39.75mm - Übermaß-Kolben komplett, neu

39.75mm - Oversize-piston complete (VeloSoleX - Black'n Roll S4800), new

Pistons with 2 piston rings 39.75mm, piston pin and 2 snap rings. Height 50.00mm - Diameter 39.75mm - with lock for the piston rings.

NOTE:
The piston must be installed with the arrow in the direction of the carburettor. Entry time at least 200km with a mixing ratio of 1:30.

Suitable for the VeloS-models from year 1956: 1400, 1700, 2200, 3300, 3800, the VeloS-models Impex S 3800 and Roland Garros (Hungary from year of production 1993 to 2004 with plastic handles), 4600 (export USA), Black'n Roll S4800, 5000 (also Dutch), Flash, 6000, Dutch oto/ami, Micron and the model Black'n Roll S4800.

The VeloS-models before the year 1956 have a nasal piston.

NOTE:
For the cast cylinder.