38.40 mm oversize piston with an L-ring featuring an internal lock and a rectangular piston ring with a flank lock (FS) from DR for all Piaggio mopeds.
You can find the detailed dimensions of the piston, as shown in the technical drawing, in the product details. You can also find information about common piston rings, their clearances, and retaining types in the legend in the images.
The tuning piston is designed for bored and honed cylinders.
The piston kit includes piston pins, piston clips, and piston rings.
Note: Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust on the exhaust side.
You can find the appropriate installation tools, piston pin retainers, and, if necessary, the corresponding cylinder among the accessories.
A quality product from the Italian manufacturer DR Racing Parts.
| Nominal diameter | 38.4 mm |
| Manufacturer | DR Racing Parts |
| Ø outside piston (A) | 38.33 mm |
| Compression height (C) | 26.4 mm |
| Curvature (D) | 3.8 mm |
| Total piston height (E) | 52.3 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
| Piston ring height | 2 mm, 1.5 mm |
| Ø piston pin (B) | 10 mm |
| Weight piston kit | 78 g |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Manufacturer: GPO · Material: Steel · Surface: burnished · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool · Total length: 130 mm · Number of components: 7 pcs
EUR 24.40
DR 38.4 mm cylinder kit 10 mm KoBo | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: DR Racing Parts · Material: Gray cast iron · Camouflaged: No · Surface: varnished · Crankshaft stroke: 43 mm · Displacement: 50 ccm · Ø cylinder neck: 45.6 mm · Number of fixing points: 3 pcs · Ø Outlet outside: 22.5 mm · Nominal diameter: 38.4 mm · Ø outlet inside: 17 mm · Ø piston pin (B): 10 mm · Area of application: Tuning · Outlet type: clamped · Hole pattern [mm]: 35 x 55 · Decompressor: Yes
EUR 159.20
Explore categories from Piston
Moped fans also bought
Hot 
swiing® revival Pedal Crank Set, Chrome | Puch
Manufacturer: swiing® revival parts · Material: Steel · Color: Chrome · Surface: chrome-plated · Thread type: FG14.3 (9/16" 20G) · Wide intake: 28 mm · Crank length (center-center): 156 mm · Ø Pedal wedge: 9.5 mm · Total length: 180 mm · Ø Pedal axle: 16 mm · Cranking (offset): 37 mm · Cranking (offset): 49 mm
EUR 91.80
IMCA shock absorber 32 cm "Oldschool" chrome / silver
Ø outside: 40 mm · Manufacturer: IMCA · Hole spacing: 320 mm · Material: Steel · Surface: chrome-plated · Color: silver · Surface: varnished · Adjustable: No · Damping type: Spring · Ø spars: 28 mm · Number of fixing points: 2 pcs · Ø Fastening inside: 10 mm · Total length: 350 mm · Mounting type: Nuts & bolts
EUR 94.30
swiing® revival nozzle set M5 (50 - 60) Dell'Orto SHA, PHBG
Manufacturer: swiing® revival parts · Material: Brass · Quantity: 11 pcs · Component group Carburetor: Spraying · Carburetor type: PHBG · Carburetor type: SHA · Carburetor type: SHA (Piaggio) · Nozzle type: Main nozzle · Drive: Slot · Total length: 8 mm · Nozzle thread: M5x0.8 (standard thread) · Nozzle size: 50 · Nozzle size: 51 · Nozzle size: 52 · Nozzle size: 53 · Nozzle size: 54 · Nozzle size: 55 · Nozzle size: 56 · Nozzle size: 57 · Nozzle size: 58 · Nozzle size: 59 · Nozzle size: 60
EUR 28.10
Working late? Evening hours on Thursday until 20:00
