44 mm replacement piston with two 1.5 mm rectangular piston rings with internal fuse (IS) suitable for Tomos S25/2, A38B and A35 mopeds.
The detailed dimensions of the piston according to the technical drawing can be found in the details. You can also find out about the relevant piston rings, their stems and locking types on the legend in the images.
The piston kit contains piston pins, piston clips and piston rings.
You will find the corresponding assembly tools, piston pin retainers and, if necessary, the corresponding cylinder in the accessories section.
Quality product from the Spanish manufacturer Airsal.
Details
| Manufacturer | Airsal |
| Ø outside piston (A) | 43.95 mm |
| Compression height (C) | 22 mm |
| Curvature (D) | 3.5 mm |
| Total piston height (E) | 49 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 44 mm |
| 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 | 84 g |
Suitable for the following models
| Tomos |
Accessories & related products
Airsal 44 mm cylinder kit tuning 12 mm KoBo | Tomos A35
Nominal diameter: 44 mm · Manufacturer: Airsal · Material: Aluminum · Surface: sandblasted · Displacement: 65 ccm · Ø cylinder neck: 47.4 mm · Ø outlet inside: 22 mm · Inlet window: 29.5 x 37.5 · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 31.5 mm · Hole spacing inlet: 36 mm · Hole spacing inlet: 39 mm · Ø piston pin (B): 12 mm · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No · Area of application: Tuning
137,30 EUR
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Total length: 130 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Area of application: (Dis)assembly tool
22,80 EUR
GPO 44 mm cylinder kit tuning 12 mm KoBo | Tomos A35
Nominal diameter: 44 mm · Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 22.8 mm · Inlet window: 35.5 x 29.5 · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 36 mm · Hole spacing inlet: 39 mm · Ø piston pin (B): 12 mm · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No · Area of application: Tuning
91,50 EUR
102,90 EUR
Moped fans like you also bought:
GPO gasket set 45 mm cylinder & diaphragm | Tomos A3, A35
Manufacturer: GPO · Material: Aluminum · Material: Composite materials · Material: Oiled paper · Number of components: 5 pcs · Ø cylinder: 45 mm · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm / 39 x 36/32 mm · Decompressor: Yes · Area of application: Tuning
11,30 EUR
ESJOT sprocket 22 teeth (8 hole) | Hercules, Tomos, Zündapp Alpa Spezial 3000
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Thickness: 4 mm · Manufacturer: ESJOT · Material: Steel · Surface: varnished · Color: black · Number of teeth: 22 pcs · Ø bolt circle: 60.5 mm · Ø bolt circle: 66 mm · Ø mounting hole: 7.4 mm · Ø inside: 42.5 mm · Number of fixing points: 4 pcs · Number of fixing points: 8 pcs
15,90 EUR
Piston 45 mm (12 mm KoBo) | Tomos A3 / A35
Nominal diameter: 45 mm · Ø outside piston (A): 44.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 22 mm · Curvature (D): 4 mm · Total piston height (E): 49.55 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: 91 g
40,00 EUR
Collection only possible with online purchase and appointment.
