2Bros Parts

CYLINDER FULL KIT 97mm 10-13 YAMAHA YZ450 ATHENA STD BORE PISTON INCLUDED P400485100040

$577.07

4.1 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1

Athena Standard Bore Cylinder Kit Ø 97 mm, 450 cc. This kit includes a high-quality aluminum cylinder with a standard bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder barrel is coated with motor-nicksil, a nickel-silicon compound developed by Athena for smoothness and superior wear resistance. Engineered in Italy by Athena’s R&D Department, the kit offers performance and reliability comparable to original spare parts. Technical features include a bore diameter of 97.00 mm, a compression ratio of 12.4:1, a displacement of 450 cc, and a net weight of 1.50 Kg. Installation requires no modifications to the engine crankcase.

Specifications
SKU
56-K138.097.CKA
Brand
Athena
Availability
In Stock (3)

Fitments (8)

MakeModelYear
YAMAHAYZ 450F2010
YAMAHAYZ 450F2011
YAMAHAYZ 450F2012
YAMAHAYZ 450F2013
YAMAHAYZF 4502010
YAMAHAYZF 4502011
YAMAHAYZF 4502012
YAMAHAYZF 4502013
General Product Group
Engine
General Product Type
Cylinder Kits
Variant Id
252836
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena Standard Bore Cylinder Kit - 97mm Bore, 450cc

This Athena Standard Bore Cylinder Kit is designed to provide a high-quality replacement for your motorcycle's original cylinder. Engineered in Italy, each cylinder undergoes rigorous development and testing to ensure exceptional performance and durability.

The cylinder features a lightweight aluminum construction with a motor-nicksil coating, a proprietary nickel-silicon compound developed by Athena. This advanced coating offers superior smoothness and wear resistance, contributing to the longevity of the engine.

This comprehensive kit includes a standard bore cylinder, a complete piston assembly (including piston pin and rings), and all necessary gaskets for a straightforward installation. The piston is engineered to minimize friction for optimal engine efficiency.

Athena's commitment to quality means this cylinder kit is built to withstand demanding conditions, including high temperatures, pressures, and stresses, making it a reliable choice for performance and everyday riding.

Key Features:

  • Standard Bore Cylinder Kit
  • Bore Diameter: 97.00 mm
  • Displacement: 450 cc
  • Compression Ratio: 12.4:1
  • Lightweight Aluminum Cylinder Construction
  • Motor-Nicksil Coating for Enhanced Wear Resistance
  • Includes Complete Piston Assembly (Piston, Pin, Rings)
  • Includes All Necessary Gaskets
  • Direct Fit - No Crankcase Modifications Required
  • Designed and Engineered in Italy
  • Rigorous Bench and Road Testing
Before you buy

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.

Apply for Trade
1