Hot 
The legend is back! The legendary 43.5 mm Metrakit racing cylinder from days gone by has risen like a phoenix from the ashes and ignites a new fire in your Puch Maxi S, N, X30 Sport NS, NL and Supermaxi LG1 and LG2 moped / moped.
The aluminium cylinder with grey cast iron liner is an optimized replica of the original Metrakit racing cylinder. The timing has been revised compared to the original and provided with more advance, making the well-known piston sticking problem due to high heat development a thing of the past. In addition, the cylinder height has been precisely adapted so that the extra-thick base gasket previously required is now superfluous.
This GPO racing cylinder is one of the strongest and most powerful in its class and has been extensively tested. It impresses with ample torque across the entire power band and offers an impressively powerful performance. Thanks to the optimizations compared to the original, the cylinder also achieves a noticeably higher engine speed, which ensures even more power and driving pleasure.
To get the full power out of this tuning cylinder, we recommend at least a 15 mm carburetor. However, you can achieve significantly more power with a 17 mm carburetor. Thanks to the generous 19 mm intake, you have sufficient scope for optimum power delivery.
Manufacturer: GPO · Nominal diameter: 43.5 mm · Material: Aluminum · Ø outside piston (A): 43.46 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.9 mm · Curvature (D): 3.1 mm · Total piston height (E): 49.55 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring, L-ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.55 mm, 2 mm · Thick piston ring: 1.9 mm, 1.8 mm · Weight piston kit: 87 g
Manufacturer: GPO · Material: Sealing carton, Aluminum, Graphite / Graphite · Number of components: 4 pcs · Thickness: 0.4 mm, 0.5 mm, 2.6 mm · Ø cylinder: 43.5 mm, 45 mm · Hole spacing inlet: 38 mm · Ø outlet inside: 26.5 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 X 44
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 5.95 mm · Thread type: M6x1 (standard thread) · Total length: 30 mm · Thread length: 12 mm · Strength class: 10.9 · Nominal diameter (thread): 6 mm
| Nominal diameter | 43.5 mm |
| Manufacturer | GPO |
| Area of application | Tuning, Racing |
| Material | Aluminum, Gray cast iron |
| Surface | varnished |
| Displacement | 64 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 47.8 mm |
| Ø outlet inside | 26 mm |
| Ø Inlet inside | 19 mm |
| Thread inlet | M6x1 (standard thread) |
| Hole spacing inlet | 38 mm |
| Ø piston pin (B) | 12 mm |
| Number of fixing points | 4 pcs |
| Outlet type | straight |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Camouflaged | No |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
swiing® ingenious 15 mm carburetor set camouflaged | Puch E50
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Mounting type: Plug connection clamped · Mounting type: Stud bolts & nuts · Ø Air filter connection: 20 mm · Hole spacing inlet: 38 mm · Ø fuel hose connection: 5 mm · Ø fuel hose connection: 6 mm · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Camouflaged: Yes · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m · Area of application: Tuning
122,40 EUR
Hot
swiing® ingenious crankshaft "High End" with mounted bearings | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Material: Steel · Cheek type: Full cheeks · Crankshaft stroke: 43 mm · Connecting rod length center-center: 90 mm · Total length of crankpin on clutch side: 74 mm · Total length crankpin ignition side: 66 mm · Ø crank webs: 69.9 mm · Thread length: 11 mm · Ø piston pin (B): 12 mm · Thread length: 15 mm · Ø Connecting rod eye: 15 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Thread type: MF10x1 (fine pitch thread) · Area of application: High End · Area of application: Racing · Area of application: Tuning · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Wide crank webs: 34 mm · Length 1st paragraph: 9 mm · Length 2nd paragraph: 14.5 mm · Length 3rd paragraph: 25 mm · Ø 1st step (on the coupling side): 22 mm · Ø 2nd shoulder (on the clutch side): 17 mm · Ø 3rd step (on the clutch side): 15 mm · Length of shoulder (ignition side): 26.3 mm · Weight: 968 g · Number of gears: 1 pcs
209,90 EUR
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Puch Maxi, X30 Sport
Manufacturer: swiing® ingenious parts · Material: Steel · Color: Chrome · Surface: chrome-plated · Ø outside: 70 mm · Ø Internal connection: 28 mm · Mounting type: Screwed clamp · Exhaust type: Cigar · Total length: 730 mm · Flame tube attachment: Flange
139,90 EUR
Hot
swiing® ingenious intake manifold 17 mm SRF camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Ø inside: 17 mm · Ø External connection: 23 mm · Number of fixing points: 2 pcs · Mounting type: Stud bolts & nuts · Hole spacing inlet: 38 mm · Total height: 53.5 mm · Height flange center hole: 42 mm · Total length: 38 mm · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Camouflaged: Yes
52,40 EUR
HOMOET Exhaust "RS Cigar" 28 mm Black | Puch Maxi, X30
