The MHR Racing Diaphragm Blocks offer you a larger inlet area and an optimized flow pattern. This means there is no throttle in the inlet and the cylinder charge increases. This also increases the performance. There you see: Developed for the racing engines of the Malossi Werksracer and successfully tested on the race track.
The diaphragm brings performance and reliability. Thanks to the very high quality selected materials: The housing is made of a FKM-coated aluminium- silicon alloy. Thanks to the vulcanized surface, an optimal sealing of the platelets is guaranteed. So even with really big carburettors there is no pressure reduction in the crankcase.
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Membrane platelets
Strength tile 1
0.1 mm
Material
Carbon
Number of screws per plate
2
 
Membrane blocks
Design
flach
Membrane body material
Aluminium
Rubberized membrane body
Ja
Number of fixing holes
4
Hole stitch
54 x 32mm
Outer dimension flange plate
67 x 48mm
Internal dimension flange plate
34 x 32mm
Flange plate thickness
11,5mm
Insertion depth
12,0mm
Stops for membrane plates
ja
Number of membranes
2
Stuffer included in the scope of delivery
nein
Seal included in the scope of delivery
ja
Spacer included in the scope of delivery
nein
Replacement plates included in the scope of delivery
nein
 
OEM numbers (for comparison purposes only)
Scooter Center:
M277440
Malossi:
277440.C0, M277440.C0