YZ250 Big Bore 293cc Kit 1999-2022


Hassle Free, direct bolt on equipment, no machining or boring required. Take off the old parts and install a 293cc New cylinder, power valve, piston and gaskets.

Brand new (293CC) big bore cylinder kit made for the YZ250 1999-2022. Made with larger water jackets for greater cooling capacity. Ported power valves for more power and torque over the stock YZ250 This kit is a direct bolt on,  comes complete with A new Cylinder! Simply bolt it up! Keep all your original parts! Comes with the following: 

Complete New Aluminum Cylinder with a Nickel Carbide Coating designed with wider water jackets
New Power Valves
New Head assembly
Complete 72mm Piston kit
Top End Gasket kit

Brand new (293CC) big bore cylinder kit made for the YZ250 1999-2022. 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. Replacement parts from Magnum Distributing gaskets and pistons for ease of future replacements parts that most all bike shops and consumers can buy from direct. Cometic gaskets and Athena pistons are also made to work with this kit.

If any questions please message through ebay. We will respond Mon-Fri 9am-5pm
call or text 937.524.6033
Click link below for our eBay store



Terms Of Sale:
This item will ship same business day (Monday-Friday)

Shipping Details:
Buyer pays fixed shipping costs. Delivery Time: Allow 2-4 business days for delivery of items in the continental United States.

SHIPPING:

Most fixed shipping and free shipping rates on eBay ads only apply to the lower 48 states. Shipments to Alaska, Hawaii, APOs, Puerto Rico, Guam and international locations may have additional shipping costs and delays. Some items can not be sent to California or may have delayed shipping. Please contact us for more information. Many of our products are shipped via USPS. Please be aware that USPS does not always scan their packages so the tracking number may not have any information until it is delivered. Our parcels are picked up by USPS the same date or the next postal service day that the tracking number shows being generated. Also, many of our items are drop-shipped directly from our suppliers and not from our store location in Dayton, OH.



COMBINED SHIPPING DISCOUNTS: 

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EBAY LISTING: 


At Apex Racing Inc., we strive to make our eBay ads complete and accurate. Most pictures shown are provided by the product's manufacturer and may be generic to cover many models of vehicles. Some items may have a slightly different appearance than what is shown in the picture. Please review the entire description to verify proper fitment.