42.0 mm replacement piston with a 1.5 mm rectangular piston ring with internal fuse (IS) for the 42 mm Malossi cylinder kit suitable for Puch 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 | 42 mm |
| Manufacturer | Malossi |
| Ø outside piston (A) | 41.96 mm |
| Compression height (C) | 22.7 mm |
| Curvature (D) | 4.4 mm |
| Total piston height (E) | 57.6 mm |
| Number of piston rings (F) | 1 pcs |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Ratings
Accessories & related products
Malossi 42 mm cylinder kit 60 cc camouflaged | Puch
Manufacturer: Malossi · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 42 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 25 mm · Hole spacing inlet: 38 mm · Number of fixing points: 4 pcs · Inlet window: 22 x 14 · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Decompressor: Yes · Camouflaged: Yes
EUR 367.60
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Area of application: (Dis)assembly tool · Width across flats: 10 mm · Width across flats: 17 mm · Total length: 130 mm · Number of components: 7 pcs · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm
EUR 24.40
Explore categories from Piston
Moped fans also bought
Return spring brake plate | Puch Maxi
Spring design: Nose feather · Spring design: Torsion spring · Length spring hook: 50 mm · Leg length: 45 mm · Ø wire: 2.4 mm · Material: Spring steel · Surface: galvanized (blue) · Area of application: Original · Area of application: Standard · Ø inside: 25.5 mm · Ø outside: 30 mm · Total length: 125 mm
EUR 6.00
swiing® ingenious clutch springs reinforced (+20%) | Puch E50
Spring design: Pressure spring · Ø wire: 1.7 mm · Manufacturer: swiing® ingenious parts · Material: Spring steel · Surface: coated · Area of application: Tuning · Color: blue · Ø inside: 4.8 mm · Ø outside: 8.3 mm · Total length: 28 mm · Number of components: 3 pcs
EUR 21.90
Magura adjusting screw brake long
Manufacturer: Magura · Material: Brass · Surface: nickel-plated · Color: silver · Ø shaft: 6 mm · Shank length: 11 mm · Thread length: 24 mm · Total length: 47 mm · Total length: 65 mm · Drive: Knurled screw · Ø External head: 9.1 mm · Thread type: MF6x0.75 (fine pitch thread)
EUR 4.80
GPO 42 mm cylinder head tuning Malossi | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Ø cylinder: 42 mm · Height: 55 mm · Width: 125 mm · Total length: 135 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Candle thread: short · Decompressor: No · Camouflaged: Yes
EUR 61.20
EUR 48.90
Hot 
swiing® ingenious 15 mm carburetor camouflaged | Puch
Manufacturer: swiing® ingenious parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Area of application: Tuning · Carburetor type: SRE · Nominal diameter: 15 mm · Width: 50 mm · Total length: 66 mm · Height: 95 mm · Ø fuel hose connection: 6 mm · Ø Internal connection: 20 mm · Ø Inside entrance: 15 mm · Ø Output inside: 15 mm · Mounting type: Plug connection clamped · Ø Air filter connection: 20 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Camouflaged: Yes · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m · Puch OEM number: 349.1.15.100.0 · Puch OEM number: 349.2.15.800.0 · Puch OEM number: 349.4.15.500.0 · Puch OEM number: 349.4.15.000.0 · Puch OEM number: 349.4.15.300.0 · Puch OEM number: 349.6.15.400.0 · Puch OEM number: 349.7.15.700.0 · Puch OEM number: 349.8.15.400.0 · Puch OEM number: 349.9.15.300.0
EUR 97.90
Hot
swiing® ingenious 15 mm intake manifold camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Area of application: Tuning · Ø inside: 15 mm · Ø External connection: 20 mm · Hole spacing inlet: 38 mm · Number of fixing points: 2 pcs · Mounting type: Screws · Height flange center hole: 43 mm · Total height: 53 mm · Total length: 46 mm · Camouflaged: Yes · Puch OEM number: 349.2.15.330.1 · Puch OEM number: 349.2.15.130.1
EUR 42.80
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
