GPO 45 mm tuning cylinder suitable for various Puch mopeds (Puch Maxi S / N, Puch X30 Sport NS / NL, Puch X30 NG-2A, as well as Puch Supermaxi).
In order to get the full power out of the cylinder, a racing exhaust and a larger carburetor should be fitted.
The matching stud bolts for the intake and exhaust can be found in the accessories.
Scope of delivery as shown in Figure 1.
This racing kit is also offered in other stores under the names DMP, PSR, Power One or Akoa. However, it is actually just a good, inexpensive standard replacement part. GPO – GOOD PARTS ONLY.
Manufacturer | GPO |
Material | Aluminum |
Surface | sandblasted |
Displacement | 70 ccm |
Crankshaft stroke | 43 mm |
Nominal diameter | 45 mm |
Ø cylinder neck | 47.8 mm |
Ø outlet inside | 23.4 mm |
Inlet window | 21.4 x 13.5 |
Ø piston pin (B) | 12 mm |
Number of fixing points | 4 pcs |
Thread inlet | M6x1 (standard thread) |
Area of application | Tuning |
Hole spacing outlet | 42 mm |
Outlet type | straight |
Thread outlet | M6x1 (standard thread) |
Hole pattern [mm] | 44 x 44 |
Decompressor | No |
Camouflaged | No |
Hole spacing inlet | 38 mm |
Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
GPO 45 mm cylinder head tuning | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Ø cylinder: 45 mm · Surface: sandblasted · Total length: 135 mm · Width: 125 mm · Candle thread: short · Height: 55 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: Yes · Area of application: Tuning
38,20 EUR
swiing® revival stud bolts M6x38 inlet/outlet galvanized (10.9 strength)
Manufacturer: swiing® revival parts · Material: Steel · Thread type: M6x1 (standard thread) · Surface: galvanized (blue) · Diameter: 5.9 mm · Total length: 38 mm · Thread length: 11 mm · Thread length: 19 mm · Strength class: 10.9
2,30 EUR
swiing® ingenious 15 mm carburetor set "Tuning" camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Component group Carburetor: Carburetor complete · Carburetor type: SRE · Nominal diameter: 15 mm · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Area of application: Tuning · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Ø fuel hose connection: 5 mm · Ø fuel hose connection: 6 mm · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Mounting type: Plug connection clamped · Mounting type: Stud bolts & nuts · Camouflaged: Yes · Nozzle size: 62 · Hole spacing inlet: 38 mm · Clamping screw torque (max.): 4 N/m
121,90 EUR
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Bearing type: Needle roller and cage assembly · Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Ø inside: 12 mm · Width: 14.2 mm · Ø outside: 15 mm · Dimension needle bearing: 12/15 x 14.2 · Alternative version of the Pony OEM number: A4222 · Tomos OEM number: 035548 · Alternative version of the Sachs OEM number: 0232 157 001
13,80 EUR
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Puch Maxi, X30 Sport
Manufacturer: swiing · Material: Steel · Surface: chrome-plated · Ø outside: 70 mm · Color: Chrome · Total length: 730 mm · Flame tube attachment: Flange · Ø Internal connection: 28 mm · Exhaust type: Cigar · Mounting type: Screwed clamp
139,40 EUR
Moped fans also bought
Gas cable Ø 1.25 mm x 220 cm (cylindrical nipple) Bing
Ø Stranded wire: 1.25 mm · Nipple shape: Cylinder · Ø nipple: 3 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Cable length: 2200 mm · Area of application: Standard · Nipple length: 5 mm · Number of components: 1 pcs
2,80 EUR
GPO 45 mm cylinder head tuning | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Ø cylinder: 45 mm · Surface: sandblasted · Total length: 135 mm · Width: 125 mm · Candle thread: short · Height: 55 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: Yes · Area of application: Tuning
38,20 EUR
Flame tube 28 mm chrome | Puch Maxi S, N / X30 Sport
Manufacturer: Made in Portugal · Material: Steel · Surface: chrome-plated · Ø inside: 24 mm · Ø outside: 28 mm · Color: Chrome · Total length: 295 mm · Number of fixing points: 2 pcs · Hole spacing outlet: 42 mm · Mounting type: Stud bolts & nuts
19,60 EUR
swiing® ingenious crankshaft "High End" with mounted bearings | Puch E50
Manufacturer: swiing® ingenious parts · Weight: 968 g · 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 · Ø piston pin (B): 12 mm · Area of application: High End · Area of application: Racing · Area of application: Tuning · 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) · Thread length: 11 mm · Thread length: 15 mm · 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 · Number of gears: 1 pcs
209,10 EUR
swiing® ingenious 17 mm SRF carburetor tuning camouflaged | Puch Maxi, Supermaxi, X30 NS / NL
Manufacturer: swiing® ingenious parts · Material: Aluminum · Component group Carburetor: Carburetor complete · Width: 47 mm · Carburetor type: SRE · Height: 89 mm · Height: 109 mm · Nominal diameter: 17 mm · Total length: 65 mm · Ø Inside entrance: 17 mm · Ø Internal connection: 23 mm · Area of application: Tuning · Ø Output inside: 17.1 mm · Ø Air filter connection: 27.5 mm · Ø fuel hose connection: 5 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Mounting type: Plug connection clamped · Nozzle block: 2.2 · Camouflaged: Yes · Nozzle size: 74 · Clamping screw torque (max.): 3 N/m · Clamping screw torque (max.): 4 N/m
139,40 EUR
GPO 45 mm cylinder head Racing high-compression | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Material: Aluminum · Ø cylinder: 45 mm · Surface: sandblasted · Ø screw holder: 7.4 mm · Total length: 135 mm · Width: 125 mm · Candle thread: short · Height: 55 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Area of application: Tuning
58,00 EUR
swiing® ingenious intake manifold 17 mm SRF camouflaged | Puch E50
Manufacturer: swiing® ingenious parts · Material: Aluminum · Ø inside: 17 mm · Number of fixing points: 2 pcs · Area of application: Performance · Area of application: Racing · Area of application: Tuning · Total height: 53.5 mm · Height flange center hole: 42 mm · Ø External connection: 23 mm · Total length: 38 mm · Mounting type: Stud bolts & nuts · Camouflaged: Yes · Hole spacing inlet: 38 mm
52,20 EUR