Top Performances Black Trophy - Big Bore Cylinder-piston kitRef : TPF00186A / 1127350

Big Bore Cylinder Kit TOP PERFORMANCES Black Trophy, designed for 50cc scooters and urban use. This kit includes the necessary parts and gaskets to increase displacement while maintaining compatibility with modern 50cc machines.

• Kit contents:
• 1 cylinder Ø 47 mm made of special "Minacrom" cast iron (chrome additive)
• 1 piston Ø 47 mm with high silicon content (molybdenum disulfide surface treatment)
• 1 upper ring Ø 47 mm chrome-coated
• 1 lower ring Ø 47 mm
• 1 piston pin Ø 10 x 38 + 2 circlips
• 1 cylinder head + 2 head gaskets
• 1 cylinder base gasket

• Technical specifications:
• Bore: 47 mm
• Stroke: 39.2 mm
• Displacement: 68 cc
• Compression ratio: 1:12.5
• Piston compression: High compression
• Piston material: aluminum alloy with high silicon content

Compatible with several urban 50cc scooters (e.g., MBK Ovetto 2T One 2018, Yamaha NEO'S 50 SA45 2013, Beta Ark 50 AC 2008). Installation and adjustments should be performed by a mechanic or experienced DIYer. Manufacturer reference: 9931340.