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
| Manufacturer | Polini |
| Material | Gray cast iron |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 63 ccm |
| Crankshaft stroke | 43 mm |
| Ø piston pin (B) | 10 mm |
| Nominal diameter | 43 mm |
| Ø cylinder neck | 45.7 mm |
| Ø Outlet outside | 22.4 mm |
| Ø outlet inside | 18.1 mm |
| Number of fixing points | 3 pcs |
| Outlet type | clamped |
| Area of application | Tuning |
| Hole pattern [mm] | 55 x 34 |
| Decompressor | Yes |
Suitable for the following models
| Piaggio | Si Bravo/Superbravo 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 · Ø piston pin (B): 10 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
CHF 79.90
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 · Thread type: M7x1 (standard thread) · Total length: 120 mm · Thread length: 20 mm · Thread length: 30 mm · Strength class: 10.9
CHF 4.90
Moped fans like you also bought:
swiing® revival front fender primed | Piaggio Ciao
Manufacturer: swiing® revival parts · Material: Steel · Surface: primed · Color: black · Wheel size [inch]: 16 " · Wheel size [inch]: 17 " · Folding the ends: open folded · Shape of the mudguard: partly round · Total length over ends: 510 mm · Scope: 640 mm · Wide mudguard profile: 76 mm · Height of mudguard profile: 35 mm · Total height from support surface to top edge: 162 mm · Mounting type: Nuts & bolts · Piaggio spare part no.: 274184
CHF 32.90
CHF 44.90
swiing® revival rear fender primed | Piaggio Ciao
Material: Steel · Surface: primed · Manufacturer: swiing® revival parts · Color: black · Wheel size [inch]: 16 " · Wheel size [inch]: 17 " · Folding the ends: not folded · Folding the ends: open folded · Shape of the mudguard: partly round · Total length over ends: 510 mm · Scope: 620 mm · Wide mudguard profile: 76 mm · Height of mudguard profile: 35 mm · Total height from support surface to top edge: 159 mm · Mounting type: Nuts & bolts
CHF 33.90
Cable set black matt | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Made in Germany · Material: Steel · Color: black · Quantity: 4 pcs · Ø Stranded wire: 1.25 mm · Ø Stranded wire: 1.5 mm · Ø Stranded wire: 1.8 mm · Total length: 1600 mm · Total length: 1650 mm · Total length: 2180 mm · Outer shell length: 1200 mm · Outer shell length: 1250 mm · Outer shell length: 1300 mm · Outer shell length: 2000 mm · Nipple shape: Ball · Nipple shape: Barrel (transverse) · Nipple shape: Pears
CHF 19.90
Malossi clutch spring set mono gearbox | Piaggio Ciao, SI, Bravo, Boxer
Spring design: Tension spring · Ø wire: 1.7 mm · Ø wire: 1.9 mm · Ø wire: 2 mm · Manufacturer: Malossi · Total length: 26 mm · Color: black · Color: white · Color: yellow · Material: Spring steel · Surface: varnished · Area of application: Tuning
CHF 25.90
Collection only possible with online purchase and appointment.
