Racing crankshaft for the original gearbox suitable for your Piaggio Ciao, Si, Bravo, Boxer, Grillo moped / moped.
This finely balanced crankshaft fits all cylinders with 12 mm piston pins and impresses with its high-quality workmanship.
Connecting rod eye (A): 15.0 mm
Ø bearing seat right (B): 15.0 mm
Ø bearing seat end (C): 15.0 mm
Stroke (2xD): 43.0 mm
Sleeve length (E): 87.0 mm
Width of crank webs (F): 32.5 mm
1st shoulder (G): 21.7 mm
2nd shoulder (H): 44.0 mm
3rd shoulder (I): 63.4 mm
Total length crankpin end (J): 91.5 mm
Ø Vario / clutch pin (H): 12.0 mm
Dimension needle bearing: Ø 12 / 15 x 14.7 mm (axe 12)
Thread: M10 x 1.25 mm
Note: For installation, a 16 x 0.5 mm shim must be inserted between the standard crankshaft and its main bearings.
In order for the RHQ tuning shaft to be installed in the original engine housing, this must be machined slightly. In addition, the front vario or mono clutch must be adapted.
| Manufacturer | Malossi |
| Material | Steel |
| Area of application | Tuning |
| Cheek type | standard |
| Crankshaft stroke | 43 mm |
| Ø coupling pin / vario pin | 12 mm |
| Ø piston pin (B) | 12 mm |
| Connecting rod length center-center | 87 mm |
| Total length crankpin ignition side | 91.5 mm |
| Ø crank webs | 70 mm |
| Thread length | 14 mm |
| Ø Connecting rod eye | 15 mm |
| Thread type | MF10x1.25 (fine pitch thread) |
| Bearing seat right | 15 mm |
| Ø Bearing seat (ignition side) | 15 mm |
| Dimension needle bearing | 12 / 15 x 14.7 (axe 12) |
| Wide crank webs | 32.5 mm |
| Length 1st paragraph | 21.7 mm |
| Length 2nd paragraph | 44 mm |
| Length 3rd paragraph | 63.4 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 | 724 g |
| Number of gears | 1 pcs |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo Gilera CBA Gilera Citta |
Ratings
Accessories & related products
swiing® ingenious needle roller bearing 12/15/16.2 "Racing" silver cage
Bearing type: Needle roller and cage assembly · Dimension needle bearing: 12/15 x 16.2 · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Ø inside: 12 mm · Ø outside: 15 mm · Width: 16.2 mm · Tomos OEM number: 035548
EUR 16.50
swiing® ingenious puller flywheel | Piaggio Ciao, SI, Bravo, Boxer
Width across flats trigger: 10 mm · Width across flats trigger: 17 mm · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: blackened · Surface: galvanized (blue) · Diameter: 12 mm · Diameter: 24 mm · Number of components: 3 pcs · Total length: 100 mm · Width across flats Screw: 19 mm · Thread type: MF12x1.5 (fine pitch thread) · Thread type: MF17x1 (fine pitch thread) · Area of application: (Dis)assembly tool
EUR 21.20
Mazzucchelli crankshaft "Original" 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Dimension needle bearing: 12 / 15 x 14.7 mm (axe 12) · Manufacturer: Mazzucchelli · Area of application: Original · Area of application: Standard · Material: Steel · Cheek type: standard · Thread type: M8x1.25 (standard thread) · Ø coupling pin / vario pin: 12 mm · Crankshaft stroke: 43 mm · Ø piston pin (B): 12 mm · Connecting rod length center-center: 87 mm · Total length crankpin ignition side: 90 mm · Total length crankpin ignition side: 106 mm · Weight: 698 g · Ø crank webs: 69.7 mm · Ø Connecting rod eye: 15 mm · Thread length: 16 mm · Bearing seat right: 15 mm · Ø Bearing seat (ignition side): 15 mm · Wide crank webs: 33 mm · Length 1st paragraph: 21 mm · Length 2nd paragraph: 44 mm · Length 3rd paragraph: 63.5 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 · Inlet control time: 130 ° · Control time before O.T: 77 ° · Control time according to O.T: 53 ° · Number of gears: 1 pcs
EUR 171.90
Explore categories from Engine block
Moped fans also bought
DR 43 mm cylinder kit 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 43 mm · Manufacturer: DR Racing Parts · Material: Gray cast iron · Camouflaged: No · Surface: varnished · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 46 mm · Ø Outlet outside: 22.3 mm · Ø outlet inside: 18 mm · Hole pattern [mm]: 55 x 34 · Number of fixing points: 3 pcs · Ø piston pin (B): 12 mm · Outlet type: clamped · Area of application: Tuning · Decompressor: Yes
EUR 169.60
Dell'Orto 13/13 SHA carburetor hand choke | Piaggio Ciao PX / C24, Bravo, SUPERbravo
Manufacturer: Dell'Orto · Material: Aluminum · Camouflaged: No · Component group Carburetor: Carburetor complete · Nominal diameter: 13 mm · Carburetor type: SHA (Piaggio) · Choke control: Hand choke · Total length: 46 mm · Color: black · Width: 60 mm · Ø without reducing sleeve: 18 mm · Ø Inside entrance: 13 mm · Ø Internal connection: 16 mm · Ø Output inside: 13 mm · Height: 96 mm · Ø Air filter connection: 50.8 mm · Ø fuel hose connection: 5.2 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Mounting type: Plug connection clamped · Vacuum connection: No · Nozzle thread: M5x0.8 (standard thread) · Nozzle size: 66 · Area of application: Tuning
EUR 71.10
Polini air filter | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Polini · Camouflaged: No · Material: Plastic · Ø outside: 53 mm · Filter type: Foam · Total length: 29 mm · Color: black · Width: 98 mm · Ø Internal connection: 50.6 mm · Height: 94.7 mm · Mounting type: Plug connection clamped · Area of application: Tuning
EUR 17.70
Polini Speed Engine engine housing electronic ignition | Piaggio Ciao, SI, Bravo, Boxer
Stock number: 6202 · Manufacturer: Polini · Material: Aluminum · Surface: sandblasted · Crankshaft stroke: 43 mm · Total length: 215 mm · Color: silver · Ignition type: Electronic · Width: 175 mm · Height: 104 mm
EUR 249.00
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
