38.40 mm oversize piston with an L-shaped piston ring with internal circlip (IS) and a rectangular piston ring with flank circlip (FS) for all Piaggio mopeds / mopeds.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their stems and locking types on the legend in the images.
The tuning piston is used for bored and honed cylinders.
The piston kit contains piston pins, piston clips and piston rings.
You will find the appropriate installation tools, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Made by the Italian brand Olympia.
Details
| Manufacturer | Olympia |
| Ø outside piston (A) | 38.34 mm |
| Ø piston pin (B) | 10 mm |
| Compression height (C) | 26.4 mm |
| Curvature (D) | 3.6 mm |
| Total piston height (E) | 51.9 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 38.4 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
Suitable for the following models
| Piaggio | Ciao - Ciao, Ciao, Ciao, Ciao Si Bravo/Superbravo Boxer Grillo |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Area of application: (Dis)assembly tool · Material: Steel · Surface: burnished · Number of components: 7 pcs · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm
CHF 19.90
CHF 29.90
Olympia 38.4 mm cylinder kit 10 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 38.4 mm · Manufacturer: Olympia · Material: Gray cast iron · Surface: varnished · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 46 mm · Ø Outlet outside: 22.4 mm · Ø outlet inside: 17.6 mm · Ø piston pin (B): 10 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Hole pattern [mm]: 55 x 34 · Decompressor: Yes · Camouflaged: No · Area of application: Tuning
CHF 132.90
Collection only possible with online purchase and appointment.
