
UNIQUE SEGMENT 54.25MM by WISECO (Manufacturer part number: W2136CS) — segment designed for motocross cylinders. New part intended for replacement during a top-end rebuild, maintenance, or restoration. The segment maintains the nominal size of 54.25 mm to fit the corresponding piston diameter.
The segment performs the traditional mechanical role: ensuring gas/oil sealing between the piston and cylinder and contributing to the engine's performance during typical motocross revs. Reliable and easy to install for mechanics and riders who maintain their 2-stroke or 4-stroke in recreational competition.
Main compatibilities:
Workshop advice: check the cylinder bore and the condition of the piston before replacement to ensure correct installation. Ideal part for demanding riders and DIY enthusiasts looking to restore their engine to specification with a reputable brand part.