This cast iron cylinder, which is supplied with the matching cylinder head, fits Piaggio Si, Bravo 2 and 3 as well as Grillo mopeds / mopeds.
Excellent workmanship and durability, combined with an exceptional price-performance ratio make this cylinder one of the most popular on the market.
The piston pin has a diameter of 12 mm.
We can also offer you this cylinder kit without cylinder head, or with 10 mm piston pin diameter.
Quality product from the Italian manufacturer Polini.
The set includes the following fixed parts:
Manufacturer: Polini · Ø cylinder: 41 - 43 mm · Area of application: Racing
Manufacturer: Polini · Material: Gray cast iron · Surface: sandblasted · Displacement: 63 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 43 mm · Ø cylinder neck: 45.8 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Decompressor: Yes · Camouflaged: No · Area of application: Tuning · Ø Outlet outside: 22.6 mm · Ø outlet inside: 18.4 mm · Hole pattern [mm]: 55 x 34
Details
| Manufacturer | Polini |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 63 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 43 mm |
| Ø piston pin (B) | 12 mm |
| Area of application | Tuning |
| Outlet type | clamped |
| Decompressor | Yes |
| Camouflaged | No |
| Number of fixing points | 3 pcs |
Suitable for the following models
| Piaggio | Si Bravo/Superbravo Grillo |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Area of application: (Dis)assembly tool
EUR 22,40
Polini 43 mm piston (12 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Ø outside piston (A): 42.92 mm · Ø piston pin (B): 12 mm · Compression height (C): 26.55 mm · Curvature (D): 2.5 mm · Total piston height (E): 50.4 mm · Number of piston rings (F): 2 pcs · Nominal diameter: 43 mm · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Weight: 84 g
EUR 90,10
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing cage: Silver cage · Manufacturer: swiing® ingenious parts · Bearing type: Needle roller and cage assembly · Ø inside: 12 mm · Ø outside: 15 mm · Width: 14.2 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony Spare part no.: A4222 · Alternative version of Sachs spare part no.: 0232 157 001 · Tomos spare part no.: 035548
EUR 13,40
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: blue galvanized · Thread type: M7x1 (standard thread) · Diameter: 7.3 mm · Total length: 120 mm · Strength class: 10.9 · Thread length: 20 mm · Thread length: 30 mm
EUR 5,50
Collection only possible with online purchase and appointment.
