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 / 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 tool, piston pin locks and, if necessary, the corresponding cylinder in the accessories section.
Quality product from the Spanish manufacturer Airsal.
| Nominal diameter | 44 mm |
| 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 |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 12 mm |
| Weight piston kit | 84 g |
| Tomos |
Ratings
Accessories & related products
Airsal 44 mm cylinder kit tuning 12 mm KoBo | Tomos A35
Nominal diameter: 44 mm · Manufacturer: Airsal · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Displacement: 65 ccm · Ø cylinder neck: 47.4 mm · Ø outlet inside: 22 mm · Number of fixing points: 4 pcs · 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: straight · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No
CHF 119.90
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Number of components: 7 pcs · Area of application: (Dis)assembly tool
CHF 19.90
GPO 44 mm cylinder kit tuning 12 mm KoBo | Tomos A35
Manufacturer: GPO · Material: Aluminum · Surface: sandblasted · Displacement: 65 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 44 mm · Ø cylinder neck: 47.8 mm · Ø outlet inside: 22.8 mm · Inlet window: 35.5 x 29.5 · Hole spacing inlet: 36 mm · Hole spacing inlet: 39 mm · Thread inlet: M5x0.8 (standard thread) · Hole spacing outlet: 42 mm · Outlet type: slanted · Ø piston pin (B): 12 mm · Thread outlet: M6x1 (standard thread) · Number of fixing points: 4 pcs · Area of application: Tuning · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No
CHF 89.90
Moped fans also bought
GPO gasket set 45 mm cylinder & diaphragm | Tomos A3, A35
Manufacturer: GPO · Material: Aluminum · Material: Composite materials · Material: Oiled paper · Ø cylinder: 45 mm · Hole spacing outlet: 42 mm · Number of components: 5 pcs · Area of application: Tuning · Hole pattern [mm]: 44 x 44 mm / 39 x 36/32 mm · Decompressor: Yes
CHF 9.90
ESJOT sprocket 22 teeth (8 hole) | Hercules, Tomos, Zündapp Alpa Spezial 3000
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: ESJOT · Material: Steel · Surface: varnished · Ø inside: 42.5 mm · Number of fixing points: 4 pcs · Number of fixing points: 8 pcs · Number of teeth: 22 pcs · Ø bolt circle: 60.5 mm · Ø bolt circle: 66 mm · Thickness: 4 mm · Ø mounting hole: 7.4 mm · Color: black
CHF 13.90
Piston 45 mm (12 mm KoBo) | Tomos A3 / A35
Nominal diameter: 45 mm · Ø outside piston (A): 44.94 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 · Ø piston pin (B): 12 mm · Weight piston kit: 91 g
CHF 34.90
Collection only possible with online purchase and appointment.
