RB Max 125cc Cylinder Kit Piaggio (M455M) engines up to model year 2016, e.g., Vespa GTS 125, Aprilia SR 125

The RB MAX cylinder kit is a high-quality standard replacement cylinder for Piaggio 125cc 4-stroke liquid-cooled scooter engines manufactured up to . The kit matches the original cylinder in terms of performance and characteristics and is ideal for a reliable engine rebuild without a power increase.

The gray cast iron cylinder offers solid heat resistance and a long service life in everyday use. The matched piston with a 15 mm piston pin ensures smooth and stable engine operation. Thanks to the included gasket set, the kit is ideal for a complete overhaul of the upper engine area.

The original cylinder head can still be used, enabling a simple and cost-effective repair.

Technical Specifications

• Manufacturer: RB MAX
• Product: Cylinder kit
• Engine: Piaggio (M455M) LEADER 125 4T LC
• Bore: Ø57 mm
• Stroke: 48.6 mm
• Displacement: approx. 124 cc
• Compression ratio: 12.0–13.0:1
• Power: approx. 15 hp at 9700 rpm
• Material: Gray cast iron
• Piston pin: Ø15 mm
• Cooling: liquid-cooled
• Design: Standard (OEM-like)
• OEM comparison numbers: 1A007784; 828462; 830051; 840096; 840566; 848134; 876605; 880558; AP8176280; AP8580043; AP8590011;

Fits:

• Aprilia Atlantic / SR Max / Scarabeo / Sportcity 125–250
• Derbi GP1 / Rambla 125
• Gilera Nexus / Runner 125
• Piaggio Beverly / Carnaby / MP3 / X7 / X8 / X9 / X10 / X Evo 125
• Vespa GT / GTS 125

Contents

• 1 × Cylinder
• 1 × Piston incl. rings, pins, and clips
• 1 × gasket set