TRAUM 250786 Forged Pistons Fzr 86.5MM 11.5

( Brand: Traum ), ( Manufacturer Part Number: 250786 ), ( Part Type: Piston ), ( Performance Part: Yes )

Review TRAUM Forged Pistons 86.5mm 11.5 Yamaha Fzr Or fits GP1800 CR

Introducing the TRAM 250786 Forged Pistons, specifically designed for the Yamaha FZR GP1800 engine with a bore size of 86.5mm and a compression ratio of 11.5:1. These forged pistons are an upgrade from the stock pistons, delivering superior performance and durability for your watercraft.

Each piston is meticulously crafted from high-quality forged aluminum alloy. The forging process ensures a dense and strong piston structure, reducing the likelihood of piston failure due to thermal stress or fatigue. The piston's crown and skirt are engineered to provide optimal compression and efficient power transfer.

The piston's crown features a dish design that helps to increase the engine's power output by improving the combustion efficiency. The piston's skirt is designed with a full-floating pin design, allowing for minimal friction and wear during engine operation.

The TRAM 250786 Forged Pistons also come with optimally balanced piston weights. This ensures that the engine runs smoothly and reduces vibrations, providing a more comfortable riding experience.

These forged pistons are also designed with a wet-sump oiling system that ensures the piston and piston rings are lubricated even during high-RPM operation. This results in reduced engine wear and longer piston ring life.

The piston rings included with these forged pistons are made from high-quality, low-friction material. The rings are designed to provide a tight seal between the piston and cylinder walls, reducing blowby and improving engine efficiency. The piston rings are also engineered to withstand the extreme temperatures and pressures experienced during watercraft operation.

Each TRAM 250786 Forged Piston is carefully inspected and tested to ensure the highest quality and performance. These pistons are the perfect upgrade for your Yamaha FZR GP1800 engine, providing increased power, improved durability, and enhanced reliability. Upgrade your watercraft with TRAM's forged pistons and experience the difference for yourself.

Traum's forged pistons (part number 250786) for the Yamaha FZR GP1800 with an 86.5mm bore and a compression ratio of 11.5 are known for their durability and performance enhancements. Let's discuss the pros and cons of purchasing these pistons:

1. Enhanced Durability: Forged pistons offer increased durability compared to their cast counterparts. They are less prone to cracking, warping, and other forms of damage, making them a popular choice for high-performance applications.

2. Improved Performance: Forged pistons offer better heat dissipation, which can lead to improved performance. They also have a more uniform shape, allowing for a more efficient transfer of power from the piston to the crankshaft.

3. Increased Compressive Strength: Forged pistons have a higher compressive strength, which can support higher compression ratios and lead to increased power output.

1. Cost: Forged pistons are more expensive than cast pistons due to the manufacturing process involved in creating them.

2. Custom Installation: Forged pistons may require custom installation, as they are often designed to work with specific engine configurations. This could involve additional costs and time.

3. Potential Clearance Issues: Depending on the engine configuration, forged pistons may have clearance issues with other engine components. This could require additional modifications to the engine to ensure proper clearance.

In conclusion, Traum's forged pistons (part number 250786) offer several advantages, including enhanced durability, improved performance, and increased compressive strength. However, they come with a higher cost, custom installation requirements, and potential clearance issues.

If you are looking for a high-performance upgrade for your Yamaha FZR GP1800 engine and are willing to invest in the cost and customization required, then forged pistons from Traum or another reputable manufacturer could be a worthwhile investment. However, if you are on a budget or prefer a more straightforward installation, then cast pistons may be a more suitable option.

If you are looking for a high-performance upgrade for your Yamaha FZR GP1800 engine and have the budget and willingness to invest in the customization required, then forged pistons from Traum or another reputable manufacturer could be a worthwhile investment. Make sure to work with a qualified mechanic to ensure proper installation and clearance. If you are on a budget or prefer a more straightforward installation, then cast pistons may be a more suitable option.

Details:

Perfect for those seeking a reliable and efficient component to boost their vehicles output. Manufactured by TRAUM in the USA, these pistons are known for their durability and superior performance. TRAUM Forged Pistons 86.5MM CR 11:5, The 86.5mm are high-performance parts designed specifically for Yamaha FZR and GP1800 engines.

part #: 250786 price

• $850.00

specifications perfracp:

• for models: Gp1800, Cr
• for makes: Yamaha
• brand: Traum
• mpn: 250786
• part type: Piston
• performance part: Yes

shipping perfracp:

• cost: $0.00
• transit: 5-12 Days
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• carrier: USPS

seller perfracp:

• city: Homestead, Florida
• # reviews: 356
• rating: 100.0%

general perfracp:

• condition: New
• Parts Accessories > Permance Racing Parts > Other

payments perfracp:

• credit card: Visa
• wallet: Paypal
• other

returns perfracp:

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

offer perfracp:

• quantity: 10
• options: Ship-to-home
• availability: In Stock
• started: October 29, 2025
• sold: 0