38.4 mm original Italian cylinder for your Piaggio Ciao or Si moped with a catalytic converter. The cast cylinder with a 10 mm piston pin (axe 10) comes complete with a cylinder and piston kit.
This cylinder can be installed on Swiss mopeds as a disguised, lightweight tuning cylinder.
Outer diameter of exhaust flange: 22.5 mm
; Cylinder bore diameter: 38.4 mm
; Piston pin diameter: 10 mm
Scope of delivery as shown in Figure 1.
Note: Please observe the installation direction during assembly. The piston is inserted with the arrow pointing toward the exhaust on the exhaust side.
You can find corresponding components such as gaskets, cylinder head, spark plug, etc., in the accessories section.
Genuine Piaggio replacement part. NOS – New from old stock.
Original Piaggio part number: 249711
| Nominal diameter | 38.4 mm |
| Manufacturer | Piaggio |
| Area of application | Original |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 45.8 mm |
| Ø Outlet outside | 22.3 mm |
| Ø outlet inside | 16.5 mm |
| Ø piston pin (B) | 10 mm |
| Decompressor | Yes |
| Outlet type | clamped |
| Number of fixing points | 3 pcs |
| Hole pattern [mm] | 35 x 55 |
| Piaggio | Ciao - PX , C24 Si |
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