Athena 110cc 55mm Cylinder Kit – Honda MBX80 / MTX80R / NSR80

The Athena 110cc 55mm cylinder kit is a high-performance upgrade for Honda MBX80, MTX80R and NSR80 engines.

With a 55 mm bore, this kit increases displacement to approximately 110cc, delivering significantly more power and torque compared to the standard 80cc cylinder.

Known for its excellent build quality and reliable performance, this Athena cylinder is ideal for sporty street use or performance-oriented builds.

Technical specifications:

• Brand: Athena
• Application: Honda MBX80 / MTX80R / NSR80
• Displacement: 110cc
• Bore: 55 mm
• Tuning level: Sport / Performance

Supplied including:

• 55mm cylinder
• Piston
• Piston rings
• Wrist pin
• 2x Wrist pin clips
• Gasket set

Spare parts:

Piston:

Athena 55mm Honda 110cc Piston

Piston ring set:

Athena 55mm Honda 110cc Piston Ring Set

Gasket set:

Athena 55mm Honda MBX 110cc Gasket Set

Also known as Athena 110cc Honda MBX80 cylinder kit, Athena 55mm MTX80R upgrade, NSR80 110cc big bore kit or Athena Honda 80 to 110cc conversion.