Manufacturer: HOMOET · Material: Steel · Color: black · Surface: powder-coated · Number of fixing points: 3 pcs · Ø Internal connection: 24.5 mm · Mounting type: Welded lug · Ø Flame tube outside: 28 mm · Exhaust type: Cigar · Total length: 920 mm · Flame tube attachment: Nuts & bolts
180,80 EUR
swiing® ingenious 17 mm carburetor set camouflaged | Puch E50
Nominal diameter: 17 mm · Manufacturer: swiing® ingenious parts · Component group Carburetor: Carburetor complete · Carburetor type: SRF · Mounting type: Plug connection clamped · Ø Air filter connection: 27.5 mm · Hole spacing inlet: 38 mm · Mixed oil connection: No · Choke control: Hand choke · Area of application: Racing · Area of application: Tuning · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle block: 2.2 · Camouflaged: Yes · Nozzle size: 74 · Clamping screw torque (max.): 4 N/m
209,90 EUR
Not in stock
swiing® ingenious resonance exhaust set Ø 28 / 70 mm camouflaged | Puch Maxi
Manufacturer: swiing® ingenious parts · Material: Steel · Color: Chrome · Surface: chrome-plated · Ø outside: 70 mm · Ø Silencer: 70 mm · Ø Internal connection: 28 mm · Mounting type: Screwed clamp · Ø Flame tube outside: 28 mm · Exhaust type: Cigar · Total length: 730 mm · Flame tube attachment: Flange
180,80 EUR
Not in stock
GPO piston rings 43.5 mm (Metrakit replica) | Puch
Nominal diameter: 43.5 mm · Manufacturer: GPO · Thick piston ring: 1.7 mm · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring impact: Internal fuse (IS) · Height: 1.5 mm
15,10 EUR
GPO 45 mm cylinder kit (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Surface: varnished · Crankshaft stroke: 43 mm · Displacement: 70 ccm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Number of fixing points: 4 pcs · Ø Inlet inside: 19 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Hole spacing inlet: 38 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Area of application: Racing · Area of application: Tuning · Camouflaged: No
186,60 EUR
Hot
GPO 21 mm intake manifold Dell'Orto PHBG | Puch E50 / Z50 / ZA50 (wind cooled) / ZA50 (Cat.)
Manufacturer: GPO · Material: Aluminum · Ø inside: 21 mm · Ø External connection: 26 mm · Number of fixing points: 2 pcs · Mounting type: Stud bolts & nuts · Hole spacing inlet: 38 mm · Total height: 68.6 mm · Total length: 85.5 mm · Area of application: Racing · Area of application: Tuning
40,30 EUR
Explore categories from Cylinder
Moped fans also bought
swiing® revival Stud Bolt, Inlet/Outlet M6x30 (Grade 10.9)
Material: Steel · Total length: 30 mm · Manufacturer: swiing® revival parts · Strength class: 10.9 · Surface: galvanized (blue) · Diameter: 5.95 mm · Thread type: M6x1 (standard thread) · Nominal diameter (thread): 6 mm · Thread length: 12 mm
2,10 EUR
swiing® revival Stud Bolt Set M6x106 | Puch
Material: Steel · Total length: 106 mm · Manufacturer: swiing® revival parts · Surface: galvanized (blue) · Diameter: 5.9 mm · Thread type: M6x1 (standard thread) · Nominal diameter (thread): 6 mm · Drive: External hexagon · Width across flats: 10 mm · Thread length: 13 mm · Thread length: 18.5 mm · Alternative version of the Puch OEM number: 360.1.10.034.1
8,65 EUR
GPO 44 mm Cylinder Head Tuning, Black | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 44 mm · 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 · Camouflaged: Yes
50,10 EUR
GPO 43.5 mm piston (Metrakit replica) | Puch
Nominal diameter: 43.5 mm · Manufacturer: GPO · Material: Aluminum · Thick piston ring: 1.8 mm · Thick piston ring: 1.9 mm · Ø outside piston (A): 43.46 mm · Compression height (C): 22.9 mm · Curvature (D): 3.1 mm · Total piston height (E): 49.55 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.55 mm · Piston ring height: 2 mm · Weight piston kit: 87 g
58,20 EUR
GPO 45 mm piston (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Thick piston ring: 1.8 mm · Thick piston ring: 1.9 mm · Ø outside piston (A): 44.93 mm · Compression height (C): 23.25 mm · Curvature (D): 2.85 mm · Total piston height (E): 49.6 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.55 mm · Piston ring height: 2 mm · Weight piston kit: 98 g
58,20 EUR
GPO gasket set 43.5 & 45 mm (Metrakit replica) | Puch
Thickness: 0.4 mm · Thickness: 0.5 mm · Thickness: 2.6 mm · Manufacturer: GPO · Material: Aluminum · Material: Graphite / Graphite · Material: Sealing carton · Ø cylinder: 43.5 mm · Ø cylinder: 45 mm · Ø outlet inside: 26.5 mm · Hole pattern [mm]: 44 X 44 · Hole spacing inlet: 38 mm · Number of components: 4 pcs · Hole spacing outlet: 42 mm
17,40 EUR
GPO 45 mm cylinder kit (Metrakit replica) | Puch
Nominal diameter: 45 mm · Manufacturer: GPO · Material: Aluminum · Material: Gray cast iron · Surface: varnished · Crankshaft stroke: 43 mm · Displacement: 70 ccm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 26 mm · Number of fixing points: 4 pcs · Ø Inlet inside: 19 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Hole spacing inlet: 38 mm · Outlet type: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Area of application: Racing · Area of application: Tuning · Camouflaged: No
186,60 EUR
Working late? Evening hours on Thursday until 20:00
