Yamaha YZ250F/YZ250FX Stock Bore Athena Piston & Cylinder Top End
This new Athena stock bore piston and cylinder top end rebuild kit is listed for 2019–2024 Yamaha YZ250F and YZ250FX models. It’s intended for riders refreshing the top end back to stock bore size, whether for routine maintenance or a rebuild after wear. What’s included, exact part numbers, and fitment notes can vary by listing, so check the listing for details. The item is sold through eBay Motors and ships with free shipping. Review the listing photos and description to confirm compatibility with your exact year and model before purchase.
| Location | Gilbert, Arizona US |
| Shipping | Free shipping (check listing for details) |
| Seller |
azquadparts
99.9% positive · 29995 feedback
|
| Listing | FixedPrice · Active |
| Return shipping will be paid by | Seller |
| Returns Accepted | Returns Accepted |
| Item must be returned within | 30 Days |
| Refund will be given as | Money back or replacement (buyer's choice) |
| Non-Domestic Product | No |
| Machine Type | Off-road Motorcycle |
| Custom Bundle | No |
| Items Included | Cylinder Barrel |
| Manufacturer Part Number | A-YZ250F-1924-77-CG / S5F07700009 / MRS14 |
| Superseded Part Number | B7B-11311-00-00 |
| Vintage Part | No |
| Modified Item | No |
| Placement on Vehicle | upper |
| California Prop 65 Warning | yes |
| Brand | Athena AZQP Honda |
| Engine Type | 4-Stroke |
| Type | Engine Rebuild Kit |
| Unit Type | Unit |
| Interchange Part Number | B7B-11311-00-00 |
| Manufacturer Warranty | 1 Year |
| OE/OEM Part Number | B7B-11311-00-00 |
| Surface Finish | Silver |
| Features | Corrosion-Resistant |
| Country/Region of Manufacture | United States |
| Unit Quantity | 1 |
| Performance Part | Yes |
Athena Stock Bore Cylinder Top End Kit With 13.5:1 Skirt Coated Forged Piston Kit!This is the best and most reliable rebuild kit on the market! Fits Yamaha YZ250F Dirt Bikes Years 2019 2020 2021 2022 2023 2024Also Fits the Yamaha YZ250FX Dirt Bikes Years 2020 2021 2022 2023 2024 This Kit Includes:Athena Nikasil Stock Bore Cylinder Larger Water Jackets For Better Cooling! Athena Forged & Coated Piston Kit (Includes, Piston, Pin, Rings & Clips) Athena Complete Top End Gasket Set With MLS Head GasketHi Temp Viton Valve Stem SealsIt will work with your stock head and valves. All parts come with warranty. We ship worldwide & ship all domestic orders free!
