Polini CP 21 carburetor incl. air filter for your Piaggio Ciao, Si, Bravo and Boxer moped / moped.
The new racing carburetor was launched together with the new EVOLUTION parts and matched to the new Polini EVO REED engine components.
The racing carburetor has a compact design and is around 40% lighter than comparable carburetors. The air flow is optimized thanks to the short intake path and the circular passage. The larger needle and an adapted mixing tube support the atomization of the gas mixture. This makes it very easy to tune the carburetor. In addition, consumption is reduced even at high power levels.
In addition to the 84cc main jet, an 82cc and 86cc jet are also included in the scope of delivery. It is attached to the intake manifold by means of a rubber sleeve.
Note: It seems that Polini did not take sufficient account of the fact that the idle throttle screw is on the wrong side when developing a carburetor for the side intake on the Piaggio.
Matching nozzles and other parts from the EVO series can be found in the accessories section.
Quality product from the Italian manufacturer Polini.
Details
| Manufacturer | Polini |
| Camouflaged | No |
| Material | Aluminum |
| Carburetor type | CP |
| Nominal diameter | 21 mm |
| Width | 66 mm |
| Ø Inside entrance | 42 mm |
| Ø Output inside | 22.5 mm |
| Mounting type | Rubber sleeve |
| Ø Air filter connection | 47 mm |
| Height | 122 mm |
| Area of application | Tuning, Racing |
| Ø fuel hose connection | 6 mm, 7 mm |
| Total length | 71 mm |
| Mixed oil connection | Yes |
| Vacuum connection | Yes |
| Choke control | Hand choke |
| Nozzle thread | M5x0.8 (standard thread) |
| Nozzle block | 35-12 |
| Nozzle size | 82, 84, 86 |
| Size of secondary nozzle | 40 |
Suitable for the following models
| Universal | |
| Piaggio | Ciao Si Bravo/Superbravo Boxer |
Accessories & related products
Polini jet set (100 - 118) main jets long version CP, Keihin, Koso, PWK
Manufacturer: Polini · Material: Brass · Quantity: 10 pcs · Carburetor type: CP · Nozzle type: Main nozzle · Nozzle size: 100 · Nozzle size: 102 · Nozzle size: 104 · Nozzle size: 106 · Nozzle size: 108 · Nozzle size: 110 · Nozzle size: 112 · Nozzle size: 114 · Nozzle size: 116 · Nozzle size: 118 · Drive: External hexagon
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Polini jet set (81 - 99) main jets long version CP, Keihin, Koso, PWK
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Polini intake rubber Ø 28.5 / 25 mm (PHBG, Polini CP)
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Polini EVO Electronic ignition | Piaggio Ciao, SI, Bravo, Boxer
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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 47 mm cylinder kit EVO 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 47 mm · Manufacturer: Polini · Material: Gray cast iron · Displacement: 75 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 49.8 mm · Ø Outlet outside: 22 mm · Ø Outlet outside: 27 mm · Ø piston pin (B): 12 mm · Hole spacing outlet: 23 mm · Hole spacing outlet: 38 mm · Thread outlet: M5x0.8 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 43 x 52 · Decompressor: Yes · Camouflaged: No · Area of application: High End · Area of application: Tuning
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Polini 47 mm cylinder kit EVO 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
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