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
Nominal diameter: 42 mm · Manufacturer: Malossi · Material: Aluminum · Surface: sandblasted · Displacement: 60 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 25 mm · Inlet window: 22 x 14 · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 38 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 · Decompressor: Yes · Camouflaged: Yes · Area of application: Tuning
EUR 369.10
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Area of application: (Dis)assembly tool · Material: Steel · Surface: burnished · Number of components: 7 pcs · Total length: 130 mm · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats: 10 mm · Width across flats: 17 mm
EUR 24.50
Explore categories from Piston
Moped fans also bought
Return spring brake plate | Puch Maxi
Spring design: Nose feather · Spring design: Torsion spring · Ø wire: 2.4 mm · Ø inside: 25.5 mm · Ø outside: 30 mm · Total length: 125 mm · Leg length: 45 mm · Length spring hook: 50 mm · Material: Spring steel · Surface: galvanized (blue) · Area of application: Original · Area of application: Standard
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 · Color: blue · Total length: 28 mm · Ø inside: 4.8 mm · Ø outside: 8.3 mm · Number of components: 3 pcs · Area of application: Tuning
EUR 22.00
Magura adjusting screw brake long
Ø External head: 9.1 mm · Manufacturer: Magura · Material: Brass · Surface: nickel-plated · Drive: Knurled screw · Color: silver · Total length: 47 mm · Total length: 65 mm · Thread type: MF6x0.75 (fine pitch thread) · Ø shaft: 6 mm · Thread length: 24 mm · Shank length: 11 mm
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 · Ø cylinder: 42 mm · Camouflaged: Yes · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Candle thread: short · Decompressor: No · Total length: 135 mm · Width: 125 mm · Height: 55 mm · Area of application: Tuning
EUR 61.40
EUR 49.10
Hot 
swiing® ingenious 15 mm carburetor camouflaged | Puch
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Mounting type: Plug connection clamped · Material: Aluminum · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Choke control: Hand choke · Carburetor type: SRE · Ø fuel hose connection: 6 mm · Ø Inside entrance: 15 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Ø Internal connection: 20 mm · Total length: 66 mm · Width: 50 mm · Height: 95 mm · Mixed oil connection: No · Vacuum connection: No · Area of application: Tuning · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · 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 98.30
Hot
swiing® ingenious 15 mm intake manifold camouflaged | Puch E50
Ø inside: 15 mm · Manufacturer: swiing® ingenious parts · Material: Aluminum · Camouflaged: Yes · Ø External connection: 20 mm · Hole spacing inlet: 38 mm · Total length: 46 mm · Mounting type: Screws · Number of fixing points: 2 pcs · Total height: 53 mm · Height flange center hole: 43 mm · Area of application: Tuning · Puch OEM number: 349.2.15.330.1 · Puch OEM number: 349.2.15.130.1
EUR 43.00
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
