Polini EVO REED racing crankshaft, suitable for your Piaggio Ciao, SI, Bravo and Grillo moped / moped in combination with the Polini EVO REED engine housing.
The finely balanced tuning crankshaft fits all cylinder kits with 12 mm piston pins, whereby the focus is on the Polini EVO 47 mm cylinder kit.
The quality of the workmanship and the steel used is exceptionally high, which ensures impressive durability.
The crankshaft stub has been reinforced and fitted with an M10 fine thread.
No shim needs to be inserted between the racing crankshaft and its main bearings for installation.
Note: Use with the Malossi MP-One racing gear has not been tested by us.
A matching crescent, ball bearings and other add-on parts can be found in the accessories section.
Quality product from the Italian manufacturer Polini.
| Manufacturer | Polini |
| Material | Steel |
| Area of application | High End, Tuning, Racing |
| Cheek type | Full cheeks |
| Crankshaft stroke | 43 mm |
| Ø coupling pin / vario pin | 12 mm |
| Connecting rod length center-center | 87 mm |
| Weight | 784 g |
| Total length crankpin ignition side | 105 mm, 91.5 mm |
| Thread type | MF10x1.25 (fine pitch thread) |
| Ø crank webs | 70 mm |
| Ø Connecting rod eye | 15 mm |
| Bearing seat right | 15 mm |
| Ø piston pin (B) | 12 mm |
| 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 |
| Number of gears | 1 pcs |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Grillo |
Ratings
Accessories & related products
Polini Racing 43 mm cylinder kit incl. head 12 mm KoBo | Piaggio Ciao, Bravo, Boxer
Nominal diameter: 43 mm · Manufacturer: Polini · Material: Gray cast iron · Surface: sandblasted · Displacement: 63 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 45.7 mm · Ø Outlet outside: 22.4 mm · Ø outlet inside: 18.1 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Hole pattern [mm]: 55 x 34 · Decompressor: Yes · Camouflaged: No · Area of application: Tuning
EUR 295.20
SKF 6202 C4 ball bearing 15/35/11
Bearing type: Deep groove ball bearing · Stock number: 6202 · Width: 11 mm · Ball bearing closed: No · Manufacturer: SKF · Ø inside: 15 mm · Ø outside: 35 mm · Bearing clearance: C4 · Bearing cage: Plastic cage ball-guided · Area of application: Standard · Material: Steel
EUR 17.10
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 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
Polini 46 mm cylinder kit aluminum | Peugeot 103, SPX50, 104, 105, GL 10
Manufacturer: Polini · Camouflaged: No · Material: Aluminum · Displacement: 65 ccm · Nominal diameter: 46 mm · Ø cylinder neck: 50 mm · Ø Outlet outside: 25 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 45.4 x 50.5 · Decompressor: Yes · Ø piston pin (B): 7 mm · Outlet type: slanted · Hole spacing outlet: 50 mm · Thread outlet: M7x1 (standard thread)
EUR 282.90
Polini CP 21 mm carburetor & air filter (hand choke) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Camouflaged: No · Component group Carburetor: Carburetor complete · Material: Aluminum · Carburetor type: CP · 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 · 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 · Mounting type: Rubber sleeve · Total length: 71 mm · Width: 66 mm · Height: 122 mm · Area of application: Racing · Area of application: Tuning
EUR 209.10
Hot 
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 · Ø Internal connection: 27 mm · Ø Silencer: 60 mm · Number of fixing points: 2 pcs · Ø Flame tube outside: 27 mm · Exhaust type: Cone / double cone · Flame tube attachment: Plug connection · Mounting type: Tab for screwing · Total length: 750 mm
EUR 307.50
Explore categories from Engine block
Moped fans also bought
Polini 46 mm cylinder kit incl. head 12 mm KoBo | Piaggio Ciao, Bravo, Boxer
Nominal diameter: 46 mm · Manufacturer: Polini · Material: Gray cast iron · Surface: sandblasted · Displacement: 70 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Decompressor: Yes · Camouflaged: No · Area of application: Tuning
EUR 295.20
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 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
