150cc 57.4mm Big Bore Engine Kit Includes: 1 x 57.4mm Clinder Kit with Piston and Gasket Set for 125cc Engine Code XS1P52QMI Only, Not for GY6 Engine. XS1P52QMI is not GY6 engine, it is designed by Taiwan SYM. LAMBRETTA LAMBRETTA V125 Special 125 ie 4T euro 4 2019-> (XS1P52QMI-3C) PEUGEOT PEUGEOT DJANGO 150 4T euro 3 (XS1P57QMJ-2B) PEUGEOT LXR 125 4T LC euro 3 (MB) PEUGEOT TWEET 125 4T euro 3 PEUGEOT Speedfight 3 125 (4-stroke) SYM EURO MX 125 4T SYM FIDDLE III W4 125 4T euro 3 (XS1P52QMI-3B) SYM SYMPHONY ST W4 125 4T euro 3 (XS1P52QMI-3B) SYM SYMPHONY S 125 4T euro 3 (XS1P52QMI-4)