SP1 09-802 Piston Moly 54-802PS

( Brand: Sp1 ), ( Manufacturer Part Number: 09-802 ), ( Part Type: Piston )

Review SP1 Piston T moly Yam

Introducing the SP1 09-802 and 54-802 PS Piston Kit by T-Molybdenum, a high-performance solution designed specifically for Yamaha motorcycle engines. This piston kit is an essential upgrade for those seeking enhanced power, durability, and reliability from their Yamaha engine.

The SP1 09-802 and 54-802 pistons are engineered using T-Molybdenum's proprietary alloy, which offers superior strength and thermal conductivity. The molybdenum-coated piston skirts minimize friction and provide excellent wear resistance, ensuring a long lifespan even under heavy usage. The pistons are also nitrided for added strength and durability, ensuring they can withstand the rigors of high-performance riding.

These pistons have a precise, CNC-machined shape to ensure a perfect fit within the engine cylinder. The piston crowns are also designed to provide optimal combustion efficiency, resulting in increased power output and improved engine response. The piston rings included in the kit are made from high-quality, low-friction materials to ensure a tight seal and minimize power loss.

This piston kit is designed to fit Yamaha engines with the following model numbers: XT250, WR250F, WR450F, YZ250, YZ250F, YZ450F, and YZ450FX. It is important to note that this kit is intended for off-road use only and is not suitable for use on public highways or streets.

In summary, the SP1 09-802 and 54-802 PS Piston Kit by T-Molybdenum is a top-quality upgrade for Yamaha motorcycle engines. With its superior strength, durability, and power-enhancing design, this kit is an excellent choice for riders seeking to maximize their engine's performance and reliability.

The SP1 09-802 and 54-802 PS piston kit for Yamaha motorcycles is a popular aftermarket upgrade for those seeking improved engine performance. Here are some pros and cons to consider before making a purchase.

1. Enhanced Power: The piston kit is designed to provide increased power output, resulting in better acceleration and overall performance.

2. High-Quality Materials: The pistons are made of T-Moly, a high-performance material that offers excellent strength and durability.

3. Improved Engine Efficiency: The kit can help improve engine efficiency, reducing fuel consumption and emissions.

4. Enhanced Cooling: The pistons have a cooling fin design that helps to dissipate heat more effectively, reducing the risk of engine overheating.

5. Precision Manufacturing: The pistons are manufactured to tight tolerances, ensuring a precise fit and optimal engine performance.

1. Cost: The piston kit can be quite expensive, making it a significant investment for some riders.

2. Installation Complexity: Installing the piston kit requires significant mechanical expertise and specialized tools, which may necessitate professional installation.

3. Wear and Tear: The high-performance materials used in the piston kit may wear out more quickly than stock pistons, requiring more frequent replacement.

4. Potential Engine Damage: Improper installation or use of subpar materials can result in engine damage, which could be costly to repair.

The SP1 09-802 and 54-802 PS piston kit for Yamaha motorcycles offers significant performance benefits, including increased power output, improved engine efficiency, and enhanced cooling. However, it comes with a hefty price tag and requires specialized installation. Additionally, the high-performance materials used in the kit may wear out more quickly than stock pistons.

If you are an experienced mechanic or have access to professional installation services, and you are looking for significant performance gains, then the SP1 09-802 and 54-802 PS piston kit for Yamaha motorcycles is an excellent choice. However, if you are a novice mechanic or are on a tight budget, there may be other, more cost-effective performance upgrades to consider. It is essential to carefully weigh the pros and cons before making a purchase.

Details:

Sp1 54-802PS 09-802 PISTON T-MOLY YAM. T-Moly Series offers a number of performance benefits. All pistons, rings, pins and cir clips are manufactured to OEM specifications. This fitment information is based upon the stock version of motorcycle or unit referenced and any accessory added other modification could invalidate quick reference provided.

Features: Includes: 1 piston, ring set, wrist pin and 2 cir clips. Piston weight compatible with original piston

part #: 09802 prices

• $47.53-$82.81

specifications pistondon:

• for makes: Yamaha
• brand: Sp1
• mpn: 09-802
• part type: Piston

offer pistondon:

• availability: In Stock
• options: Ship-to-home
• quantity: 9
• sold: 0
• started: March 2, 2026

shipping pistondon:

• cost: $0.00
• transit: 3-5 Days
• service: FedEx Ground / FedEx Home Delivery, USPS First Class, USPS Priority Mail, UPS Ground
• class: Standard, Expedited
• carrier: FedEx, USPS, UPS
• type: Fixed

seller pistondon:

• city: Omaha, NE
• rating: 100.0%
• # reviews: 3860

general pistondon:

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

returns pistondon:

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

payments pistondon:

• credit card: Mastercard
• other
• wallet: Paypal

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