40.0 mm piston with 2 pieces of 2 mm rectangular piston rings with flank lock (FS) for 40 mm cylinder suitable for Puch Maxi, X30 Sport 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 |
| Nominal diameter | 40 mm |
| Ø outside piston (A) | 39.94 mm |
| Compression height (C) | 22.6 mm |
| Curvature (D) | 3.5 mm |
| Total piston height (E) | 50 mm |
| Number of piston rings (F) | 2 pcs |
| 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 | 90 g |
| Puch | Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
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
23,40 EUR
Explore categories from Piston
Moped fans also bought
swiing® revival nozzle set M3.5 (54 - 64) Bing SRE, SRA, SRC, SRF
Total length: 6 mm · Manufacturer: swiing® revival parts · Material: Brass · Component group Carburetor: Spraying · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Quantity: 6 pcs · Nozzle type: Main nozzle · Drive: Slot · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle size: 54 · Nozzle size: 56 · Nozzle size: 58 · Nozzle size: 60 · Nozzle size: 62 · Nozzle size: 64
18,70 EUR
GPO piston 40 mm (12 mm KoBo) | Puch X30 Velux fan-cooled
Manufacturer: GPO · Nominal diameter: 40 mm · Ø outside piston (A): 39.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.5 mm · Curvature (D): 3.4 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 · Weight piston kit: 89 g
41,10 EUR
swiing® revival crankshaft "original" | Sachs 50/2, 50/3
Material: Steel · Manufacturer: swiing® revival parts · Cheek type: standard · Connecting rod length center-center: 85 mm · Thread type: MF10x1 (fine pitch thread) · Crankshaft stroke: 42 mm · Total length of crankpin on clutch side: 40.6 mm · Total length crankpin ignition side: 63.2 mm · Ø crank webs: 30 mm · Ø Connecting rod eye: 15 mm · Ø piston pin (B): 12 mm · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · Thread length: 8 mm · Thread length: 11 mm · Area of application: Standard · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Length 1st paragraph: 18.7 mm · Length 2nd paragraph: 14 mm · Ø 1st step (on the coupling side): 15 mm · Ø 2nd shoulder (on the clutch side): 12 mm · Weight: 901 g · Length of shoulder (ignition side): 34 mm · Number of gears: 1 pcs · Number of gears: 3 pcs · Pony OEM number: A2565 · Sachs OEM no.: 0286 139 400
132,90 EUR
GPO gasket set 40 - 41 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Number of components: 4 pcs · Ø cylinder: 40 mm · Ø cylinder: 41 mm · Hole spacing inlet: 38 mm · Ø outlet inside: 22 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes · Area of application: Tuning
10,50 EUR
swiing® revival stud bolt set M6x30 (10.9 strength) galvanized
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 6 mm · Thread type: M6x1 (standard thread) · Nominal diameter (thread): 6 mm · Total length: 30 mm · Thread length: 12 mm · Width across flats: 10 mm · Strength class: 8 · Strength class: 10.9 · Drive: External hexagon
12,60 EUR
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
