42.5 mm oversize piston with an L-shaped piston ring with internal circlip (IS) and a rectangular piston ring with flank circlip (FS) for blown cylinders of 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) | 42.45 mm |
| Compression height (C) | 23 mm |
| Curvature (D) | 3.5 mm |
| Total piston height (E) | 53 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 41 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Internal fuse (IS), Flank safety device (FS) |
| Weight piston kit | 100 g |
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
Ratings
Accessories & related products
Meteor piston 38 mm #1 | Puch
Nominal diameter: 38 mm · Manufacturer: Meteor · Ø outside piston (A): 37.95 mm · Compression height (C): 22.7 mm · Curvature (D): 3.3 mm · Total piston height (E): 52.5 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 · Ø piston pin (B): 12 mm · Tolerance group: 1 · Weight piston kit: 79 g · Puch OEM number: 349.1.10.106.0/21
58,20 EUR
Meteor piston 38 mm #4 | Puch
Nominal diameter: 38 mm · Manufacturer: Meteor · Ø outside piston (A): 37.98 mm · Compression height (C): 22.7 mm · Curvature (D): 3.3 mm · Total piston height (E): 52.5 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 · Ø piston pin (B): 12 mm · Tolerance group: 4 · Weight piston kit: 80 g
58,20 EUR
Meteor piston 39 mm oversize | Puch Supermaxi Cat.
Nominal diameter: 39 mm · Manufacturer: Meteor · Ø outside piston (A): 39 mm · Compression height (C): 24 mm · Curvature (D): 2.3 mm · Total piston height (E): 55.3 mm · Number of piston rings (F): 1 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight piston kit: 86 g
65,20 EUR
Meteor piston 39 mm oversize | Puch
Nominal diameter: 39 mm · Manufacturer: Meteor · Ø outside piston (A): 38.96 mm · Compression height (C): 22.2 mm · Curvature (D): 3.8 mm · Total piston height (E): 52.5 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.65 mm · Ø piston pin (B): 12 mm · Weight piston kit: 88 g
64,10 EUR
Piston 43.7 mm Hero oversize | Puch
Nominal diameter: 43.5 mm · Ø outside piston (A): 43.7 mm · Compression height (C): 27.5 mm · Curvature (D): 2.7 mm · Total piston height (E): 57.2 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight piston kit: 97 g
69,90 EUR
Meteor piston 38.5 mm oversize | Puch
Nominal diameter: 38.5 mm · Manufacturer: Meteor · Ø outside piston (A): 38.46 mm · Compression height (C): 22.7 mm · Curvature (D): 3.3 mm · Total piston height (E): 52.5 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 · Ø piston pin (B): 12 mm
64,10 EUR
Not in stock
Explore categories from Piston
Moped fans also bought
Hot 
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Ø nipple: 3.5 mm · Ø nipple: 6 mm · Manufacturer: Made in Germany · Area of application: Standard · Material: Steel · Surface: galvanized (blue) · Cable length: 2200 mm · Nipple length: 10 mm · Number of components: 1 pcs
2,80 EUR
swiing® ingenious pull-wire starter PVL ignition | Puch E50
Ø outside: 130 mm · Total length: 170 mm · Manufacturer: swiing® ingenious parts · Material: Plastic · Material: Steel · Surface: chrome-plated · Surface: raw · Color: Chrome · Ignition system: PVL · Width: 150 mm · Height: 80 mm · Hole spacing: 138 mm · Number of fixing points: 2 pcs
174,90 EUR
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
