Housing for "Reed Valve" to mount the 12mm SSB carburetor on Sachs 50/2, 50/3, 50/4 models with a diaphragm cylinder.
The intake flange studs are already secured with Loctite.
Distance from the cylinder: 67 mm
Distance between stud bolts: 31 mm
Thread: M5
Note: A minor adjustment to the fan shroud may be necessary.