: Installing a high-performance piston like the JE Pistons 247942 may require additional engine tuning to ensure optimal performance and prevent potential engine issues.

In conclusion, the JE Pistons 247942 offers several advantages, including enhanced power, durability, and customizability. However, it also comes with potential drawbacks such as cost, complex installation, and potential engine tuning requirements.

If you're an experienced motorcycle enthusiast looking for improved performance and durability, and you're willing to invest the time and resources into the installation process, the JE Pistons 247942 may be a worthwhile investment. However, if you're new to motorcycle customization or have limited experience working on your bike, it may be better to stick with OEM parts for now. Ultimately, the decision to purchase this aftermarket piston depends on your individual preferences, riding style, and level of experience.

Details:

Precision CNC machined ring grooves. NOTE: Fits 2mm oversize valves. Yamaha WR450F 2005 -2015. Forged Side Relief FSR skirt style.

Machined from 2618 T6 high tensile forged aluminum. Piston Pin Fit. Pins, pin fitment, lock and rings included. Country of Origin.

Made in the USA. JE Piston 98mm 3mm 13.0:1 #247942 for Yamaha WR450F/YZ450F: Works with valves up to 2mm larger than stock. Machined oil drain back holes engineered for specific control. Dome/Dish features smooth flowing radius and requires no debarring or preparation.

part #: 247942 prices

• $278.99-$309.99

specifications pistondon:

• for models: Wr450f, Yz450f
• for makes: Yamaha
• brand: J.e. Pistons
• mpn: 247942
• part type: Piston
• warranty details: See Manufacturer

shipping pistondon:

• service: UPS Ground
• class: Standard
• cost: $0.00
• type: Fixed
• transit: 2-6 Days
• carrier: UPS

seller pistondon:

• # reviews: 614462
• city: Grand Rapids, Michigan
• rating: 99.3%

general pistondon:

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

offer pistondon:

• sold: 0
• started: May 22, 2025
• availability: In Stock
• quantity: 2
• options: Ship-to-home

returns pistondon:

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

payments pistondon:

• credit card: Mastercard
• wallet: Apple-pay
• other

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