This cast cylinder, which is supplied with the matching cylinder head, fits Piaggio Si, Bravo 2 and 3 as well as Grillo mopeds / mopeds.
Racing version from Polini. This cylinder is the revised version of the older 43mm cylinder kit from Polini.
Better timing and larger overflow channels make this racing cylinder even more powerful.
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.
Manufacturer: Polini · Ø cylinder: 41 - 43 mm · Area of application: Racing
Hole pattern [mm]: 55 x 34 · Manufacturer: Polini · Material: Gray cast iron · Surface: sandblasted · Displacement: 63 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 43 mm · Ø cylinder neck: 45.7 mm · Ø Outlet outside: 22.4 mm · Ø outlet inside: 18.1 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Decompressor: Yes · Camouflaged: No · Area of application: Tuning
| Nominal diameter | 43 mm |
| Manufacturer | Polini |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 63 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 45.7 mm |
| Ø Outlet outside | 22.4 mm |
| Ø outlet inside | 18.1 mm |
| Ø piston pin (B) | 12 mm |
| Outlet type | clamped |
| Number of fixing points | 3 pcs |
| Hole pattern [mm] | 55 x 34 |
| Decompressor | Yes |
| Camouflaged | No |
| Area of application | Tuning |
| Piaggio | Si Bravo / Super Bravo Grillo |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Number of components: 7 pcs · Area of application: (Dis)assembly tool
CHF 19.90
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) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Piston weight: 84 g
CHF 79.90
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Ø outside: 15 mm · Ø inside: 12 mm · Width: 14.2 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony OEM number: A4222 · Tomos OEM number: 035548 · Alternative version of the Sachs OEM number: 0232 157 001
CHF 11.90
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Diameter: 7.3 mm · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: galvanized (blue) · Thread length: 20 mm · Thread length: 30 mm · Strength class: 10.9 · Total length: 120 mm · Thread type: M7x1 (standard thread)
CHF 4.90
Moped fans also bought
swiing® revival nozzle set M5 (70 - 92) Dell'Orto SHA, PHBG
Drive: Slot · Manufacturer: swiing® revival parts · Component group Carburetor: Spraying · Material: Brass · Quantity: 10 pcs · Carburetor type: PHBG · Carburetor type: SHA · Carburetor type: SHA (Piaggio) · Nozzle type: Main nozzle · Total length: 8 mm · Nozzle thread: M5x0.8 (standard thread) · Nozzle size: 70 · Nozzle size: 72 · Nozzle size: 75 · Nozzle size: 78 · Nozzle size: 80 · Nozzle size: 82 · Nozzle size: 85 · Nozzle size: 88 · Nozzle size: 90 · Nozzle size: 92
CHF 20.90
Cable set black | Piaggio Ciao, SI, Bravo, Boxer
Ø Stranded wire: 1.25 mm · Ø Stranded wire: 1.5 mm · Ø Stranded wire: 1.8 mm · Nipple shape: Ball · Nipple shape: Barrel (transverse) · Nipple shape: Pears · Manufacturer: Made in Germany · Material: Steel · Color: black · Quantity: 4 pcs · Outer shell length: 1200 mm · Outer shell length: 1250 mm · Outer shell length: 1300 mm · Total length: 1350 mm · Total length: 1600 mm · Outer shell length: 2000 mm · Total length: 2180 mm
CHF 19.90
Collection only possible with online purchase and appointment.
