Upgrade your ride with the ATHENA RACE CYL KIT YZ125 54MM from Knobtown Cycle, Kansas City’s premier motorcycle parts destination.
Product Description
RACE CYL KIT YZ125 54MM
- Aluminum cylinder is nickel carbide coated designed with larger water jackets
- Specially designed, high performance, hard anodized power valves (cannot use OEM)
- There is an aluminum cylinder head with a removable bronze dome allowing for a higher compression ratio and anti-detonation features (except where noted)
- Kit also includes a Cast-Lite flat top piston kit, and an Athena top-end gasket set that includes required seals and hardware
- Bolt on; no matching required except where noted
Part Locations
| Location |
Available |
| Wisconsin (WI) |
1 |
| New York (NY) |
1 |
| Texas (TX) |
2 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
0 |
| National Total |
4 |
Stock levels last updated: December 22, 2025 5:41 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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