First-class racing kit with 64 cc displacement – the preferred choice of many racers with Puch mopeds / mopeds.
The cylinder fits your Maxi with E50 engine or X30 Sport with Z50 engine, among others.
In combination with the supplied 2-valve reed valve system, the racing cylinder will give you plenty of torque even from low revs. Thanks to the use of a single piston ring, the tuning cylinder is also extremely high revving and aggressive. The performance often exceeds that of 45 mm cylinder heads. The workmanship is high quality and the nickel-silicon carbide coating (also known under the trademarked brand name Nikasil®) ensures durability and longevity.
Version 2.0: The piston now has lubrication slots on the inlet side. These slots enable an improved lubricant flow and help to reduce friction and improve heat dissipation. For the first time, Polini is also supplying its own matching cylinder head.
In addition to the cylinder head, the scope of delivery also includes the piston, clips, bolts and a piston ring. The base gasket and head gasket as well as the complete diaphragm system are also included.
Details
| Manufacturer | Polini |
| Material | Aluminum |
| Camouflaged | No |
| Surface | Nickel silicon carbide (known as Nikasil®) |
| Displacement | 65 ccm |
| Nominal diameter | 43.5 mm |
| Area of application | Tuning, Racing |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 12 mm |
| Ø cylinder neck | 48 mm |
| Ø outlet inside | 22 mm |
| Inlet window | 26 x 21 |
| Hole spacing inlet | 32 mm, 39 mm |
| Number of fixing points | 4 pcs |
| Thread inlet | M5x0.8 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Hole spacing outlet | 42 mm |
| Outlet type | straight |
| Thread outlet | M6x1 (standard thread) |
Suitable for the following models
| Puch | E50 ZA50 (fan-cooled) Z50 (X30 Sport) |
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Collection only possible with online purchase and appointment.
