Minarelli Vertical Pistons Yamaha BWS'R 50 2-Stroke 1988-2001 (5)

Includes: piston, ring, pin and circlips (X2). Piston with a diameter of 47mm. Used originally on the Polini Sport Fonte engine kit. Included: piston, ring, pin and circlips (X2). Piston...

Replacement piston for the Polini Sport 70cc cylinder kit. Replacement piston for the Polini Sport 70cc cylinder kit.

Includes: piston, ring, pin and circlips (X2). Two-ring piston with a diameter of 47mm. Originally used on the Polini Corsa engine kit. Included: piston, ring, pin and circlips (X2). Two-ring...

Segment required for reassembling a Polini Sport 70cc cylinder. Diameter : 47mm, Contains: 1 Segment. Segment needed for reassembling a Polini Sport 70cc cylinder. Diameter: 47mm, Contains: 1 Segment.

Pair of segments required for reassembling a Polini Corsa 70cc cylinder. Sold individually. Diameter : 47x1.2 mm, Contains: 1 Segment. Pair of segments required for the reassembly of a Polini...