Throttle slide version: round piston d = 16mm with diaphragm CVK PD18J 139QMA 139QMB GY6 4-stroke 50ccm

Technical information

Throttle slide

can also be found at: Throttle slide, membrane, carburetor membrane, carburetor slide, carburetor membrane, carburetor slide, valve piston membrane

If you turns the throttle grip, the throttle slide is pulled up and the needle opens the way for the mixture in the carburettor. The mixture is sucked through the membrane into the cylinder by the vacuum of the piston.

This article fits many models, including:

Rex RS460 / BOSTON 8 Rex RS450 AGM GMX 450 Rex RS400 Baotian BT49QT Rex RS 450 Rex RS750 Rex Monza Rex Monza 50 Rex Milano 50 Rex Imola 50

The spare parts from this manufacturer have become Proven for years in daily use. The quality is raised to a maximum through constant exchange of experience

You can conveniently buy our spare parts for your scooter, motor scooter or scooter online in our shop. Regardless of whether you bought your scooter in a department store or in a hardware store, you will find suitable components for all common European, China or Taiwan scooters, especially for engines 50 cc, 125 cc, 250 ccm, 4-stroke, 2-stroke and for greater performance. Especially for the engine types 164FML, 139FMB, 157QMJ, 158MJ, GY6, 1E40QMB, 1E40QMA, 139QMB, 139QMA, JSD139QMB, 153FMI, 156FMI, 125-4T6M, 152QMI, 157QMI, 150QMG in short and long versions in the Euro2, Euro3, Euro1 as well as the new Euro 4 injection engines you will find spare parts of first class quality. 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. Please ask.