Stage6 Streetrace 77cc Replacement Piston (Size B)

Replacement piston designed for Stage6 Streetrace 77cc cylinders used on Minarelli AM6 and Derbi engines. This piston corresponds exactly to the original piston supplied in the Streetrace kits and is intended for maintenance or rebuilds.

Compatibility :

• Minarelli AM6
  
• Derbi Euro 2 / Euro 3

Specifications :

• Piston type : 2-stroke replacement piston
• Size : B
• Diameter : 50 mm
• Piston rings : 2x
• Piston pin : 12 mm
• Includes : 2x C-type circlips

Maintenance notes : Piston rings should typically be checked and replaced every ~5,000 km depending on use and setup.

Always replace cylinder gaskets when installing a new piston.

Replacement interval depends on riding style, tuning level, carburetion, and lubrication quality.