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.
The set includes the following fixed parts:
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
Details
Nominal diameter | 43 mm |
Manufacturer | Polini |
Area of application | Tuning |
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 |
Suitable for the following models
Piaggio | Si Bravo / Super Bravo 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
EUR 23,00
Polini 43 mm piston (12 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Nominal diameter: 43 mm · 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 · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Piston weight: 84 g
EUR 92,30
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Bearing cage: Silver cage · Dimension needle bearing: 12/15 x 14.2 · Ø inside: 12 mm · Ø outside: 15 mm · Manufacturer: swiing® ingenious parts · Width: 14.2 mm · Alternative version of the Pony OEM number: A4222 · Alternative version of the Sachs OEM number: 0232 157 001 · Tomos OEM number: 035548
EUR 13,70
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: galvanized (blue) · Diameter: 7.3 mm · Thread type: M7x1 (standard thread) · Total length: 120 mm · Thread length: 20 mm · Thread length: 30 mm · Strength class: 10.9
EUR 5,65
Moped fans like you also bought:
swiing nozzle set M5 (70 - 92) Dell'Orto SHA, PHBG
Manufacturer: swiing · Component group Carburetor: Spraying · Material: Brass · Quantity: 10 pcs · Carburetor type: PHBG · Carburetor type: SHA · Carburetor type: SHA (Piaggio) · Nozzle type: Main nozzle · 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 · Total length: 8 mm · Drive: Slot
EUR 24,10