Polini racing kit with 47 mm diameter and approx. 75 cc displacement for your Piaggio Ciao, Si, Bravo and Grillo moped / moped with corresponding Polini EVO REED engine housing.
The generously dimensioned, symmetrical overflow ducts and the open boost ports ensure maximum power delivery. The exhaust is attached via a 4-fold bolted exhaust flange plate. Two different sleeves are included in the scope of delivery, which are suitable for exhaust pipes with connection diameters of 22 mm or 27 mm.
The cast iron tuning cylinder is equipped with four stud bolts and an exhaust with two secondary exhaust ports. In combination with the newly developed cylinder head and a piston with two piston rings, impressive compression and power are generated.
| Nominal diameter | 47 mm |
| Manufacturer | Polini |
| Material | Gray cast iron |
| Area of application | Tuning, High End |
| Displacement | 75 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 49.8 mm |
| Ø Outlet outside | 22 mm, 27 mm |
| Number of fixing points | 4 pcs |
| Ø piston pin (B) | 12 mm |
| Hole spacing outlet | 23 mm, 38 mm |
| Thread outlet | M5x0.8 (standard thread) |
| Hole pattern [mm] | 43 x 52 |
| Decompressor | Yes |
| Camouflaged | No |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Grillo |
Ratings
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Manufacturer: Polini · Area of application: High End · Area of application: Racing · Area of application: Tuning · Ø Internal flywheel: 80.5 mm · Light coil voltage: 12 V · Performance: 90 W · Direction of rotation: right · Ø Flywheel outside: 105 mm · Ø Flywheel outside: 138.5 mm · Number of fixing points: 2 pcs · Weight: 554 g
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Polini EVO REED crankshaft 12 mm KoBo | Piaggio Ciao, SI, Bravo, Grillo
Dimension needle bearing: 12 / 15 x 14.7 mm (axe 12) · Manufacturer: Polini · Area of application: High End · Area of application: Racing · Material: Steel · Area of application: Tuning · Cheek type: Full cheeks · Ø coupling pin / vario pin: 12 mm · Crankshaft stroke: 43 mm · Connecting rod length center-center: 87 mm · Total length crankpin ignition side: 91.5 mm · Total length crankpin ignition side: 105 mm · Ø crank webs: 70 mm · Thread type: MF10x1.25 (fine pitch thread) · Thread length: 14 mm · Ø Connecting rod eye: 15 mm · Bearing seat right: 15 mm · Weight: 784 g · Ø piston pin (B): 12 mm · Ø Bearing seat (ignition side): 15 mm · Wide crank webs: 32.6 mm · Length 1st paragraph: 21 mm · Length 2nd paragraph: 44.7 mm · Length 3rd paragraph: 64 mm · Ø 1st step (on the coupling side): 15 mm · Ø 2nd shoulder (on the clutch side): 14.4 mm · Ø 3rd step (on the clutch side): 12 mm · Number of gears: 1 pcs
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Polini CP 21 mm carburetor & air filter (hand choke) | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 21 mm · Width: 66 mm · Manufacturer: Polini · Material: Aluminum · Area of application: Racing · Area of application: Tuning · Component group Carburetor: Carburetor complete · Carburetor type: CP · Total length: 71 mm · Height: 122 mm · Ø Inside entrance: 42 mm · Mounting type: Rubber sleeve · Ø Output inside: 22.5 mm · Ø Air filter connection: 47 mm · Ø fuel hose connection: 6 mm · Ø fuel hose connection: 7 mm · Mixed oil connection: Yes · Vacuum connection: Yes · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Nozzle block: 35-12 · Camouflaged: No · Nozzle size: 82 · Nozzle size: 84 · Nozzle size: 86 · Size of secondary nozzle: 40
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Polini exhaust "EVO" (27 mm connection) | Piaggio Ciao, SI, Bravo, Boxer
Ø outside: 83 mm · Manufacturer: Polini · Material: Aluminum · Material: Steel · Color: black-matt · Color: graphite colors · Surface: blank · Surface: varnished · Total length: 750 mm · Ø Silencer: 60 mm · Ø Internal connection: 27 mm · Mounting type: Tab for screwing · Number of fixing points: 2 pcs · Ø Flame tube outside: 27 mm · Exhaust type: Cone / double cone · Flame tube attachment: Plug connection
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Polini piston 47 mm EVO cylinder (12 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer, Grillo
Nominal diameter: 47 mm · Manufacturer: Polini · Ø outside piston (A): 46.92 mm · Compression height (C): 31.6 mm · Curvature (D): 2 mm · Total piston height (E): 55.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.2 mm · Ø piston pin (B): 12 mm · Weight piston kit: 101 g
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Polini exhaust flange EVO cylinder kit | Piaggio Ciao, Si, Bravo, Boxer
Ø inside: 18 mm · Ø inside: 24 mm · Ø outside: 22.4 mm · Ø outside: 27 mm · Manufacturer: Polini · Material: Steel · Surface: burnished · Total length: 13.2 mm · Total length: 17.2 mm · Thread type: M6x1 (standard thread) · Thread length: 13 mm · Ø mounting hole: 6.5 mm · Hole spacing: 23 - 38 mm
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Polini EVO REED crankshaft 12 mm KoBo | Piaggio Ciao, SI, Bravo, Grillo
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