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.
| Nominal diameter | 40 mm |
| Manufacturer | Meteor |
| Ø outside piston (A) | 39.94 mm |
| Ø piston pin (B) | 10 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 |
| 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 |
Ratings
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 24.50
EUR 22.00
Explore categories from Piston
Moped fans also bought
swiing® revival nozzle set M3.5 (54 - 64) Bing SRE, SRA, SRC, SRF
Manufacturer: swiing® revival parts · Quantity: 6 pcs · Component group Carburetor: Spraying · Material: Brass · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Nozzle type: Main nozzle · Drive: Slot · Total length: 6 mm · 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
EUR 19.60
GPO piston 40 mm (12 mm KoBo) | Puch X30 Velux fan-cooled
Nominal diameter: 40 mm · Manufacturer: GPO · Ø outside piston (A): 39.94 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 · Ø piston pin (B): 12 mm · Weight piston kit: 89 g
EUR 43.00
swiing® revival crankshaft "Original" | Sachs 50/2, 50/3
Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Manufacturer: swiing® revival parts · Area of application: Standard · Material: Steel · Cheek type: standard · Thread type: MF10x1 (fine pitch thread) · Crankshaft stroke: 42 mm · Ø piston pin (B): 12 mm · Connecting rod length center-center: 85 mm · Total length of crankpin on clutch side: 40.6 mm · Total length crankpin ignition side: 63.2 mm · Weight: 901 g · Ø crank webs: 30 mm · Thread length: 8 mm · Thread length: 11 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 15 mm · Ø Bearing seat (ignition side): 15 mm · 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 · 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
EUR 138.90
GPO gasket set 40 - 41 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Ø cylinder: 40 mm · Ø cylinder: 41 mm · Number of components: 4 pcs · Ø outlet inside: 22 mm · Hole spacing inlet: 38 mm · Hole pattern [mm]: 44 x 44 mm · Hole spacing outlet: 42 mm · Area of application: Tuning · Decompressor: Yes
EUR 10.90
swiing® revival stud bolt set M6x30 (10.9 strength) galvanized
Drive: External hexagon · Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 6 mm · Total length: 30 mm · Thread type: M6x1 (standard thread) · Strength class: 8 · Strength class: 10.9 · Thread length: 12 mm · Width across flats: 10 mm
EUR 13.20
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
