High-quality Big Valve 4-flap diaphragm system for use with PHBG AS and CP carburetors on your Puch moped / moped.
The four-valve diaphragm provides your engine with plenty of torque and catapults your scooter between space and time in no time at all.
| Manufacturer | Polini |
| Camouflaged | No |
| Material | Aluminum, Plastic |
| Area of application | Tuning, Racing |
| Surface | glass bead blasted |
| Number of flaps | 4 pcs |
| Membrane material | Carbonite |
| Thick membrane platelets | 0.3 mm |
| Ø inside | 28.6 mm |
| Ø outside | 24 mm |
| Ø mounting hole | 5.2 mm |
| Mounting type | Screws |
| Number of fixing points | 4 pcs |
| Thread type | M5x0.8 (standard thread) |
| Puch | E50 ZA50 (fan-cooled) Z50 (X30 Sport) |
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