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
| Manufacturer | Pony |
| Area of application | Original |
| Height | 1.42 mm |
| Nominal diameter | 40 mm |
| Piston ring mold | Trapezoidal ring |
| Piston ring impact | Internal fuse (IS) |
| Thick piston ring | 1.6 mm |
Suitable for the following models
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (Motor) |
Accessories & related products
Meteor piston 40 mm "G" (A8103) | Beta 521 & 512
Manufacturer: Meteor · 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 · Nominal diameter: 40 mm · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight: 83 g
CHF 74.90
Meteor piston 40 mm "V" (A8105) | Beta 521 & 512
Manufacturer: Meteor · 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 · Nominal diameter: 40 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Ø piston pin (B): 12 mm · Weight: 83 g
CHF 74.90
Meteor piston 40 mm "N" (A8104) | Beta 521 & 512
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 · Nominal diameter: 40 mm · 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 · Weight: 83 g
CHF 74.90
40 mm cylinder kit original engine | Beta 521 & 512
Nominal diameter: 40 mm · Manufacturer: Pony · Material: Gray cast iron · Displacement: 50 ccm · Crankshaft stroke: 39 mm · Area of application: Original · Ø piston pin (B): 12 mm · Outlet type: straight · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs
CHF 186.90
Not in stock
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) · Ø cylinder: 40 mm · Ø outlet inside: 22 mm · Number of components: 3 pcs · Hole pattern [mm]: 48 x 48 mm · Hole spacing outlet: 40 mm · Decompressor: Yes · Area of application: Original
CHF 13.90
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Manufacturer: Made in Portugal · Material: Steel · Color: Chrome · Color: black · Surface: varnished · Mounting type: Welded lug · Total length: 780 mm · Ø Internal connection: 19 mm · Ø outside: 60 mm · Ø Silencer: 60 mm · Number of fixing points: 2 pcs · Ø Flame tube outside: 22 mm · Exhaust type: Cigar · Flame tube attachment: Flange
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swiing® revival gasket set Airsal 40 mm cylinder | Beta 521 & 512
Manufacturer: swiing® revival parts · Material: Graphite / Graphite · Material: Sealing paper · Ø cylinder: 40 mm · Ø outlet inside: 22 mm · Thickness: 0.5 mm · Thickness: 1 mm · Thickness: 1.8 mm · Number of components: 3 pcs · Hole spacing outlet: 42 mm · Area of application: Tuning
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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) · Ø cylinder: 40 mm · Ø outlet inside: 22 mm · Number of components: 3 pcs · Hole pattern [mm]: 48 x 48 mm · Hole spacing outlet: 40 mm · Decompressor: Yes · Area of application: Original
CHF 13.90
Collection only possible with online purchase and appointment.
