This cast iron cylinder, which is supplied with the matching cylinder head, is suitable for Piaggio Si, Bravo 2 and 3 as well as Grillo 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 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.
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: 45.8 mm · Ø Outlet outside: 22.6 mm · Ø outlet inside: 18.4 mm · Ø piston pin (B): 10 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Decompressor: Yes · Camouflaged: No · Area of application: Tuning
| Nominal diameter | 43 mm |
| Manufacturer | Polini |
| Number of fixing points | 3 pcs |
| Material | Gray cast iron |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 63 ccm |
| Crankshaft stroke | 43 mm |
| Area of application | Tuning |
| Ø piston pin (B) | 10 mm |
| Outlet type | clamped |
| Decompressor | Yes |
| Piaggio | Si Bravo / Super Bravo Grillo |
Accessories & related products
Polini piston 43 mm (10 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 43 mm · Manufacturer: Polini · 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) · Ø piston pin (B): 10 mm · Piston ring height: 1.5 mm · Piston weight: 83 g
EUR 93,70
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Material: Steel · Surface: galvanized (blue) · Manufacturer: swiing® ingenious parts · Total length: 120 mm · Diameter: 7.3 mm · Thread type: M7x1 (standard thread) · Strength class: 10.9 · Thread length: 20 mm · Thread length: 30 mm
EUR 5,75
Moped fans also bought
GPO flywheel trigger M26x1.5 / M22x1.5 | Puch, Sachs, Beta 521
Width across flats (trigger): 27 mm · Manufacturer: GPO · Clamping depth: 10 mm · Width across flats Screw: 19 mm · Material: Steel · Surface: blackened · Number of components: 1 pcs · Thread type: MF22x1.5 (fine pitch thread) · Thread type: MF26x1.5 (fine pitch thread) · Total length: 55 mm · Total length: 75 mm · Area of application: (Dis)assembly tool · Strength class: 8.8
EUR 11,60
swiing® revival nozzle set M5 (50 - 70) Dell'Orto SHA, PHBG
Manufacturer: swiing® revival parts · Material: Brass · Component group Carburetor: Spraying · Quantity: 10 pcs · Carburetor type: PHBG · Carburetor type: SHA · Carburetor type: SHA (Piaggio) · Total length: 8 mm · Nozzle type: Main nozzle · Nozzle size: 50 · Nozzle size: 52 · Nozzle size: 55 · Nozzle size: 58 · Nozzle size: 60 · Nozzle size: 62 · Nozzle size: 64 · Nozzle size: 66 · Nozzle size: 68 · Nozzle size: 70 · Drive: Slot · Nozzle thread: M5x0.8 (standard thread)
EUR 24,50
swiing® ingenious puller flywheel | Piaggio Ciao, SI, Bravo, Boxer
Width across flats (trigger): 10 mm · Width across flats (trigger): 17 mm · Width across flats Screw: 19 mm · Manufacturer: swiing® ingenious parts · Thread type: MF12x1.5 (fine pitch thread) · Thread type: MF17x1 (fine pitch thread) · Surface: blackened · Surface: galvanized (blue) · Diameter: 12 mm · Diameter: 24 mm · Material: Steel · Number of components: 2 pcs · Total length: 100 mm · Area of application: (Dis)assembly tool
EUR 21,00
Polini CP 17.5 mm carburetor (hand choke)
Nominal diameter: 17.5 mm · Manufacturer: Polini · Mounting type: Plug connection clamped · Component group Carburetor: Carburetor complete · Carburetor type: CP · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Area of application: Tuning · Ø fuel hose connection: 6 mm · Ø without reducing sleeve: 26 mm · Nozzle size: 62 · Ø Internal connection: 24 mm · Ø Air filter connection: 46 mm · Mixed oil connection: Yes · Vacuum connection: Yes · Size of secondary nozzle: 40
EUR 164,00
Not in stock
Polini 43 mm cylinder kit without head 10 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Material: Gray cast iron · Surface: sandblasted · Nominal diameter: 43 mm · Manufacturer: Polini · Number of fixing points: 3 pcs · Camouflaged: No · Crankshaft stroke: 43 mm · Displacement: 63 ccm · Ø cylinder neck: 45.8 mm · Area of application: Tuning · Ø Outlet outside: 22.6 mm · Ø piston pin (B): 10 mm · Ø outlet inside: 18.4 mm · Outlet type: clamped · Hole pattern [mm]: 55 x 34 · Decompressor: Yes
EUR 216,70
Collection only possible with online purchase and appointment.
