Bladed 45 mm (70 cc) cylinder kit with 12 mm piston pin, suitable for your Puch X30 Velux and on your Puch X30 NG-2AH moped / moped.
The timing of the cylinder was kept rather low, which is characterized by a very nice torque in the lower speed range.
The racing cylinder kit without sealing includes cylinder & piston kit.
- Grey cast iron reproduction cylinder with & 45.0 mm bore
- Slot-controlled
- Ø 19 mm intake, 32 mm stud spacing
- Optimized overflow channels
- Improved timing
- Spindling of the engine gearbox necessary (Ø cylinder neck 49.0 mm)
- Ø 25 mm outlet, 42 mm stud bolt spacing
- Hole pattern for stud bolts: 44 x 44 mm
- Incl. Ø 45 mm piston from the Italian manufacturer GOL
Scope of delivery according to illustrations
Notes:
For the Puch Velux engines, the slot on the housing no longer needs to be cast on thanks to the large sealing surface.
For ZA50-G engines, the housing may need to be spindled on.
The cylinder kit can also be used on DS, MV, MS, VZ (EX50) engines, provided that the housing is spindled on.
Full installation instructions are enclosed.
| Nominal diameter | 45 mm |
| Manufacturer | BAD ASS |
| Material | Gray cast iron |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 49 mm |
| Ø Outlet outside | 26 mm |
| Ø outlet inside | 25 mm |
| Ø Inlet inside | 19 mm |
| Hole spacing inlet | 32 mm |
| Hole pattern [mm] | 44 x 44 |
| Thread inlet | M6x1 (standard thread) |
| Ø piston pin (B) | 12 mm |
| Outlet type | straight |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Number of fixing points | 4 pcs |
| Area of application | Tuning |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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