47.0 mm replacement piston with a 2 mm rectangular piston ring and a 1.5 mm L-piston ring to fit the Gilardoni italkit cylinder for your Puch moped / moped.
The detailed dimensions 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.
| Manufacturer | Gilardoni italkit |
| Ø outside piston (A) | 46.97 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3.2 mm |
| Total piston height (E) | 52.5 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 47 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Thick piston ring | 2 mm |
| Ø piston pin (B) | 12 mm |
| Tolerance group | B |
| Weight piston kit | 100 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
Gilardoni italkit piston 47 mm #A | Puch
Manufacturer: Gilardoni italkit · Nominal diameter: 47 mm · Ø outside piston (A): 46.96 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.5 mm · Curvature (D): 3.2 mm · Total piston height (E): 52.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Tolerance group: A · Weight piston kit: 100 g
81,10 EUR
Gilardoni italkit piston 47 mm #C | Puch
Manufacturer: Gilardoni italkit · Nominal diameter: 47 mm · Ø outside piston (A): 46.98 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.5 mm · Curvature (D): 3.2 mm · Total piston height (E): 52.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Tolerance group: C · Weight piston kit: 101 g
81,10 EUR
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Number of components: 7 pcs · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
23,40 EUR
Gilardoni italkit 47 mm cylinder kit without cylinder head | Puch
Nominal diameter: 47 mm · Manufacturer: Gilardoni italkit · Material: Aluminum · Surface: sandblasted · Displacement: 75 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 51 mm · Ø outlet inside: 26.5 mm · Ø Inlet inside: 18.3 mm · Inlet window: 38.5 x 25.8 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 35.5 mm · Hole spacing inlet: 60 mm · Ø piston pin (B): 12 mm · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No · Area of application: Tuning
247,00 EUR
Not in stock
Gilardoni italkit piston 47 mm #D | Puch
Manufacturer: Gilardoni italkit · Nominal diameter: 47 mm · Ø outside piston (A): 46.99 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.5 mm · Curvature (D): 3.2 mm · Total piston height (E): 52.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Tolerance group: D · Weight piston kit: 102 g
81,10 EUR
Explore categories from Piston
Moped fans also bought
Hot 
Fuel tap horizontal M12x1 (with union nut) outgoing at the bottom
Manufacturer: GPO · Possible lever positions: open / closed / reserve · Thread type: MF12x1 (fine pitch thread) · Material lever: Metal · Filter type: Plastic net · Mounting type: Union nut · Installation direction: horizontal / horizontal · Outlet direction: below · Spare tube shape: curved · Ø fuel hose connection: 6 mm · Reserve level: 70 mm
11,70 EUR
Not so nice 
Merrick 2.25 x 17" tires MK 528 Semi-Slick Whitewall
Inventory-managed: No · Manufacturer: Merrick · Tire width: 2.25 " · Tire width [mm]: 60 · Width: 2 1/4 " · Tire height [%]: 90 · Wheel size: 17 " · Old designation: 21 x 2.25 " · Speed index: B = 50 km/h · Load capacity index: 39 = 136 kg · Profile type: MK-528-01 · Tire type: Semi-slick · Color: black · Color: white · White wall: Yes · Tubeless (yes/no): Tubetype TT (requires hose)
45,30 EUR
Heidenau 2.25 - 2.50 x 17" tube
Manufacturer: Heidenau · Tire width: 2.25 - 2.5 " · Tire width: 2.5 " · Tire width [mm]: 57.15 - 63.5 · Width: 2 1/4 " · Width: 2 1/2 " · Tire height [%]: 100 · Wheel size: 17 " · Valve type: TR6 car valve · Old designation: 21 x 2.25 " · Old designation: 21 x 2.5 "
27,70 EUR
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
