COMETIC - C3105 - Top End Gasket Kit - Yamaha
The COMETIC C3105 is a complete top-end gasket kit for 2005-2021 Yamaha YZ125 and YZ125X 2-stroke off-road bikes, including base gasket, head gasket, cylinder O-rings, and top-end seals needed for full engine R&R — made in the USA.
Features
- Top end gasket kit includes correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end
- Made in the USA
Specs
- Riding Style: Off-Road
- Product Name: Gasket Kit
- Type: Top End
- Engine Type: 2-Stroke
- Model: Hi-Performance
- Units: Kit
Frequently Asked Questions - COMETIC - C3105 - Top End Gasket Kit - Yamaha
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.