ATHENA
Athena 283cc Big Bore Cylinder Kit - Yamaha YZ250F WR250F
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DESCRIPTION
Unlock more power and torque from your Yamaha with the Athena 283cc Big Bore Cylinder Kit, engineered to boost performance across the rev range. Designed for riders who want stronger acceleration, improved mid-range pull, and increased overall displacement, this kit transforms your 250 into a harder-hitting 283cc machine.
Precision manufactured by Athena, this big bore kit delivers race-proven reliability and performance for motocross and off-road applications.
Key Features
~ Increases engine capacity to 283cc
~ Improved torque and throttle response
~ Stronger mid-range and top-end performance
~ High-quality cylinder and piston components
~ Race-proven durability and reliability
~ Designed for performance riding and competition use
Fitment
~ Yamaha YZ250F (2019–2024)
~ Yamaha WR250F (2020–2024)
The Athena 283cc Big Bore Cylinder Kit is the ideal upgrade for riders looking to extract more performance from their YZ250F or WR250F, delivering stronger acceleration and race-ready power where it counts.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Kihikihi, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, Motozone will ship your purchase from the closest location where possible.
New Zealand
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout New Zealand is $7.99 for Urban and $12.99 for Rural Shipping.
In most cases shipping is overnight however it can take 2-3 days depending on time/day the order was placed. If delivery is to a rural address please allow a couple of extra days. We can ship to your place of work!
Australia
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout Australia is $19.99
Delivery takes approx. 5-10 days delivery.
RETURNS
RETURNS
Any goods purchased from Motozone can be returned within 30 days of receipt for refund or exchange.
The goods must be returned new, unused, unaltered, not previously installed, and in a sellable condition with all of the original packaging.
This right of return will not cover items that are special orders and found to be an incorrect fit, this is the responsibility of the purchaser, however all other standard warranties will apply.
Freight costs will not be refunded.
For the returns process contact or phone Motozone with your invoice number and the reason for return. We will then email you the correct form for processing.