Piston WM HQ – 50 cc (40×10 mm) for Minarelli Horizontal / Vertical

High-quality (HQ) piston from WM, designed for Minarelli Horizontal and Minarelli Vertical engines. This is an upgraded, more durable version that provides increased wear resistance, improved sealing, and longer service life compared to basic models.

It is suitable for standard 50 cc cylinders and is an excellent choice for quality engine rebuilds or preventive maintenance.

Specifications:

• Piston diameter: 40 mm

• Wrist pin diameter: 10 mm

• Displacement: 50 cc

• Fits: Minarelli Horizontal / Vertical 2T

• Quality: HQ – enhanced, higher quality

• Brand: WM