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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
The +3mm Big Bore Cylinder Kit (Part Number: 31001-K01) is a complete upgrade designed for Kawasaki KX250F (2004–2008) and Suzuki RM-Z250 (2004–2006) models. This kit increases the engine displacement to 269cc while maintaining standard compression, offering enhanced performance with a direct bolt-on installation. The Nickel Silicon Carbide plated cylinder ensures durability, and the kit includes all components necessary for a top-end rebuild.
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