
ATHENA Segment Ø54mm for cylinder-piston kit 054007 — Simply replace the essential wear part of your motocross engine with this new segment from ATHENA. Designed to fit the cylinder-piston kit 054007, this Ø54 mm segment meets the necessary specifications and profile for proper piston/cylinder operation.
This segment fits into the piston groove to ensure gas sealing and help maintain cylinder compression. Ideal for maintenance operations, engine refurbishment, or as a preventive replacement after disassembling the top end.
Installation tips: check the clearance in the piston groove, clean thoroughly before installation, and lightly lubricate the segment and cylinder during assembly. Follow the torque specifications and recommendations from the engine manufacturer during reassembly and perform a gradual break-in after intervention.
Common compatibilities: YAMAHA TT-R 125 LW BIG WHEELS E (CE21) 2021, KAWASAKI KX 125 (KX125M) 2008, YAMAHA YZ 125 (CE16) 2020. Always verify the kit reference and specifications before ordering.