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.
| 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 |
| Nominal diameter | 42 mm |
| 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 · Area of application: Tuning · 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) · Number of fixing points: 4 pcs · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Decompressor: Yes · Camouflaged: Yes
EUR 358.80
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Number of components: 7 pcs · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 23.80
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 · Material: Spring steel · Surface: galvanized (blue) · Area of application: Original · Area of application: Standard · Ø outside: 30 mm · Ø inside: 25.5 mm · Ø wire: 2.4 mm · Total length: 125 mm
EUR 5.85
swiing® ingenious clutch springs reinforced (+20%) | Puch E50
Spring design: Pressure spring · Surface: coated · Color: blue · Manufacturer: swiing® ingenious parts · Number of components: 3 pcs · Material: Spring steel · Ø wire: 1.7 mm · Total length: 28 mm · Ø inside: 4.8 mm · Ø outside: 8.3 mm · Area of application: Tuning
EUR 21.40
Magura adjusting screw brake long
Manufacturer: Magura · Material: Brass · Surface: nickel-plated · Color: silver · Ø shaft: 6 mm · Drive: Knurled screw · Total length: 47 mm · Total length: 65 mm · Ø External head: 9.1 mm · Shank length: 11 mm · Thread length: 24 mm · Thread type: MF6x0.75 (fine pitch thread)
EUR 4.65
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 · Total length: 135 mm · Width: 125 mm · Height: 55 mm · Candle thread: short · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: Yes · Area of application: Tuning
EUR 59.70
EUR 47.70
Hot 
swiing® ingenious 15 mm carburetor camouflaged | Puch
Manufacturer: swiing® ingenious parts · Mounting type: Plug connection clamped · Material: Aluminum · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Nominal diameter: 15 mm · Camouflaged: Yes · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Total length: 66 mm · Ø Output inside: 15 mm · Width: 50 mm · Ø Air filter connection: 20 mm · Height: 95 mm · Ø fuel hose connection: 6 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.17 · Nozzle size: 62 · Area of application: Tuning · 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 95.60
Hot
swiing® ingenious 15 mm intake manifold camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Mounting type: Screws · Number of fixing points: 2 pcs · Material: Aluminum · Camouflaged: Yes · Ø External connection: 20 mm · Ø inside: 15 mm · Total height: 53 mm · Height flange center hole: 43 mm · Hole spacing inlet: 38 mm · Total length: 46 mm · Area of application: Tuning · Puch OEM number: 349.2.15.330.1 · Puch OEM number: 349.2.15.130.1
EUR 41.80
Attention: new opening hours from 16.02.2026 & new evening sale on Thursday 17:30-20:00
