Tuning cylinder cover with 41 mm diameter and optimized combustion chamber for blown cylinders of your Puch X30 Velux moped / moped with M7 cylinder stud bolts.
The cylinder head must be fitted together with the four centring sleeves included in the scope of delivery.
The centering bushes are used to ensure that the cylinder cover can be pushed onto the stud bolts in a perfectly centered position.
The bushes are pushed into the holes in the cylinder cover so that they protrude slightly above the sealing surface (see Figure 2 for an illustration).
We recommend gluing the guide bushes into the cylinder head with Loctite adhesive so that they do not move during assembly/disassembly.
The cylinder heads do not have a mount for fitting a decompressor.
Cylinder head dimensions (ØxH): 90 x 35 mm
Centring bolt dimensions:
Ø inner: 7.1 mm
Ø outer: 8 mm
Length: 17 mm
Material: anodized aluminium
Corresponding cylinders, stud bolts, cylinder head gaskets, Loctite, etc. can be found in the accessories section.
B quality: The cylinder head may contain small casting cavities in the combustion chamber. You can find the perfect counterpart in the accessories section.
The set includes the following fixed parts:
Details
| Height | 35 mm |
| Ø outside | 90 mm |
| Ø cylinder | 38 - 41 mm |
| Area of application | Tuning |
| Number of fixing points | 4 pcs |
| Decompressor | No |
Suitable for the following models
| Puch | Z50 (X30 Velux) |
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Loctite 638 High-strength adhesive 10 ml
Color: green · Manufacturer: Loctite · Area of application: Chemistry · Material to be used: Aluminum · Material to be used: Metal · Material to be used: Steel · Contents [ml]: 10 ml · Hazard warning: Causes serious eye damage · Hazard warning: Causes skin irritation · Hazard warning: Harmful to aquatic organisms (with long-term effects) · Hazard warning: May cause allergic skin reactions · Hazard warning: May irritate the respiratory tract · Signal word: Danger · Hazard pictogram: GHS05 - Corrosive · Hazard pictogram: GHS07 - Caution dangerous · Adhesion: high-strength · Gap dimension (max.): 0.25 mm · Temperature resistance (min.): -75 - 150 °C · Type of application: 1K · Alignment time: 300 sec · Breakaway torque (according to material): 23 N/m · Breakaway torque (according to material): 25 N/m · Breakaway torque (according to material): 57 N/m
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GPO cylinder 41 mm fan-cooled 10 mm KoBo | Puch X30 Velux, N-2AH
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GPO cylinder 41 mm fan-cooled 12 mm KoBo | Puch X30 Velux, N-2AH
Manufacturer: GPO · Manufacturer: Meteor Racing · Manufacturer: swiing · Material: Gray cast iron · Surface: sandblasted · Crankshaft stroke: 43 mm · Displacement: 60 ccm · Ø cylinder neck: 43.2 mm · Nominal diameter: 41 mm · Ø outlet inside: 19.4 mm · Ø Inlet inside: 14.6 mm · Ø piston pin (B): 12 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Hole spacing outlet: 42 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread) · Area of application: Tuning · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Camouflaged: No
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Nominal diameter: 38 mm · Material: Gray cast iron · Surface: sandblasted · Displacement: 50 ccm · Crankshaft stroke: 43 mm · Thread inlet: M6x1 (standard thread) · Hole spacing inlet: 32 mm · Ø piston pin (B): 10 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: No · Area of application: Tuning
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