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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
Cylinder Works standard bore cylinder kit for Yamaha 250 models, designed as a replacement top-end assembly for 4-cycle 250 cc engines. This kit includes the cylinder, piston kit, and top-end gasket kit, and is specified with a 77 mm cylinder diameter, 13.8:1 compression ratio, and compatibility with Vertex piston reference 24371.
Features
Standard bore cylinder kit
Replacement top-end assembly
Includes cylinder, piston kit, and top-end gasket kit
Uses Vertex #24371
Specifications
Cylinder diameter: 77 mm
Compression ratio: 13.8:1
Displacement: 250 cc
Engine type: 4-cycle
Cylinder kit type: standard bore
Vehicle Fitments
Yamaha WR 250 F (2020-2024)
Yamaha YZ 250 F (2019-2024)
Yamaha YZ 250 FX (2020-2024)