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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
Cylinder Works big bore cylinder kit for Yamaha 450 models, designed as a replacement top-end assembly for 4-cycle engines with increased displacement to 470 cc. This kit includes the cylinder, piston kit, and top-end gasket kit, and is specified with a 99 mm cylinder diameter, 13.0:1 compression ratio, 2.00 mm oversize, and compatibility with Vertex piston reference 24461.
Features
Big bore cylinder kit
Replacement top-end assembly
Includes cylinder, piston kit, and top-end gasket kit
Uses Vertex #24461
Specifications
Cylinder diameter: 99 mm
Compression ratio: 13.0:1
Displacement: 470 cc
Engine type: 4-cycle
Cylinder kit type: big bore
Size over standard: 2.00 mm
Vehicle Fitments
Yamaha WR 450 F (2021-2023)
Yamaha YZ 450 F (2020-2022)
Yamaha YZ 450 FX (2021-2023)