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293cc Big Bore Kit - Yamaha 99-23 YZ250 (72mm)
$625.00
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Want extra peace of mind? Even if a seller doesn't offer returns,
MX Locker gives you the option to make any item returnable with Return Assurance at checkout.
MX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
MX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
Overview
Description
293cc Big Bore Kit - Yamaha 99-23 YZ250 (72mm).. 293cc Big bore kit for 1999 to 2023 Yamaha YZ250. 293cc. Includes cylinder, cylinder head, piston kit w/rings, power valve and top end gasket. Made with larger water jackets for greater cooling capacity. Ported power valves for more power and torque over the stock YZ250. Kit was made to be a improvement over the Athena YZ293 big bore. Improved power valve porting and uses factory style flat metal gaskets for increased reliability over the rubber o-ring Athena gaskets.
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