38.0 mm replacement piston with two 2 mm rectangular piston rings with flank lock (FS) suitable for Puch Maxi S / N, Puch X30 Sport NS / NL, as well as Puch X30 Velux mopeds / mopeds.
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 | Meteor |
| Ø outside piston (A) | 37.95 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3.55 mm |
| Total piston height (E) | 50.05 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 38 mm |
| Piston ring mold | Rectangular ring |
| Ø piston pin (B) | 10 mm |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 2 mm |
| Weight piston kit | 75 g |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Total length: 130 mm · Manufacturer: GPO · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Area of application: (Dis)assembly tool · Material: Steel · Surface: burnished · Number of components: 7 pcs · Width across flats: 10 mm · Width across flats: 17 mm
EUR 24.40
Explore categories from Piston
Moped fans also bought
Inox
Hot 
GPO license plate holder Inox (CH version)
Height: 5.3 mm · Width: 105 mm · Total length: 145 mm · Manufacturer: GPO · Material: Chrome steel (colloquially known as stainless steel) · Color: silver · Mounting type: Nuts & bolts · Number of fixing points: 2 pcs · Ø mounting hole: 5 mm · Hole spacing: 30 mm · Hole spacing: 50 mm · Thread type: M5x0.8 (standard thread) · Thread length: 8 mm
EUR 13.40
GPO 15 mm carburetor tuning | Puch
Nominal diameter: 15 mm · Width: 50 mm · Total length: 66 mm · Height: 95 mm · Manufacturer: GPO · Area of application: Tuning · Component group Carburetor: Carburetor complete · Material: Aluminum · Choke control: Hand choke · Carburetor type: SRE · Nozzle size: 62 · Ø fuel hose connection: 6 mm · Mounting type: Plug connection clamped · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Mixed oil connection: No · Vacuum connection: No · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Camouflaged: No · Clamping screw torque (max.): 4 N/m
EUR 79.60
GPO fork lock | Puch
Total length: 40.8 mm · Ø rotating part: 12 mm · Manufacturer: GPO · Wide locking block: 4.1 mm · Locking block length: 15.3 mm · Material: Brass · Material: Spring steel · Material: Steel · Width: 17 mm · Ø outside: 12 mm · Length of turned part: 25.6 mm · Ø Pin: 8 mm
EUR 12.90
Hot
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø Stranded wire: 1.25 mm · Nipple shape: Cylinder · Ø nipple: 3 mm · Nipple length: 5 mm · Manufacturer: Made in Germany · Area of application: Standard · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Cable length: 2200 mm
EUR 2.95
Motorex engine oil (gear oil) manual 450 ml
Manufacturer: Motorex · Temperature resistance (min.): -30 - 220 °C · Viscosity (SAE): 80W · Area of application: Gearbox lubrication with clutch · Oil type: GL4 · Contents: 450 ml · Gearbox type: Foot control · Gearbox type: Manual gearshift
EUR 13.40
EUR 29.78/l
swiing® ingenious exhaust manifold 28 mm chrome | Puch X30 Velux
Total length: 380 mm · Manufacturer: swiing® ingenious parts · Material: Steel · Surface: chrome-plated · Color: Chrome · Mounting type: Stud bolts & nuts · Number of fixing points: 2 pcs · Ø inside: 25 mm · Ø outside: 28 mm · Hole spacing outlet: 42 mm
EUR 48.90
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
