NOS genuine barrel cylinder, partnumber 12100-MC4-315.

Fits Honda XLR500 but i PRESUME also the XR500 1979, XR500R 1980 and XLS500 1978 (altough the colour is different in this case).

To doublecheck this prior purchasing.

This item is completely stock, never installed. Original packaging.

Maybe important too : optional i can deliver the NOS piston (size std) and the NOS pistonringset (std size), all genuine.

Ask your quote for inside EU shipping, for example to the Netherlands (20 eu).