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 10 mm.
We can also offer you this cylinder kit without cylinder head, or with 12 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): 10 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 |
Material | Gray cast iron |
Camouflaged | No |
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) | 10 mm |
Hole pattern [mm] | 55 x 34 |
Number of fixing points | 3 pcs |
Outlet type | clamped |
Area of application | Tuning |
Decompressor | Yes |
Suitable for the following models
Piaggio | Si Bravo / Super Bravo Grillo |
Accessories & related products
Polini piston 43 mm (10 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Nominal diameter: 43 mm · Ø outside piston (A): 42.94 mm · Compression height (C): 26.4 mm · Curvature (D): 2.55 mm · Total piston height (E): 50.5 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 · Ø piston pin (B): 10 mm · Piston weight: 83 g
EUR 93,80
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 5,75
Moped fans like you also bought:
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Cable length: 2200 mm · Area of application: Standard
EUR 2,80
Magura gas cable clamp / deco cable clamp Ø 5 x 6 mm
Manufacturer: Magura · Material: Brass · Material: Steel · Surface: nickel-plated · Number of components: 2 pcs · Drive: Slot · Thread type: M4x0.7 (standard thread) · Ø Cable bushing: 1.6 mm · Thread length: 4 mm · Total length: 6 mm · Screw head: Lens head · Ø outside: 5 mm
EUR 2,35
CIF Clamping screw front brake | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: CIF · Material: Steel · Surface: galvanized (blue) · Number of components: 6 pcs · Drive: External hexagon · Thread type: M7x1 (standard thread) · Thread length: 19.5 mm · Total length: 25 mm · Screw head: Hexagon · Width across flats SW: 11 mm · Ø outside: 11 mm · Area of application: Standard
EUR 4,60
Dell'Orto 13/13 SHA carburetor | Piaggio SI, Boss, Grillo
Material: Aluminum · Manufacturer: Dell'Orto · Camouflaged: No · Component group Carburetor: Carburetor complete · Carburetor type: SHA (Piaggio) · Nominal diameter: 13 mm · Ø Internal connection: 16 mm · Ø without reducing sleeve: 18 mm · Color: black · Ø Inside entrance: 13 mm · Total length: 55 mm · Ø Output inside: 13 mm · Width: 60 mm · Ø Air filter connection: 50.8 mm · Height: 118 mm · Ø fuel hose connection: 5.2 mm · Ø fuel hose connection: 6 mm · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Nozzle size: 66 · Mounting type: Plug connection clamped · Area of application: Tuning
EUR 82,10