Aluminum piston cylinder Ø39 mm square engine AV7 Airsal

High engine square aluminum engine AV7 Airsal

New complete piston liner kit adaptable for moped, moped 50cc Motobécane AV 85, AV 88, AV 89... with AV7 engine. Also remember to replace the piston pin needle cage of dimension 13x16x14 mm which is not supplied in the high engine kits (this bearing is sold separately).

This piston cylinder block kit includes

• 1 x cylinder block
• 1 x piston
• 1 x set of piston rings
• 2 x circlips
• 1 x gudgeon pin
• 2 x intake pipe studs

Technical characteristics and dimensions of the cylinder block kit

• Mark: Airsal
• Cylinder material: aluminum
• Piston diameter: 39 mm
• Piston pin diameter: 13 mm
• Stud Thread Diameter: 6 mm
• No threading: 1.00
• Center distance fixing holes intake pipe: 45 mm