Naraku 09311136 Cylinder-piston kitRef : NARK00082A / 09311136

NARAKU 70 cm³ cylinder kit (manufacturer reference NK102.47.2) designed for air-cooled Piaggio engines. This V.2 cast iron kit provides a robust solution to increase the displacement of your 50 cm³ scooter to 70 cm³, suitable for urban use and for riders seeking a reliable setup for daily commuting.

• Construction: robust cast iron cylinder, suitable for urban constraints.
• Piston: molybdenum coating to protect during the running-in period; this coating dissolves after a few hours of use.
• Exhaust compatibility: suitable for both original and sports exhausts.
• Fuel supply: if you keep the original carburettor, expect an increase in jet sizing of about 7–10% (indicative value). The use of a sport carburettor of 17.5–19 mm is recommended for optimal tuning.
• Supplied: with a set of gaskets. The original cylinder head can be reused; however, a specific 70cc cylinder head is recommended (sold separately).

Ideal for urban scooters such as APRILIA SR 50 MT, VESPA SPRINT 50 2T, and PIAGGIO FLY 50 2T. The supplied content matches the product photo. No adjustments or adaptations not listed are provided by the manufacturer — consult a qualified workshop for installation and final tuning.