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- PIAGGIO LC 125 Cylinder, Ø=52.0 mm, for Vespa GTS / GTS Super 125 (2016–2022) and Piaggio Medley 125 (2016–2022)
The genuine Piaggio cylinder with part number 1A015138 is designed for the liquid-cooled 125cc IGET engines used in selected Vespa GTS, Vespa GTS Super and Piaggio Medley models. It features a standard cylinder bore of 52.0 mm and is used during engine repairs when the existing cylinder assembly needs to be replaced due to wear or damage.
As a central component of the crank mechanism, the cylinder ensures precise guidance of the piston. Together with the piston and its piston rings, the machined cylinder bore provides the basis for sealing the combustion chamber. At the same time, the cylinder must reliably transfer the heat generated during combustion to the cooling system.
IGET stands for Italian Green Experience Technology and refers to an engine generation developed by Piaggio. The 125cc engine used here is a liquid-cooled, single-cylinder four-stroke engine with electronic fuel injection, four valves and an overhead camshaft.
With a bore of 52.0 mm and a stroke of 58.7 mm, the engine has a displacement of approximately 125cc. The designation LC stands for Liquid Cooled and identifies the liquid cooling system. Coolant circulates through the corresponding passages in the engine and carries heat away from the cylinder area. This design supports consistent temperature control during operation.
The genuine Piaggio cylinder is designed to match the constructional dimensions of the specified IGET engines. The cylinder bore must guide the piston with the intended running clearance while providing a suitable surface for the piston rings. Correct matching of these components is essential for compression, lubrication and reliable engine operation.
The liquid-cooled design incorporates coolant passages around the cylinder. The cylinder is connected to the crankcase and cylinder head through the designated mating and sealing surfaces. During installation, particular attention must be paid to the correct positioning of the gaskets and ensuring that the coolant passages remain unobstructed.
The Piaggio part numbers 1A015138 and 1A0067725 are listed in spare parts catalogues for the corresponding cylinder and piston assembly. As different component versions and spare part generations exist within the IGET engine family, the exact application should be checked against the vehicle identification number and the vehicle-specific spare parts catalogue before ordering.
During engine repairs, the condition of the piston, piston rings and cylinder bore must be considered, along with the specified dimensional and selection classes. The cylinder base gasket must also be used in the thickness specified by the manufacturer. Different gasket thicknesses may be required to achieve the correct geometric relationships within the engine.
Before installation, the sealing surfaces and coolant passages must be cleaned and inspected for damage. Assembly must be carried out in accordance with the vehicle-specific Piaggio workshop instructions, observing the specified tightening torques. After reassembly, the cooling system must be properly filled and bled.
The genuine Piaggio cylinder allows the standard cylinder geometry to be professionally restored in the listed 125cc IGET engines. It is therefore suitable as a replacement part for engine repairs where the original technical dimensions are to be maintained.
