WISECO - RE825M09700 - Piston Kit - 97.00 mm - Yamaha YZ450F/FX | WR450F
A piston that fits loose burns oil and loses compression. One that fits tight seizes under heat. The WISECO RE825M09700 is built for your 97.00 mm / Yamaha YZ450F/FX | WR450F engine with the kind of precise dimensional control that sits exactly where it should — delivering clean combustion sealing and smooth cylinder wall contact from the first fire-up. R&D developed to provide dyno-proven power gains. Asymmetric skirt design for improved wear and even loading on major thrust skirt. Bore Size: 97.00 mm. Every serious rebuild deserves components engineered to this standard, and the RE825M09700 delivers it.
Features
- R&D developed to provide dyno-proven power gains
- Asymmetric skirt design for improved wear and even loading on major thrust skirt
- Precision fit ring; custom-lapped compression ring for improved power
- 100% billet machined for superior strength-to-weight ratio and optimized fit
- High compression (14:1 for 450cc, 14.5:1 for 250cc) for maximum torque and throttle response
- Dome design improves flame travel to maximize air/ fuel burn efficiency
- DLC-coated piston pin reduces friction and improves scuff resistance
- Enhanced pin oiling for improved lubrication and reduced friction
- Pressure seal groove reduces ring lifting and power loss
- ArmorGlide® skirt coating reduces friction for quieter operation, improved scuff resistance
- Pistons include rings, pin, and circlips
- Made in the USA
Specifications
- Bore Size: 97.00 mm
- Skirt Coating: ArmorGlide®
- Bore - Oversize: Standard
- Model: Racer Elite Series
- Piston Diameter: 96.96 mm
- Engine Type: 4-Stroke
- Piston Material: Forged 2618 Aluminum
- Product Name: Piston Kit
- Compression Ratio: 14.0:1
- Units: Kit
- Displacement: 450 cc
- Riding Style: Off-Road
Frequently Asked Questions - WISECO - RE825M09700 - Piston Kit - 97.00 mm - Yamaha YZ450F/FX | WR450F
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
