CYLINDER FULL KIT 83mm 2009-2010 KAWASAKI KX 250 ATHENA P400250100013 290CC BIG BORE (Piston included)
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
ATHENA Big Bore Cylinder Kit, bore diameter 83 mm, 290 cc. This kit includes the high-quality aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder features a nickel-silicon coating for smoothness and wear resistance. All components are engineered in Italy and designed to withstand high temperatures, pressures, and stresses. No crankcase modifications are required for installation. Technical features include a bore diameter of 83.00 mm, compression ratio of 13.5:1, displacement of 290 cc, and a net weight of 1.60 Kg.
- SKU
- 56-K145.83.KIT
- Brand
- Athena
- Availability
- In Stock (2)
Fitments (8)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 250F | 2009 |
| KAWASAKI | KX 250F | 2010 |
| KAWASAKI | KX 250F | 2011 |
| KAWASAKI | KX 250F | 2012 |
| KAWASAKI | KX 250F | 2013 |
| KAWASAKI | KX 250F | 2014 |
| KAWASAKI | KX 250F | 2015 |
| KAWASAKI | KX 250F | 2016 |
- General Product Group
- Engine
- General Product Type
- Cylinder Kits
- General Size
- 83mm
- Variant Id
- 252887
FULL DESCRIPTION
Athena 290cc Big Bore Cylinder Kit - 83mm Bore
Enhance the performance of your motorcycle with the Athena Big Bore Cylinder Kit. This kit is engineered in Italy by Athena's dedicated R&D Department, utilizing advanced tools and extensive internal expertise to design and test each component. The cylinder features a Motor-Nicksil coating, a proprietary nickel-silicon blend developed by Athena for exceptional smoothness and superior wear resistance.
Athena's cylinder kits are globally recognized for their outstanding performance, long-lasting durability, and unwavering reliability. This Big Bore Cylinder Kit is designed to deliver a noticeable increase in power across the entire rev range while maintaining the reliability of original components.
The complete kit includes:
- A high-quality aluminum cylinder with an increased bore diameter of 83mm.
- A complete piston assembly, including the piston, piston pin, and rings.
- All necessary gaskets for installation.
Every component within this kit has been rigorously developed and validated by Athena technicians through extensive bench and road testing to withstand extreme temperatures, pressures, and stresses. Importantly, this cylinder kit can be installed without requiring any modifications to the engine crankcase.
Technical Specifications:
- Bore Diameter: 83.00 mm
- Compression Ratio: 13.5:1
- Displacement: 290 cc
- Net Weight: 1.60 Kg
Athena Part Number: P400250100013
Note: All Athena products should be used in compliance with applicable national regulations. Athena is not responsible for any misuse of its products.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.