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 |
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 |
Outlet type | clamped |
Area of application | Tuning |
Number of fixing points | 3 pcs |
Hole pattern [mm] | 55 x 34 |
Decompressor | Yes |
Camouflaged | No |
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 · 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 · Nominal diameter: 43 mm · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Weight: 83 g
90,10 EUR
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Manufacturer: swiing® ingenious parts · Material: Steel · Surface: blue galvanized · Thread type: M7x1 (standard thread) · Diameter: 7.3 mm · Total length: 120 mm · Strength class: 10.9 · Thread length: 20 mm · Thread length: 30 mm
5,50 EUR
Moped fans like you also bought:
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Material: Steel · Surface: blue galvanized · Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Cable length: 2200 mm · Number of components: 1 pcs · Area of application: Standard
2,70 EUR
CIF Clamping screw front brake | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: CIF · Material: Steel · Surface: blue galvanized · Thread type: M7x1 (standard thread) · Drive: External hexagon · Ø outside: 11 mm · Screw head: Hexagon · Total length: 25 mm · Width across flats SW: 11 mm · Thread length: 19.5 mm · Number of components: 6 pcs · Area of application: Standard
4,40 EUR
Clutch cable / brake cable Ø 1.5 mm x 225 cm (pear-shaped nipple)
Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Material: Steel · Surface: blue galvanized · Ø Stranded wire: 1.5 mm · Nipple shape: Pears · Cable length: 2250 mm · Number of components: 1 pcs · Area of application: Standard · Piaggio spare part no.: 270460
2,70 EUR
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
37,10 EUR
swiing® revival rear fender primed | Piaggio Ciao
Manufacturer: swiing® revival parts · Material: Steel · Surface: primed · Folding the ends: not folded · Folding the ends: open folded · Wheel size [inch]: 16 " · Wheel size [inch]: 17 " · 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 · Color: black
38,20 EUR
Continental Go 2.50 x 16" Semi-Slick
Manufacturer: Continental · Tire width [inch]: 2.5 " · Tire width [mm]: 63.5 · Wheel size [inch]: 16 " · Old designation: 20 x 2.5 · Speed index: J = 100 km/h · Load capacity index: 42 = 150 kg · Profile type: ContiGo! · Tire type: Semi-slick · White wall: No · Tubeless (yes/no): Tubetype TT (requires hose) · Color: black
65,80 EUR