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 appears 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.
| Nominal diameter | 21 mm |
| Manufacturer | Polini |
| Material | Aluminum |
| Component group Carburetor | Carburetor complete |
| Carburetor type | CP |
| Height | 122 mm |
| Total length | 71 mm |
| Ø fuel hose connection | 6 mm, 7 mm |
| Width | 66 mm |
| Ø Inside entrance | 42 mm |
| Ø Output inside | 22.5 mm |
| Ø Air filter connection | 47 mm |
| Area of application | Tuning, Racing |
| Mixed oil connection | Yes |
| Mounting type | Rubber sleeve |
| Vacuum connection | Yes |
| Choke control | Hand choke |
| Nozzle thread | M5x0.8 (standard thread) |
| Nozzle block | 35-12 |
| Nozzle size | 82, 84, 86 |
| Camouflaged | No |
| Size of secondary nozzle | 40 |
| Universal | |
| Piaggio | Ciao Si Bravo / Super Bravo Boxer |
Ratings
Accessories & related products
Polini jet set (100 - 118) main jets long version CP, Keihin, Koso, PWK
Manufacturer: Polini · Material: Brass · Quantity: 10 pcs · Component group Carburetor: Spraying · Carburetor type: CP · Drive: External hexagon · 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
EUR 49.10
Polini jet set (81 - 99) main jets long version CP, Keihin, Koso, PWK
Drive: External hexagon · Manufacturer: Polini · Quantity: 10 pcs · Component group Carburetor: Spraying · Material: Brass · Carburetor type: CP · Carburetor type: Coso · Carburetor type: Keihin · Carburetor type: PWK · Nozzle type: Main nozzle · Nozzle size: 83 · Nozzle size: 85 · Nozzle size: 87 · Nozzle size: 89 · Nozzle size: 91 · Nozzle size: 93 · Nozzle size: 95 · Nozzle size: 97 · Nozzle size: 99
EUR 49.10
Polini intake rubber Ø 28.5 / 25 mm (PHBG, Polini CP)
Manufacturer: Polini · Material: Rubber · Ø inside: 28.5 mm · Ø outside: 38.5 mm · Ø inside 2: 25 mm · Total length: 37.5 mm · Color: black · Ø Passage: 25 mm · Ø Connection 2 external: 37 mm · Ø External connection: 37 mm · Clamping diameter: 26.5 mm
EUR 18.30
Polini EVO Electronic ignition | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Weight: 554 g · Ø Internal flywheel: 80.5 mm · 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 · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 615.20
Polini EVO REED crankshaft 12 mm KoBo | Piaggio Ciao, SI, Bravo, Grillo
Manufacturer: Polini · Weight: 784 g · Cheek type: Full cheeks · Material: Steel · Ø coupling pin / vario pin: 12 mm · Crankshaft stroke: 43 mm · Connecting rod length center-center: 87 mm · Number of gears: 1 pcs · Thread length: 14 mm · 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 · Thread type: MF10x1.25 (fine pitch thread) · Ø Bearing seat (ignition side): 15 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 · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 356.80
Polini 47 mm cylinder kit EVO 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Camouflaged: No · Material: Gray cast iron · Displacement: 75 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 47 mm · Ø cylinder neck: 49.8 mm · Ø Outlet outside: 22 mm · Ø Outlet outside: 27 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 43 x 52 · Decompressor: Yes · Ø piston pin (B): 12 mm · Hole spacing outlet: 23 mm · Hole spacing outlet: 38 mm · Thread outlet: M5x0.8 (standard thread) · Area of application: High End · Area of application: Tuning
EUR 344.50
Moped fans also bought
EBR standard fork chrome | Puch
Total length: 570 mm · Manufacturer: EWC · Material: Steel · Surface: chrome-plated · Color: Chrome · Thread type: MF26x1 (fine pitch thread) · Adjustable: No · Ø spars: 23 mm · Spar end distance (center-center): 140 mm · Ø outer head tube: 26 mm · Ø head tube inside: 22 mm · Head tube length: 180 mm · Fork bridge - center wheel axle: 383 mm · Distance brake cam to wheel axle center-center: 40 mm · Thread length: 57 mm
EUR 159.90
Fortune 2.25 x 17" tires F-854 4P.R. Semi-Slick
Inventory-managed: No · Manufacturer: Fortune · Tire width: 2.25 " · Tire width [mm]: 57.15 · Width: 2 1/4 " · Wheel size: 17 " · Color: black · Old designation: 21 x 2.25 " · Speed index: J = 100 km/h · Load capacity index: 28 = 100 kg · Profile type: F-854 4 P.R. · Tire type: Semi-slick · White wall: No · Tubeless (yes/no): Tubetype TT (requires hose)
EUR 36.80
Not so nice 
Main stand black extended | Puch Maxi S, P1 / X30 NS, NL, NG
Surface: varnished · Color: black · Material: Steel · Stand base - center mount (A): 235 mm · Total width of stand base (B): 220 mm · Wide receptacle (C): 66.5 mm · Ø Receptacle (D): 18 mm · Spring nipple distance - center pivot axis (E): 85 mm · Total height: 250 mm · Wide upright foot (F): 20 mm · Wide upright foot (F): 40 mm
EUR 27.00
Malossi 46.5 mm cylinder kit without head 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Malossi · Area of application: Tuning · Material: Gray cast iron · Surface: sandblasted · Displacement: 73 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 50 mm · Ø Outlet outside: 22.4 mm · Nominal diameter: 46.5 mm · Ø outlet inside: 18.1 mm · Number of fixing points: 3 pcs · Ø piston pin (B): 12 mm · Decompressor: Yes · Outlet type: clamped · Hole pattern [mm]: 55 x 34 · Camouflaged: No
EUR 178.30
Polini EVO Electronic ignition | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Weight: 554 g · Ø Internal flywheel: 80.5 mm · 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 · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 615.20
Polini EVO REED crankshaft 12 mm KoBo | Piaggio Ciao, SI, Bravo, Grillo
Manufacturer: Polini · Weight: 784 g · Cheek type: Full cheeks · Material: Steel · Ø coupling pin / vario pin: 12 mm · Crankshaft stroke: 43 mm · Connecting rod length center-center: 87 mm · Number of gears: 1 pcs · Thread length: 14 mm · 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 · Thread type: MF10x1.25 (fine pitch thread) · Ø Bearing seat (ignition side): 15 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 · Area of application: High End · Area of application: Racing · Area of application: Tuning
EUR 356.80
Polini 47 mm cylinder kit EVO 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Camouflaged: No · Material: Gray cast iron · Displacement: 75 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 47 mm · Ø cylinder neck: 49.8 mm · Ø Outlet outside: 22 mm · Ø Outlet outside: 27 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 43 x 52 · Decompressor: Yes · Ø piston pin (B): 12 mm · Hole spacing outlet: 23 mm · Hole spacing outlet: 38 mm · Thread outlet: M5x0.8 (standard thread) · Area of application: High End · Area of application: Tuning
EUR 344.50
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
