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Specs:
Description: Big Bore Cylinder Kit
Notes: Uses Vertex #24079
Compression Ratio: STD
Cylinder Diameter: 72 mm
Cylinder Kit Type: Big Bore
Displacement: 295 cc
Engine Type: 2-Cycle
Includes: Cylinder, Cylinder Head, Power Valve Kit, Piston Kit, Top End Gasket Kit & Wrist Pin Bearing
Size Over Standard: 5.60mm
Compatible With/Replacement For:
Yamaha YZ 250 1999-2023
Danielle Lewis
Reviewed in the United States on March 9, 2025
Cylinder Works is a solid company. I experienced a catastrophic failure with a piston which caused damage to the cylinder as well. The company had reasonable questions and requested pictures to identify the damage occurred during this failure. After further inspection Cylinder Works shipped a new kit which I am totally satisfied with.Great product and awesome customer service!
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