40 mm racing cylinder suitable for the following mopeds with Beta 521 engine:
- Cilo Cross 521 & 512
- Pony Cross 521
- Pony GTX 521
The aluminum racing kit with Nikasil coating is an extremely reliable and durable cylinder.
Ø piston pin: 12 mm
Scope of delivery according to figure 1.
Note: The stud bolts supplied for the exhaust have a strength of 5.6. We recommend replacing these with item 10126 with increased strength in the accessories. Please observe the installation direction when assembling. The piston is inserted with the arrow pointing towards the outlet on the exhaust side.
| Manufacturer | Airsal |
| Material | Aluminum |
| Camouflaged | No |
| Area of application | Tuning |
| Surface | sandblasted |
| Displacement | 50 ccm |
| Nominal diameter | 40 mm |
| Crankshaft stroke | 39 mm |
| Ø piston pin (B) | 12 mm |
| Ø cylinder neck | 46 mm |
| Ø outlet inside | 21 mm |
| Hole pattern [mm] | 48 x 48 |
| Number of fixing points | 4 pcs |
| Decompressor | No |
| Outlet type | straight |
| Hole spacing outlet | 38 mm |
| Thread outlet | M6x1 (standard thread) |
| Pony / Cilo (Beta 521 & 512) | Beta 512 Beta 521 (engine) |
Ratings
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GPO Ø 40 mm cylinder head "Original" | Pony GTX, Cross 521 (A8113)
Manufacturer: GPO · Material: Aluminum · Surface: varnished · Ø cylinder: 40 mm · Width: 108 mm · Total length: 120 mm · Ø screw holder: 6.5 mm · Number of fixing points: 4 pcs · Hole pattern [mm]: 48 x 48 · Candle thread: short · Pony OEM number: A8113
EUR 74.50
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GPO Ø 40 mm cylinder head "Racing" | Pony GTX, Cross 521 (A8113)
Manufacturer: GPO · Camouflaged: Yes · Material: Aluminum · Surface: varnished · Ø cylinder: 40 mm · Number of fixing points: 4 pcs · Total length: 120 mm · Width: 108 mm · Ø screw holder: 6.5 mm · Hole pattern [mm]: 48 x 48 · Candle thread: short · Alternative version of the Pony OEM number: A8113
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GPO 40 mm cylinder (without piston & gasket set) "Original" | Pony GTX, Cross 521 (A8092)
Nominal diameter: 40 mm · Manufacturer: GPO · Area of application: Original · Material: Gray cast iron · Surface: blank · Displacement: 50 ccm · Number of fixing points: 4 pcs · Ø cylinder neck: 45 mm · Hole spacing outlet: 39 mm · Hole spacing for cylinder mounting: 48 mm · Outlet type: straight
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GPO 40 mm cylinder kit "Original" | Pony GTX, Cross 521 (A8092)
Nominal diameter: 40 mm · Manufacturer: GPO · Area of application: Original · Material: Gray cast iron · Surface: blank · Displacement: 50 ccm · Ø piston pin (B): 12 mm · Ø cylinder neck: 45 mm · Ø outlet inside: 21.5 mm · Hole spacing outlet: 39 mm · Hole pattern [mm]: 48 x 48 · Outlet type: straight · Thread outlet: M6x1 (standard thread)
EUR 172.00
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