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.
| Nominal diameter | 45 mm |
| Manufacturer | GPO |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Material | Aluminum |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 47.8 mm |
| Ø outlet inside | 23.4 mm |
| Inlet window | 21.4 x 13.5 |
| 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 |
| Area of application | Tuning |
| Hole spacing outlet | 42 mm |
| Thread outlet | M6x1 (standard thread) |
| Hole pattern [mm] | 44 x 44 |
| Decompressor | No |
| 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 · Camouflaged: Yes · Surface: sandblasted · Ø cylinder: 45 mm · Material: Aluminum · Total length: 135 mm · Width: 125 mm · Height: 55 mm · Candle thread: short · Number of fixing points: 4 pcs · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Decompressor: No
CHF 32.90
swiing® revival stud bolts M6x38 inlet/outlet galvanized (10.9 strength)
Manufacturer: swiing® revival parts · Material: Steel · Surface: galvanized (blue) · Diameter: 5.9 mm · Total length: 38 mm · Thread length: 11 mm · Thread length: 19 mm · Thread type: M6x1 (standard thread) · Strength class: 10.9
CHF 2.00
swiing 15 mm carburetor set camouflaged | Puch E50
Nominal diameter: 15 mm · Manufacturer: swiing® ingenious parts · Camouflaged: Yes · Component group Carburetor: Carburetor complete · Mounting type: Plug connection clamped · Carburetor type: SRE · Mounting type: Stud bolts & nuts · Ø Inside entrance: 15 mm · Ø Internal connection: 20 mm · Ø Output inside: 15 mm · Ø Air filter connection: 20 mm · Hole spacing inlet: 38 mm · Ø fuel hose connection: 5 mm · Ø fuel hose connection: 6 mm · Area of application: Tuning · Choke control: Hand choke · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle size: 62 · Clamping screw torque (max.): 4 N/m
CHF 104.90
swiing® ingenious needle roller bearing 12/15/14.2 original silver cage
Manufacturer: swiing® ingenious parts · Bearing cage: Silver cage · Bearing type: Needle roller and cage assembly · Width: 14.2 mm · Ø inside: 12 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
CHF 11.90
swiing® ingenious resonance exhaust set Ø 28 / 70 mm | Puch Maxi, X30 Sport
Manufacturer: swiing · Surface: chrome-plated · Color: Chrome · Mounting type: Screwed clamp · Material: Steel · Total length: 730 mm · Ø Internal connection: 28 mm · Ø outside: 70 mm · Exhaust type: Cigar · Flame tube attachment: Flange
CHF 119.90
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15 mm intake manifold | Puch E50
Camouflaged: Yes · Material: Aluminum · Mounting type: Screws · Ø External connection: 20 mm · Ø inside: 14.5 mm · Hole spacing inlet: 38 mm · Total height: 54 mm · Number of fixing points: 2 pcs · Height flange center hole: 43 mm · Area of application: Tuning · Total length: 47 mm
CHF 11.90
Airsal 38 mm cylinder kit 50 cc camouflaged | Puch Maxi, X30
Nominal diameter: 38 mm · Manufacturer: Airsal · Material: Aluminum · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 20 mm · Inlet window: 23.5 / 20 x 14.5 · 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 · Camouflaged: Yes · Area of application: Tuning
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GPO 45 mm cylinder head tuning | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Camouflaged: Yes · Surface: sandblasted · Ø cylinder: 45 mm · Material: Aluminum · Total length: 135 mm · Width: 125 mm · Height: 55 mm · Candle thread: short · Number of fixing points: 4 pcs · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Decompressor: No
CHF 32.90
Flame tube 28 mm chrome | Puch Maxi S, N / X30 Sport
Manufacturer: Made in Portugal · Surface: chrome-plated · Color: Chrome · Material: Steel · Mounting type: Stud bolts & nuts · Total length: 295 mm · Ø inside: 24 mm · Ø outside: 28 mm · Number of fixing points: 2 pcs · Hole spacing outlet: 42 mm
CHF 16.90
swiing® ingenious crankshaft High End with mounted bearings | Puch E50
Manufacturer: swiing® ingenious parts · Cheek type: Full cheeks · Material: Aluminum · Material: Steel · 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 Connecting rod eye: 15 mm · Thread type: MF10x1 (fine pitch thread) · Ø piston pin (B): 12 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · Area of application: High End · Area of application: Racing · Area of application: Tuning · Thread length: 11 mm · Dimension needle bearing: 12 / 15 x 14.2 mm (axe 12) · Thread length: 15 mm · 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
CHF 179.90
Hot 
GPO 45 mm cylinder head Racing high-compression | Puch Maxi S, N / X30 NS, NL, N-2AH
Manufacturer: GPO · Surface: sandblasted · Ø cylinder: 45 mm · Material: Aluminum · Total length: 135 mm · Width: 125 mm · Height: 55 mm · Ø screw holder: 7.4 mm · Candle thread: short · Number of fixing points: 4 pcs · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Decompressor: No
CHF 49.90
Collection only possible with online purchase and appointment.
