TOP END PISTON & GASKET KIT 54MM KTM SX 125 23-25, ATHENA P4C0540097020A, SET A
4.4 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
ATHENA Top End Piston Kit P4C0540097020A is a SET A kit with a 54mm bore diameter and 125cc displacement. The piston is cast with a flat head, biconical pin, and a forged side relief skirt. It features one segment. Technical specifications include a 15x10x45mm big end pin diameter, 29.50mm compression height, and a standard compression ratio. The net weight is 0.45 Kg.
- SKU
- 56-T1053.A_ATH
- Brand
- Athena
- Availability
- In Stock (1)
- Variant Id
- 324690
FULL DESCRIPTION
Athena Top End Piston and Gasket Kit - 54mm Bore
Restore your motorcycle's performance with this comprehensive Athena Top End Piston and Gasket Kit. Designed for precision and durability, this kit includes all the necessary components to rebuild your engine's top end.
Key Features:
- Piston Type: Cast piston with a forged side relief skirt for enhanced strength and reliability.
- Piston Head: Flat piston head design.
- Piston Pin: Features a biconical piston pin for optimal load distribution.
- Number of Segments: Equipped with 1 segment for efficient sealing.
- Bore Diameter: Precision manufactured to 53.94mm.
- Compression Height: 29.50mm.
- Compression Ratio: Standard (STD).
- Displacement: Suitable for 125cc engines.
- Big End Pin Diameter: 15x10x45mm.
- Weight: Net weight of 0.45 Kg for the kit.
- Includes: Complete top-end piston and gasket set.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.