- New


The cylinder guides the piston and forms the combustion chamber with the head: a new cylinder kit restores top-end compression and power.
CYLINDER WORKS Ø77 mm cylinder kit for SUZUKI RMZ 250 from 2019 to 2023.
On SUZUKI RMZ 250 from 2019 to 2023, the CYLINDER WORKS Ø77 mm CW40005K01 cylinder kit fits in place of the original part. A cylinder that is scored, oval or has a damaged coating loses compression and wears pistons out quickly. Rather than having it rebored and recoated, this kit replaces it with a new, ready-to-fit cylinder.
Measure the cylinder at every piston change. As soon as it falls outside the tolerances in the manual or is scored, it has to be replaced or reconditioned.
Cylinder Works makes new, not remanufactured, cast-aluminium cylinders to the original design. The bore is electroplated with nickel silicon carbide and diamond-honed to exact size: an alternative to an OEM cylinder or a re-plate, with a forged Vertex piston matched to the cylinder in some kits.
What does the kit contain?
The cylinder and its complete piston. Check the photo and the Athena instructions for the gaskets supplied.
Which spare parts should I plan for?
For the next service: piston, rings, pin, circlips and top end gaskets in the same size as this cylinder.
Check the exact model and year of your bike in the list below before ordering.
Fits:
SUZUKI RMZ 250 2023
SUZUKI RMZ 250 2022
SUZUKI RMZ 250 2021
SUZUKI RMZ 250 2020
SUZUKI RMZ 250 2019
Click on your bike to see all compatible parts.
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