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 |
| Camouflaged | No |
| Displacement | 75 ccm |
| Crankshaft stroke | 43 mm |
| Nominal diameter | 47 mm |
| Ø cylinder neck | 49.8 mm |
| Ø Outlet outside | 22 mm, 27 mm |
| Ø piston pin (B) | 12 mm |
| Hole pattern [mm] | 43 x 52 |
| Hole spacing outlet | 23 mm, 38 mm |
| Thread outlet | M5x0.8 (standard thread) |
| Number of fixing points | 4 pcs |
| Decompressor | Yes |
| Area of application | Tuning, High End |
Suitable for the following models
| Piaggio | Ciao - P, SC, PX, C24 Si Bravo / Super Bravo Grillo |
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Manufacturer: Polini · Ø Internal flywheel: 80.5 mm · Area of application: High End · Area of application: Racing · Area of application: Tuning · Light coil voltage: 12 V · Performance: 90 W · Direction of rotation: right · Number of fixing points: 2 pcs · Ø Flywheel outside: 105 mm · Ø Flywheel outside: 138.5 mm · Weight: 554 g
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Polini EVO REED crankshaft 12 mm KoBo | Piaggio Ciao, SI, Bravo, Grillo
Manufacturer: Polini · Cheek type: Full cheeks · Material: Steel · Area of application: High End · Area of application: Racing · Area of application: Tuning · Thread type: MF10x1.25 (fine pitch thread) · Ø coupling pin / vario pin: 12 mm · Crankshaft stroke: 43 mm · Connecting rod length center-center: 87 mm · Number of gears: 1 pcs · Total length crankpin ignition side: 91.5 mm · Total length crankpin ignition side: 105 mm · Ø crank webs: 70 mm · Ø Connecting rod eye: 15 mm · Bearing seat right: 15 mm · Ø piston pin (B): 12 mm · Weight: 784 g · Ø Bearing seat (ignition side): 15 mm · 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
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Polini CP 21 mm carburetor & air filter (hand choke) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Component group Carburetor: Carburetor complete · Material: Aluminum · Area of application: Racing · Area of application: Tuning · Nominal diameter: 21 mm · Carburetor type: CP · Width: 66 mm · Choke control: Hand choke · Height: 122 mm · Total length: 71 mm · Nozzle thread: M5x0.8 (standard thread) · Ø fuel hose connection: 6 mm · Ø fuel hose connection: 7 mm · Ø Inside entrance: 42 mm · Mounting type: Rubber sleeve · Ø Output inside: 22.5 mm · Ø Air filter connection: 47 mm · Mixed oil connection: Yes · Vacuum connection: Yes · 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 EVO exhaust (27 mm connection) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Material: Aluminum · Material: Steel · Surface: blank · Surface: varnished · Color: black-matt · Color: graphite colors · Ø outside: 83 mm · Total length: 750 mm · Ø Silencer: 60 mm · Number of fixing points: 2 pcs · Ø Internal connection: 27 mm · Mounting type: Tab for screwing · 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
Manufacturer: Polini · Nominal diameter: 47 mm · 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 · Piston weight: 101 g
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Collection only possible with online purchase and appointment.
