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
| Nominal diameter | 43 mm |
| Manufacturer | Polini |
| Material | Gray cast iron |
| Displacement | 63 ccm |
| Crankshaft stroke | 43 mm |
| Surface | sandblasted |
| Ø piston pin (B) | 12 mm |
| Outlet type | clamped |
| Number of fixing points | 3 pcs |
| Decompressor | Yes |
| Camouflaged | No |
| Area of application | Tuning |
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 · Area of application: (Dis)assembly tool · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Number of components: 7 pcs
22,40 EUR
Polini 43 mm piston (12 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Ø outside piston (A): 42.92 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) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Weight: 84 g
90,10 EUR
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Bearing cage: Silver cage · Manufacturer: swiing® ingenious parts · Width: 14.2 mm · Ø outside: 15 mm · Ø inside: 12 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
13,40 EUR
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: blue galvanized · Diameter: 7.3 mm · Total length: 120 mm · Thread length: 20 mm · Thread length: 30 mm · Strength class: 10.9 · Thread type: M7x1 (standard thread)
5,50 EUR
Collection only possible with online purchase and appointment.
