Cylinder Kit RMS 50cc – Piaggio LC 5-Sided (2000–)

Description

The high-quality RMS 50cc cylinder kit is an excellent replacement for the original cylinder on liquid-cooled Piaggio 50cc 2T engines with a 5-sided (pentagonal) cylinder design. It is made from high-quality grey cast iron, ensuring a long service life, excellent heat dissipation, and the possibility of re-honing in case of wear.

The kit is intended for engine rebuilding when the cylinder is worn, the piston is damaged, or compression has been lost. It includes all the components required for installation.

Important: The cylinder is designed for engines with a 5-sided cylinder head, therefore the existing cylinder head must also be of the correct type.

Technical specifications

• Manufacturer: RMS
• Type: standard cylinder kit
• Displacement: 50 cc
• Cylinder material: grey cast iron
• Cooling: liquid-cooled (LC)
• Cylinder diameter: 40 mm
• Stroke: 39.3 mm
• Piston pin diameter: 12 mm
• Version: 5-sided (pentagonal) cylinder

Kit contents

• Cylinder
• Piston
• 2× piston rings
• Piston pin
• 2× piston pin circlips
• Gasket set (base gasket, exhaust gasket, and O-rings)

Suitable for

• Aprilia SR 50 LC
• Aprilia SR R Factory 50
• Aprilia SR Street 50
• Derbi GP1 50
• Gilera DNA 50
• Gilera Runner SP 50
• Gilera Runner Purejet 50
• Piaggio NRG MC3 50
• Piaggio NRG Power DD 50
• Piaggio NRG Power Purejet 50
• Piaggio Zip SP 50
• Other liquid-cooled Piaggio 50cc 2T engines with a 5-sided cylinder

Advantages

• Excellent replacement for the original cylinder
• High-quality grey cast iron for long service life
• Original 50 cc displacement
• Perfect fit without modifications
• Suitable for standard engines
• Includes all required installation components
• Excellent price-to-quality ratio

Recommendation

• Before installation, we recommend inspecting or replacing the piston needle bearing, thoroughly cleaning the sealing surfaces, and checking the correct installation of the piston rings and piston pin circlips. For reliable operation, replacing the oil pump belt (if fitted) is also recommended.

The RMS 50cc cylinder kit is an excellent choice for rebuilding Piaggio 50cc 2T LC engines with a 5-sided cylinder, providing original performance, reliable operation, and a long service life.