to article: Exhaust valve 16x64x4.9mm 4-stroke 50ccm 139QMA 139QMB YYGY0500303

Outlet valve 16 x 64 x 4.9mm 4-stroke 50 ccm 139QMA / QMB JSD139QMB

Technical info

Exhaust valve

engine valve, exhaust valve, engine valve, valve, exhaust valve, exhaust valve , Outlet valve

Valves are mechanically and thermally highly stressed components. They are also exposed to corrosive influences. The mechanical stresses arise when the valve disc deflects under ignition pressure, due to hard contact when closing and due to inertia forces due to high accelerations.

This article fits many models, including:

AGM GMX 450 ZX50QT-7A, AGM GMX 450 Sport JSD50QT-13, AGM GMX 50, AGM GMX 450 One JSD50QT-13, AGM GMX 50 One JSD50QT-13, AGM GMX 50 Sport JSD50QT-13, AGM GMX 550, AGM GMX 550 ZX50QT-7B, Baotian BT49QT 11 Retro 50, Baotian BT49QT-12C1 Rebel 50,

The spare parts from this manufacturer have proven themselves in daily use for years. The quality is raised to a maximum through constant exchange of experiences.

OEM quality very good workmanship in stock low price because direct import

Our spare parts for yours You can easily buy scooters or motor scooters 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 Taiwan, Europe or China scooters, especially for the engines 50 cc, 125 cc, 250 ccm, 2-stroke, 4-stroke and for greater performance. Especially for the motor types 164FML, 157QMJ, 158MJ, GY6, 125-4T6M, 150QMG, 153FMI, 156FMI, 139FMB, 139QMB, 139QMA, JSD139QMB, 152QMI, 157QMI, 1E40QMB, 1E40QMA in short and long versions in the standards Euro2, Euro1, 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 financing or hire purchase 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.

AGM GMX 450 One JSD50QT-13 AGM GMX 450 Sport JSD50QT-13 AGM GMX 450 ZX50QT-7A AGM GMX 50 AGM GMX 50 One JSD50QT-13 AGM GMX 50 Sport JSD50QT-13 AGM GMX 550 AGM GMX 550 ZX50QT-7B Baotian BT49QT-12C1 Rebel 50 Baotian BT49QT-12C1 Warrior 50 Baotian BT49QT-12D1 Hero 50 Baotian BT49QT-12E1 Rocky 50 Baotian BT49QT-12F1 Tanco 50 Baotian BT49QT-2 Big Panther 50 Baotian BT49QT-20A2 Land flyer Baotian BT49QT-21B1 Classico Victoria 50 Baotian BT49QT-7A1 SMART RIDER 50 Baotian BT49QT-9D1 Baotian BT49QT-9F3 Eagle 50 Giantco Sprint 50 Giantco Venus Jonway 139QMB Jonway Boston 8 Mofaroller Jonway Imola 50 Race/Urban Jonway Jigger 50 City Jonway Milano 50 JONWAY Rex RS 500 Jonway Unser Norden Mofaroller Jonway Unser Norden Mokickroller Kreidler Jigger 50 City Kreidler MONACO 50 Race / Urban Kreidler MONZA 50 Race / Urban (Fin: WS1 od. L8Y) Kreidler RS 500 Rex RS 450 Rex RS 460 BOSTON 8 Rex RS 500 QM50QT 6A-AQINGQI Rex RS 600 QM50QT-2 Rex RS 700 QM50QT-10A Rex RS 750 Rex RS 900 QM50T 10A-A Rex RS Classic 50