Malossi 190cc kit for your Vespa ET4, Italjet Torpedo 125, Vespa LX 150, LXV Vespa S, Derbi Boulevard, Aprilia Mojito 150 and more. If you're looking for more power out of your scooter (and you know you are), here is the answer. With 20% more power than stock, this is a must for any ET4 Vespa owner who has the need for speed. Get improved torque, top speed, and better acceleration. Kit includes cylinder, piston, rings, wrist pin/clips, gaskets, and installation instructions (all pictured is included in kit).