The secondary air system - SLS for short - is activated in the engine after a cold start. It reduces the exhaust gas components HC and CO in the warm-up phase.

You can buy our spare parts for your scooter or scooter conveniently online in our shop. Regardless of whether you bought your scooter in a hardware store or in a department store, you will find suitable components for all common European, Taiwan or China scooters, especially for engines 50 cc, 125 cc, 250 ccm, 2-stroke, 4-stroke and for greater performance. Especially for the engine types 139QMB, 139QMA, JSD139QMB, 152QMI, 157QMI, 139FMB, 157QMJ, 158MJ, GY6, 1E40QMB, 1E40QMA, 150QMG, 153FMI, 156FMI, 125-4T6M, 164FML in short and long versions in the Euro2, Euro3, Euro1 as well as the new Euro 4 injection engines you will find high quality spare parts. You are also welcome to inquire about spare parts by email. For orders over 100 euros, you can also use our hire purchase or financing service. When purchasing vehicles, we can also make you a leasing offer, which is particularly useful for companies that purchase company vehicles or provide their employees with a vehicle. We look forward to your inquiry.