PROX - 01.2435.A - Piston Kit - 94.95 mm - Yamaha YFZ450/YFZ450R
A quality piston kit is the heart of any engine rebuild, and the PROX 01.2435.A is engineered to deliver OEM-level fit, finish, and durability in a package ready to drop straight into your engine. Kit includes piston, rings, wrist pin and circlips, ensuring dimensional accuracy from the first start-up. Precision machined on state of the art CNC equipment, which means it holds tight tolerances longer and runs cooler than standard alloy alternatives. Made with low expansion, low friction alloy, and bore - Oversize: Standard helps the new piston seat properly during break-in. Piston Material: Aluminum Alloy, rounding out a component built for reliability from the very first fire-up through thousands of miles. Whether you are refreshing a worn top-end or building a motor from scratch, the 01.2435.A gives you a solid foundation for a long-lasting engine. Sold as a complete kit.
Features
- Kit includes piston, rings, wrist pin and circlips
- Precision machined on state of the art CNC equipment
- Made with low expansion, low friction alloy
OEM Part Numbers: 5TG-11631-00
Specs
- Bore - Oversize: Standard
- Piston Material: Aluminum Alloy
- Bore Size: 95.00 mm
- Riding Style: ATV
- Skirt Coating: Non-Coated
- Piston Size: 94.95 mm
- Product Name: Piston Kit
- Compression Ratio: 11.4:1
- Compression Ratio: 11.6:1
- Compression Ratio: 12.0:1
- Units: Kit
- Displacement: 450 cc
- Engine Type: 4-Stroke
- Type: Standard Size A
OEM Part Numbers
- 5TG-11631-00
Frequently Asked Questions - PROX - 01.2435.A - Piston Kit - 94.95 mm - Yamaha YFZ450/YFZ450R
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.
