
The revised 2021 version of the well-known cylinder kit from Malossi for Piaggio Ciao, Bravo 1 and Boxer mopeds / mopeds.
This is the version with 12 mm piston pin.
This cast iron cylinder with 73.5 cc offers a very good increase in performance over the entire rev range.
The workmanship is very clean and the matching of the piston windows to the overflow channels and boost parts is also very good. The webs in the area of the cylinder head significantly reduce the risk of piston jamming and make the cylinder extremely durable.
The reworked cylinder head in combination with the copper gasket also ensures very high compression values.
With the reworking, the triangular shape of the cylinder head was adapted to a longitudinal shape. As a result, the cylinder fits much better on racing bikes, such as the Polini Speed Engine.
Further attachments and, for example, a spark plug with long thread can be found in the accessories section.
Quality product from the Italian manufacturer Malossi.
Manufacturer: Malossi · Material: Gray cast iron · Surface: sandblasted · Displacement: 73 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 46.5 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Decompressor: Yes · Camouflaged: No · Area of application: Tuning · Ø cylinder neck: 50 mm · Ø Outlet outside: 22.4 mm · Ø outlet inside: 18.1 mm · Hole pattern [mm]: 55 x 34
Manufacturer: Malossi · Ø cylinder: 44 - 47 mm · Area of application: Racing
| Manufacturer | Malossi |
| Camouflaged | No |
| Material | Gray cast iron |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Surface | sandblasted |
| Nominal diameter | 46.5 mm |
| Ø piston pin (B) | 12 mm |
| Number of fixing points | 3 pcs |
| Outlet type | clamped |
| Area of application | Tuning |
| Decompressor | Yes |
| Piaggio | Si Bravo / Super Bravo Grillo |
Accessories & related products
Malossi piston 46.5 mm (12 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Malossi · Ø outside piston (A): 46.4 mm · Compression height (C): 25.9 mm · Curvature (D): 2.4 mm · Total piston height (E): 52.8 mm · Number of piston rings (F): 2 pcs · Nominal diameter: 46.5 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Piston weight: 101 g
CHF 87.90
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing cage: Silver cage · Manufacturer: swiing® ingenious parts · Bearing type: Needle roller and cage assembly · Ø inside: 12 mm · Width: 14.2 mm · Ø outside: 15 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony OEM number: A4222 · Tomos OEM number: 035548 · Alternative version of the Sachs OEM number: 0232 157 001
CHF 11.90
swiing® ingenious stud bolt M7x120 / Ø 7.3 shank - 10.9 strength
Diameter: 7.3 mm · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: galvanized (blue) · Thread length: 20 mm · Thread length: 30 mm · Strength class: 10.9 · Total length: 120 mm · Thread type: M7x1 (standard thread)
CHF 4.90
Moped fans also bought
Spotlight round Ø 13 cm chrome / black
Depth: 80 mm · Area of application: Standard · Test mark: none · Bulb holder: BA15d · Housing material: Metal · Material: Sheet metal (steel) · Surface: chrome-plated · Surface: varnished · Switch included: No · Color: Chrome · Lens material: Plastic · Color: black · Color: transparent · Mounting type: Screws · Speedometer recording: None · Ø outside: 130 mm · Thread size: M6 · Number of fixing points: 2 pcs · Battery operated: No · Width: 134 mm · Height: 147 mm
CHF 24.90
swiing® revival nozzle set M5 (70 - 92) Dell'Orto SHA, PHBG
Drive: Slot · Manufacturer: swiing® revival parts · Component group Carburetor: Spraying · Material: Brass · Quantity: 10 pcs · Carburetor type: PHBG · Carburetor type: SHA · Carburetor type: SHA (Piaggio) · Nozzle type: Main nozzle · Total length: 8 mm · Nozzle thread: M5x0.8 (standard thread) · Nozzle size: 70 · Nozzle size: 72 · Nozzle size: 75 · Nozzle size: 78 · Nozzle size: 80 · Nozzle size: 82 · Nozzle size: 85 · Nozzle size: 88 · Nozzle size: 90 · Nozzle size: 92
CHF 20.90
swiing® revival gasket outlet | Zündapp Belmondo
Manufacturer: swiing® revival parts · Material: Graphite / Graphite · Ø mounting hole: 7.1 mm · Ø inside: 25 mm · Ø outside: 38.3 mm · Thickness: 1.5 mm · Number of fixing points: 2 pcs · Total length: 53 mm · Hole spacing: 40 mm · Place of use: Outlet
CHF 3.90
Malossi 46.5 mm cylinder kit without head 12 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: Malossi · Material: Gray cast iron · Camouflaged: No · Area of application: Tuning · Surface: sandblasted · Displacement: 73 ccm · Crankshaft stroke: 43 mm · Number of fixing points: 3 pcs · Nominal diameter: 46.5 mm · Ø cylinder neck: 50 mm · Ø Outlet outside: 22.4 mm · Ø outlet inside: 18.1 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Hole pattern [mm]: 55 x 34 · Decompressor: Yes
CHF 144.90












