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

Technical info

Exhaust valve

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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.

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Our spare parts for your scooter or scooter you can easily buy it 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 engine types 139QMB, 139QMA, JSD139QMB, GY6, 125-4T6M, 164FML, 153FMI, 156FMI, 139FMB, 152QMI, 157QMI, 150QMG, 1E40QMB, 1E40QMA, 157QMJ, 158MJ in short and long versions in the 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. We look forward to your inquiry.