280cc Athena Big bore kit for all years CRF250. Includes: Brand new aluminum cylinder with Nickel-Carbide coating, forged and moly coated piston kit (piston,rings,pin and clips) and top-end gaskets. Bolt on kit,(no crankcase machining etc.) no other modifications needed, other than the usual jetting changes of a big bore kit. Retail $773.87
We will give $50 for your old cylinder
$50 off when
you order any two 4 stroke big bore kits
- when ordering online their is no option for the discount,
but we will deduct the $50 from your order before processing
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