2Bros Parts

CYLINDER KIT 77MM YAMAHA WR 250 08-17, ATHENA EC485-031 STD BORE, (Piston not included)

£351.52Only 1 left

4.1 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

ATHENA Standard Bore Cylinder Kit Ø 77 mm, 250 cc with Gaskets. Bore Diameter: 77.00 mm. Displacement: 250 cc. Net Weight: 1.56 Kg. Features motor-nicksil coating for smoothness and optimal wear resistance. Engineered in Italy. Tested with bench and road tests. Installation does not require engine crankcase modifications.

Specifications
SKU
56-K144.77.CGA
Brand
Athena
Availability
In Stock (1)

Fitments (20)

MakeModelYear
YAMAHAWR R 2502008
YAMAHAWR R 2502009
YAMAHAWR R 2502010
YAMAHAWR R 2502011
YAMAHAWR R 2502012
YAMAHAWR R 2502013
YAMAHAWR R 2502014
YAMAHAWR R 2502015
YAMAHAWR R 2502016
YAMAHAWR R 2502017
YAMAHAWR X 2502008
YAMAHAWR X 2502009
YAMAHAWR X 2502010
YAMAHAWR X 2502011
YAMAHAWR X 2502012
YAMAHAWR X 2502013
YAMAHAWR X 2502014
YAMAHAWR X 2502015
YAMAHAWR X 2502016
YAMAHAWR X 2502017
General Product Group
Engine
General Product Type
Cylinder Kits
General Size
77mm
Variant Id
252876
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena Standard Bore Cylinder Kit - 77mm

This Athena Standard Bore Cylinder Kit is engineered for optimal performance and reliability. Designed and tested in Italy, this kit features a motor-nicksil nickel-silicon coating developed by Athena for superior smoothness and wear resistance. It offers the same performance as original spare parts with extreme reliability and smooth operation.

Key Features:

  • Standard Bore Cylinder Kit
  • 77mm Bore Diameter
  • 250cc Displacement
  • High-quality aluminum cylinder
  • Durable motor-nicksil coating for enhanced wear resistance and smoothness
  • Includes a complete gasket kit
  • Piston not included
  • Designed to withstand high temperatures, pressures, and stresses
  • Validated through rigorous bench and road testing
  • Installation requires no modifications to the engine crankcase

Technical Specifications:

  • Bore Diameter: 77.00 mm
  • Displacement: 250 cc
  • Net Weight: 1.56 kg
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

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.

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.

Apply for Trade
1