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.
| 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 |
| Nominal diameter | 40 mm |
| Piston ring mold | L-ring, Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 2 mm, 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Piston weight | 89 g |
| 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 · 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) · Ø piston pin (B): 10 mm · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Piston weight: 78 g
EUR 56.60
GPO piston pin extractor Ø 10, 12, 14 mm
Material: Steel · Surface: burnished · Total length: 130 mm · Manufacturer: GPO · Number of components: 7 pcs · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm
EUR 23.50
Moped fans 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 outlet: 42 mm · Hole spacing inlet: 38 mm · Hole pattern [mm]: 44 x 44 mm · Decompressor: Yes
EUR 10.50
GPO 15 mm intake manifold | Puch ZA50
Manufacturer: GPO · Mounting type: Screws · Number of fixing points: 2 pcs · Material: Aluminum · Camouflaged: No · Ø inside: 15 mm · Ø External connection: 20 mm · Total height: 63 mm · Total length: 51.5 mm · Area of application: Tuning · Height flange center hole: 52.5 mm · Hole spacing inlet: 32 - 38 mm
EUR 46.70
Not in stock
swiing® revival stud bolt set M6x30 (strength 10.9) galvanized
Material: Steel · Surface: galvanized (blue) · Drive: External hexagon · Total length: 30 mm · Manufacturer: swiing® revival parts · Diameter: 6 mm · Thread type: M6x1 (standard thread) · Strength class: 8 · Strength class: 10.9 · Width across flats SW: 10 mm · Thread length: 12 mm
EUR 12.60
Set
Hot 
swiing 40 mm cylinder kit 12 mm KoBo | Puch X30 Velux, NG-2AH
Nominal diameter: 40 mm · Manufacturer: swiing · Material: Gray cast iron · Surface: sandblasted · Displacement: 55 ccm · Crankshaft stroke: 43 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No · Area of application: Tuning
EUR 189.00
Collection only possible with online purchase and appointment.
