VERTEX - 23119B - Piston Kit - 53.94 mm - Yamaha YZ125/X
When it is time for a top-end rebuild, the piston you choose sets the ceiling on everything that comes after, and the VERTEX 23119B at 53.94 mm is built to meet that challenge. Bore size: 53.94 mm.
Features
- Piston is heat treated with a T-5 hardening and tempering cycle
- Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
- Gravity-cast aluminum alloy (not forged) with 18% silicone content
- Cast OE replacement piston
- Kit includes piston, rings, wrist pin and circlips
OEM Part Numbers: 1C3-11631-03-D0
Specs
- Product Name: Piston Kit
- Engine Type: 2-Stroke
- Model: Cast Replica
- Units: Kit
- Piston Diameter: 53.94 mm
- Piston Material: Cast
- Compression Ratio: Standard
- Cylinder Diameter: 54.00 mm
- Piston Material: Aluminum Alloy
- Skirt Coating: Molybdenum Disulphite
- Displacement: 125 cc
- Riding Style: Off-Road
OEM Part Numbers
- 1C3-11631-03-D0
Frequently Asked Questions - VERTEX - 23119B - Piston Kit - 53.94 mm - Yamaha YZ125/X
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.
