Fan-cooled 38 mm cylinder kit with a 12 mm piston pin. This reproduction cylinder is equipped with a seal, which is why it can be used as an original cylinder.
Compatible with Puch X30 Velux and Puch X30 NG-2AH / NG-2A mopeds.
Note: Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust on the exhaust side.
Caution: For Velux engines, the small slot at the sealing surface must be filled with casting material to ensure the cylinder kit is airtight.
We recommend using Wekem 2K liquid metal, which can be found in the accessories section.
A good, affordable standard replacement part. GPO – GOOD PARTS ONLY.
Hole pattern [mm]: 44 x 44 · Manufacturer: GPO · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 38 mm · Thread inlet: M6x1 (standard thread) · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Decompressor: No · Camouflaged: No · Area of application: Tuning
Nominal diameter: 38 mm · Ø outside piston (A): 37.95 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.9 mm · Curvature (D): 3.2 mm · Total piston height (E): 50.1 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 2 mm · Weight piston kit: 74 g
| Puch | Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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