40.0 mm replacement piston with a 2 mm L-shaped piston ring and a 1.5 mm rectangular piston ring for your Puch X30 Velux with 40 mm cylinder.
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 positions and locking types on the legend in the pictures.
The piston kit contains piston pins, piston clips and piston rings.
You can find the corresponding assembly tools, piston rings, piston pin locks etc. in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
Details
| 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, Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 2 mm, 1.5 mm |
| Piston weight | 89 g |
Suitable for the following models
| Puch | ZA50 (fan-cooled) Z50 (X30 Velux) 2-speed MS, MV, MV50 3-speed VSD, DS, VZ, MC |
Accessories & related products
Piston 40 mm (10 mm KoBo) | Puch X30 Velux fan-cooled
Nominal diameter: 40 mm · Ø outside piston (A): 39.95 mm · Ø piston pin (B): 10 mm · Compression height (C): 23.6 mm · Curvature (D): 3.4 mm · Total piston height (E): 49.4 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Piston weight: 78 g
EUR 54.40
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Number of components: 7 pcs · Material: Steel · Surface: burnished · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm
EUR 22.60
Moped fans like you also bought:
GPO gasket set 40 - 41 mm cylinder fan-cooled | Puch X30 NG-2AH, Velux
Manufacturer: GPO · Number of components: 4 pcs · Area of application: Tuning · Ø cylinder: 40 mm · Ø cylinder: 41 mm · Ø outlet inside: 22 mm · Hole spacing inlet: 38 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 10.10
GPO 15 mm intake manifold | Puch (ZA50)
Manufacturer: GPO · Material: Aluminum · Camouflaged: No · Ø External connection: 20 mm · Mounting type: Screws · Ø inside: 15 mm · Number of fixing points: 2 pcs · Total length: 51.5 mm · Area of application: Tuning · Height flange center hole: 52.5 mm · Total height: 63 mm · Hole spacing inlet: 32 - 38 mm
EUR 44.90
swiing® revival stud bolt set M6x30 (strength 10.9) galvanized
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 6 mm · Thread length: 12 mm · Total length: 30 mm · Thread type: M6x1 (standard thread) · Drive: External hexagon · Strength class: 8 · Width across flats SW: 10 mm · Strength class: 10.9
EUR 12.10
Set
Hot 
swiing 40 mm cylinder kit 12 mm KoBo | Puch X30 Velux, NG-2AH
Manufacturer: swiing · Material: Gray cast iron · Surface: sandblasted · Area of application: Tuning · Displacement: 55 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 40 mm · Camouflaged: No · Thread inlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Hole spacing outlet: 42 mm · Outlet type: straight · Hole spacing inlet: 32 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44
EUR 181.70
Collection only possible with online purchase and appointment.
