Cylinder cover with 43.50 mm combustion chamber diameter suitable for rebuilt Puch Maxi S/ N, Puch X30 Sport NS/ NL, Puch X30 Sport N-2AH and Puch Supermaxi LG1/ LG2 mopeds/mopeds.
A good reproduction product of the original Austrian version with slightly larger cooling fins, colloquially known as the "new model", which is cooled by ambient air (airstream).
The head with integrated, heat-resistant FPM sealing ring is the best choice for your 43.5 (64 cc) Polini racing kit with large cooling fins.
The contact surface for the sealing ring of the spark plug and the contact surface for the stud nuts are machined flat.
Dimension (L×W×H): 13.5 × 14 × 5.5 cm
Material: Aluminum, sandblasted
Note: This cylinder head has no mount for a decompressor.
You can find the Polini 43.5 mm cylinder and other useful material in the accessories section.
Good, inexpensive standard spare part. GPO – GOOD PARTS ONLY.
| Manufacturer | GPO |
| Material | Aluminum |
| Surface | sandblasted |
| Width | 135 mm |
| Ø cylinder | 43.5 mm |
| Height | 55 mm |
| Total length | 140 mm |
| Number of fixing points | 4 pcs |
| Hole pattern [mm] | 44 x 44 |
| Candle thread | short |
| Decompressor | No |
| Area of application | Tuning |
| Puch | E50 ZA50 (air-cooled) Z50 (X30 Sport) |
Accessories & related products
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Manufacturer: Polini · Material: Aluminum · Surface: Nickel silicon carbide (known as Nikasil®) · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 43.5 mm · Hole spacing inlet: 32 mm · Hole spacing inlet: 39 mm · Ø cylinder neck: 48 mm · Ø outlet inside: 22 mm · Area of application: Racing · Area of application: Tuning · Inlet window: 26 x 21 · Thread inlet: M5x0.8 (standard thread) · Hole spacing outlet: 42 mm · Ø piston pin (B): 12 mm · Hole pattern [mm]: 44 x 44 · Number of fixing points: 4 pcs · Outlet type: straight · Thread outlet: M6x1 (standard thread) · Camouflaged: No
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Polini 43.5 mm cylinder head | Puch
Manufacturer: Polini · Material: Aluminum · Width: 135 mm · Ø cylinder: 43.5 mm · Total length: 145 mm · Area of application: Racing · Area of application: Tuning · Candle thread: long · Hole pattern [mm]: 44 x 44 · Height: 48 mm · Number of fixing points: 4 pcs · Decompressor: No
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swiing® ingenious crankshaft "High End" with mounted bearings | Puch E50
Manufacturer: swiing® ingenious parts · Weight: 968 g · Material: Aluminum · Area of application: High End · Area of application: Racing · Material: Steel · Area of application: Tuning · Cheek type: Full cheeks · Thread type: MF10x1 (fine pitch thread) · Crankshaft stroke: 43 mm · Connecting rod length center-center: 90 mm · Number of gears: 1 pcs · 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 · Ø piston pin (B): 12 mm · Ø Bearing seat (clutch side): 17 mm · Ø Bearing seat (ignition side): 17 mm · 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
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