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, it generates impressive compression and power.
The scope of delivery includes all necessary parts such as gaskets, piston pins and exhaust ports. The decompressor is not included in the scope of delivery.
Note: Long-threaded spark plugs are required.
You can find other parts from the Polini EVOLUTION series in the accessories section.
Quality product from the Italian manufacturer Polini.
Details
| Manufacturer | Polini |
| Material | Gray cast iron |
| Displacement | 75 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 49.8 mm |
| Nominal diameter | 47 mm |
| Ø Outlet outside | 22 mm, 27 mm |
| Ø piston pin (B) | 12 mm |
| Number of fixing points | 4 pcs |
| Area of application | Tuning, High End |
| Hole spacing outlet | 23 mm, 38 mm |
| Thread outlet | M5x0.8 (standard thread) |
| Hole pattern [mm] | 43 x 52 |
| Decompressor | Yes |
| Camouflaged | No |
Suitable for the following models
| Piaggio | Ciao - Ciao, Ciao, Ciao, Ciao Si Bravo/Superbravo Grillo |
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Polini EVO REED crankshaft 12 mm KoBo | Piaggio Ciao, SI, Bravo, Grillo
Manufacturer: Polini · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 43 mm · Ø coupling pin / vario pin: 12 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 · Ø piston pin (B): 12 mm · Ø Connecting rod eye: 15 mm · Bearing seat right: 15 mm · Ø Bearing seat (ignition side): 15 mm · Thread type: MF10x1.25 (fine pitch thread) · Thread length: 14 mm · Dimension needle bearing: 12 / 15 x 14.7 mm (axe 12) · 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 · Weight: 784 g · Number of gears: 1 pcs · Area of application: High End · Area of application: Racing · Area of application: Tuning
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Polini CP 21 mm carburetor & air filter (hand choke) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Material: Aluminum · Camouflaged: No · Carburetor type: CP · Total length: 71 mm · Nominal diameter: 21 mm · Ø Inside entrance: 42 mm · Ø Output inside: 22.5 mm · Ø Air filter connection: 47 mm · Ø fuel hose connection: 6 mm · Ø fuel hose connection: 7 mm · Mounting type: Rubber sleeve · Mixed oil connection: Yes · Vacuum connection: Yes · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Nozzle block: 35-12 · Nozzle size: 82 · Nozzle size: 84 · Nozzle size: 86 · Size of secondary nozzle: 40 · Width: 66 mm · Height: 122 mm · Area of application: Racing · Area of application: Tuning
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Polini EVO exhaust (27 mm connection) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Material: Aluminum · Material: Steel · Surface: blank · Surface: varnished · Ø outside: 83 mm · Total length: 750 mm · Color: black-matt · Color: graphite colors · Ø Silencer: 60 mm · Ø Internal connection: 27 mm · Ø Flame tube outside: 27 mm · Exhaust type: Cone / double cone · Mounting type: Tab for screwing · Number of fixing points: 2 pcs · Flame tube attachment: Plug connection
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Polini piston 47 mm EVO cylinder (12 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer, Grillo
Manufacturer: Polini · Nominal diameter: 47 mm · Ø outside piston (A): 46.92 mm · Ø piston pin (B): 12 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 · Piston weight: 101 g
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