Cylinder kit 80cc 4T – 139QMA / 139QMB

Description

High-quality 80cc cylinder kit is designed for 139QMA and 139QMB four-stroke engines. It is an excellent upgrade or replacement for a worn or damaged original cylinder, providing increased displacement, improved torque, and reliable engine performance.

The kit is manufactured to precise specifications and allows easy installation on compatible engines.

Technical specifications

• Type: cylinder kit
• Displacement: 80 cc
• Engine type: four-stroke
• Engine: 139QMA / 139QMB
• Overall cylinder height: 71 mm
• Height without sleeve: 53 mm
• Outer sleeve diameter: 53 mm
• Diagonal mounting hole spacing: 71 mm
• Piston pin diameter: 13 mm
• Cam chain tensioner mounting hole spacing: 40 mm (M6)

Package contents

• Cylinder
• Piston
• Piston rings
• Piston pin
• Piston pin circlips
• Gasket set

Suitable for

• 139QMA 4T engines
• 139QMB 4T engines
• Scooters with 139QMA / 139QMB engines