Original 40.0 x 1.42 mm compression ring (trapezoidal ring) suitable for Beta pistons on Pony Cross & GTX mopeds / mopeds with Beta 521 engines.
Attention: Only suitable for original Beta pistons, if a Meteor piston is installed, the Meteor piston ring 40 x 1.5 must be used, you will find this in the accessories section.
Installation note: The one-sided trapezoidal piston ring must be installed with the slanted side facing the cylinder head. If it is installed upside down, the ring will jam in the piston ring groove, resulting in damage to the piston and cylinder!
Ø outer (A): 40.00 mm
Height (B): 1.42 / nominal dimension 1.5 mm
Thickness (C): 1.60 mm
Piston ring shape: Trapezoidal ring
Piston ring joint: Internal locking (IS)
The scope of delivery corresponds to one piece.
You will find the appropriate assembly tool and lubricant in the accessories section.
Original Pony spare part number: A8112
| Manufacturer | Pony |
| Diameter | 40 mm |
| Nominal diameter | 40 mm |
| Height | 1.42 mm |
| Piston ring mold | Trapezoidal ring |
| Piston ring impact | Internal fuse (IS) |
| Thick piston ring | 1.6 mm |
| Area of application | Original |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Ratings
Accessories & related products
Meteor piston 40 mm "G" (A8103) | Beta 521 & 512
Manufacturer: Meteor · Ø outside piston (A): 39.95 mm · Ø piston pin (B): 12 mm · Compression height (C): 27.9 mm · Curvature (D): 4.15 mm · Nominal diameter: 40 mm · Total piston height (E): 52 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Piston weight: 83 g
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Meteor piston 40 mm "V" (A8105) | Beta 521 & 512
Manufacturer: Meteor · Nominal diameter: 40 mm · Ø outside piston (A): 39.93 mm · Ø piston pin (B): 12 mm · Compression height (C): 27.9 mm · Curvature (D): 4 mm · Total piston height (E): 52 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston weight: 83 g
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Meteor piston 40 mm "N" (A8104) | Beta 521 & 512
Nominal diameter: 40 mm · Manufacturer: Meteor · Surface: blank · Ø outside piston (A): 39.94 mm · Compression height (C): 28 mm · Curvature (D): 4 mm · Total piston height (E): 52 mm · Number of piston rings (F): 2 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Thick piston ring: 1.7 mm · Ø piston pin (B): 12 mm · Piston weight: 83 g
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40 mm cylinder kit original engine | Beta 521 & 512
Manufacturer: Pony · Material: Gray cast iron · Crankshaft stroke: 39 mm · Displacement: 50 ccm · Nominal diameter: 40 mm · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Area of application: Original · Outlet type: straight · Thread outlet: M6x1 (standard thread)
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swiing® revival gasket set cylinder original engine | Beta 521, 512
Manufacturer: swiing® revival parts · Material: Copper · Material: Sealing carton · Material: Sealing paper · Material: Sheet metal (steel) · Number of components: 3 pcs · Ø cylinder: 40 mm · Ø outlet inside: 22 mm · Area of application: Original · Decompressor: Yes · Hole pattern [mm]: 48 x 48 mm · Hole spacing outlet: 40 mm
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Bearing type: Needle sleeve · Bearing cage: Sheet steel cage · Dimension needle bearing: 12/15 x 14.2 · Manufacturer: swiing® revival parts · Ø inside: 12 mm · Ø outside: 15 mm · Width: 14.2 mm · Alternative version of the Pony OEM number: A4222 · Alternative version of the Sachs OEM number: 0232 155 001 · Tomos OEM number: 035548
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swiing® revival gasket set cylinder original engine | Beta 521, 512
Manufacturer: swiing® revival parts · Material: Copper · Material: Sealing carton · Material: Sealing paper · Material: Sheet metal (steel) · Number of components: 3 pcs · Ø cylinder: 40 mm · Ø outlet inside: 22 mm · Area of application: Original · Decompressor: Yes · Hole pattern [mm]: 48 x 48 mm · Hole spacing outlet: 40 mm
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swiing® revival gasket set | Pony / Cilo Beta 521
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Collection only possible with online purchase and appointment.
