Piston in the 42 mm version, suitable for your Puch Maxi S / N, Supermaxi LG1 / LG2 and your X30 Sport NS / NL moped / moped with E50 / ZA50 (Fahrtwindgekühlt) / ZA50 (catalytic converter) or Z50 engine.
This replacement piston with 42 mm diameter is suitable as a spare part for the camouflaged CH12 AKOA Puch cylinder with 60 cc. The detailed dimensions of the piston according to the technical drawing can be found in the properties. The piston kit is supplied complete with piston rings, piston pins and circlips so that you have everything you need for installation.
| Manufacturer | AKOA |
| Material | Aluminum |
| Ø outside piston (A) | 41.95 mm |
| Compression height (C) | 22.58 mm |
| Curvature (D) | 3.36 mm |
| Total piston height (E) | 52.52 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 42 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.46 mm |
| Thick piston ring | 1.65 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 84.7 g |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
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
EUR 23.60
Meteor piston pin Ø 12 x 33 mm
Manufacturer: Meteor · Total length: 31 mm · Total length: 31.5 mm · Total length: 33 mm · Total length: 35.5 mm · Total length: 37 mm · Total length: 38 mm · Total length: 40 mm · Material: Steel · Surface: Hardened · Ø piston pin (B): 12 mm · Pony OEM number: A1112 · Sachs OEM no.: 0216 003 105
EUR 8.20
AKOA 42 mm cylinder kit black CH12 | Puch E50 / Z50 / ZA50
Manufacturer: AKOA · Material: Aluminum · Surface: Nickel silicon carbide (colloquially known as Nikasil) · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 47.9 mm · Camouflaged: No · Ø Outlet outside: 19.9 mm · Number of fixing points: 4 pcs · Inlet window: 22.5 x 14.8 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Hole spacing inlet: 38 mm · Decompressor: No · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Area of application: Tuning
EUR 169.60
Explore categories from Piston
Moped fans also bought
swiing® revival nut / spring washer clutch E50 | Puch Maxi
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Nut type: Hexagon nut 0.8D · Drive: External hexagon · Height: 8 mm · Thread type: MF10x1 (fine pitch thread) · Nominal diameter (thread): 10 mm · Width across flats: 17 mm
EUR 4.65
Oil seal FPM 22/40/7 A DUO crankshaft | Puch E50
Place of use: Crankshaft · Temperature resistance (min.): -30 - 200 °C · Shaft seal type: A DUO - With rubberized outer casing / two sealing lips. · Ø inside: 22 mm · Ø outside: 40 mm · Width: 7 mm · Manufacturer: Puch · Material: FPM / FKM (colloquially known as Viton)
EUR 14.10
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
