43 mm piston kit with two 1.5 mm rectangular piston rings with side protection (FS) for your Piaggio Ciao, Si, Bravo, Boxer and Grillo moped / moped.
The detailed dimensioning of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their stems and locking types on the legend in the pictures.
| Nominal diameter | 43 mm |
| Manufacturer | GPO |
| Ø outside piston (A) | 42.94 mm |
| Compression height (C) | 26.5 mm |
| Curvature (D) | 2.5 mm |
| Total piston height (E) | 50.5 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 10 mm |
| Weight piston kit | 82 g |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo Gilera CBA Gilera Citta |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Area of application: (Dis)assembly tool · Number of components: 7 pcs · Width across flats: 10 mm · Width across flats: 17 mm
EUR 23.60
43 mm cylinder | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 43 mm · Manufacturer: Quenching · Camouflaged: No · Area of application: Tuning · Material: Gray cast iron · Surface: sandblasted · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 10 mm · Number of fixing points: 3 pcs · Outlet type: straight · Decompressor: Yes
EUR 71.10
Meteor piston 43 mm Polini cylinder (10 mm KoBo) | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 43 mm · Manufacturer: Meteor · Ø outside piston (A): 42.93 mm · Compression height (C): 26.6 mm · Curvature (D): 2.4 mm · Total piston height (E): 50.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Ø piston pin (B): 10 mm · Weight piston kit: 87 g
EUR 74.20
Explore categories from Piston
Moped fans also bought
Rim ring 1.20 x 17" chrome
Nominal diameter: 431.6 mm · Manufacturer: Made in Italy · Material: Steel · Surface: chrome-plated · Color: Chrome · Rim well depth: 3.6 mm · Overall width outside: 36.8 mm · Jaw width [inch]: 1.2 " · Jaw width [mm]: 29.4 mm · Ø Nipple hole: 6.7 mm · Number of spoke holes: 36 pcs · Wheel size: 17 "
EUR 69.40
swiing® ingenious puller flywheel | Piaggio Ciao, SI, Bravo, Boxer
Diameter: 12 mm · Diameter: 24 mm · Width across flats trigger: 10 mm · Width across flats trigger: 17 mm · Number of components: 3 pcs · Width across flats Screw: 19 mm · Manufacturer: swiing® ingenious parts · Area of application: (Dis)assembly tool · Material: Steel · Surface: blackened · Surface: galvanized (blue) · Thread type: MF12x1.5 (fine pitch thread) · Thread type: MF17x1 (fine pitch thread) · Total length: 100 mm
EUR 21.20
Not in stock
Olympia cylinder head for 41 - 43 mm cylinder | Piaggio Ciao
Manufacturer: Olympia · Material: Aluminum · Height: 60 mm · Ø cylinder: 41 - 43 mm · Total length: 120 mm · Width: 78 mm · Area of application: Racing · Area of application: Tuning · Number of fixing points: 3 pcs · Candle thread: short
EUR 30.70
43 mm cylinder | Piaggio Ciao, SI, Bravo, Boxer
Nominal diameter: 43 mm · Manufacturer: Quenching · Camouflaged: No · Area of application: Tuning · Material: Gray cast iron · Surface: sandblasted · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Ø piston pin (B): 10 mm · Number of fixing points: 3 pcs · Outlet type: straight · Decompressor: Yes
EUR 71.10
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
