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
Details
| Nominal diameter | 40 mm |
| Height | 1.42 mm |
| Manufacturer | Pony |
| Area of application | Original |
| Thick piston ring | 1.6 mm |
| Piston ring mold | Trapezoidal ring |
| Piston ring impact | Internal fuse (IS) |
Suitable for the following models
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Accessories & related products
Meteor piston 40 mm "G" (A8103) | Beta 521 & 512
Manufacturer: Meteor · Nominal diameter: 40 mm · Ø outside piston (A): 39.95 mm · Compression height (C): 27.9 mm · Curvature (D): 4.15 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 · Ø piston pin (B): 12 mm · Piston weight: 83 g
EUR 87,90
Meteor piston 40 mm "V" (A8105) | Beta 521 & 512
Manufacturer: Meteor · Nominal diameter: 40 mm · Ø outside piston (A): 39.93 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 · Ø piston pin (B): 12 mm · Piston weight: 83 g
EUR 87,90
Meteor piston 40 mm "N" (A8104) | Beta 521 & 512
Manufacturer: Meteor · Surface: blank · Nominal diameter: 40 mm · Thick piston ring: 1.7 mm · 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 · Ø piston pin (B): 12 mm · Piston weight: 83 g
EUR 87,90
40 mm cylinder kit original engine | Beta 521 & 512
Manufacturer: Pony · Material: Gray cast iron · Area of application: Original · Crankshaft stroke: 39 mm · Displacement: 50 ccm · Nominal diameter: 40 mm · Number of fixing points: 4 pcs · Ø piston pin (B): 12 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread)
EUR 217,10
Not in stock
swiing® revival gasket set cylinder original engine | Beta 521, 512
Material: Copper · Material: Sealing carton · Material: Sealing paper · Material: Sheet metal (steel) · Manufacturer: swiing® revival parts · Area of application: Original · Ø cylinder: 40 mm · Number of components: 3 pcs · Ø outlet inside: 22 mm · Hole spacing outlet: 40 mm · Hole pattern [mm]: 48 x 48 mm · Decompressor: Yes
EUR 16,30
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Collection only possible with online purchase and appointment.
