38 mm piston with two 1.5 mm rectangular piston rings with internal fuse (IS) to fit the cylinder kit 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 positions 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 | 38 mm |
| Manufacturer | Airsal |
| Ø outside piston (A) | 37.95 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3.85 mm |
| Total piston height (E) | 52.35 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 |
| Tomos |
Accessories & related products
Airsal 38 mm cylinder kit 12 mm KoBo | Tomos A35
Manufacturer: Airsal · Material: Aluminum · Surface: sandblasted · Area of application: Tuning · Displacement: 50 ccm · Nominal diameter: 38 mm · Ø cylinder neck: 47 mm · Ø outlet inside: 25 mm · Number of fixing points: 4 pcs · Inlet window: 28 / 24 x 38 · Thread inlet: M5x0.8 (standard thread) · Hole spacing inlet: 32 mm · Hole spacing inlet: 35 mm · Hole spacing inlet: 38 mm · Ø piston pin (B): 12 mm · Hole spacing outlet: 42 mm · Outlet type: slanted · Hole pattern [mm]: 44 x 44 · Thread outlet: M6x1 (standard thread) · Decompressor: No · Camouflaged: No
CHF 109.90
Not in stock
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Number of components: 7 pcs · Width across flats SW: 10 mm · Width across flats SW: 17 mm · Total length: 130 mm
CHF 19.90
Moped fans also bought
Nut M12x1 x 10 SW19 Wheel nut galvanized
Material: Steel · Surface: galvanized (blue) · Nut type: Hexagon nut · Drive: External hexagon · Width across flats SW: 19 mm · Thread depth: 10 mm · Thread type: MF26x1 (fine pitch thread) · Height: 10 mm · Strength class: 8 · Area of application: Standard
CHF 2.00
Dell'Orto 90° carburetor pipe bend set M6x0.75
Manufacturer: Dell'Orto · Width across flats nut: 7 mm · Material: Brass · Component group Carburetor: Adjusting screws, float, etc. · Thread type: MF6x0.75 (fine pitch thread) · Height: 27 mm · Total length: 43 mm · Total length: 52 mm · Surface: nickel-plated · Ø outside: 6 mm · Internal thread: MF5x0.75 (fine pitch thread) · Angle: 90 °
CHF 11.90
GPO piston 38 mm 6-channel | Puch
Manufacturer: GPO · Nominal diameter: 38 mm · Ø outside piston (A): 37.95 mm · Compression height (C): 22.4 mm · Curvature (D): 4.9 mm · Total piston height (E): 53.85 mm · Number of piston rings (F): 1 pcs · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.45 mm · Ø piston pin (B): 12 mm · Piston weight: 66 g
CHF 38.90
DMP gasket set cylinder 50 ccm | Tomos A3, A35
Manufacturer: DMP · Material: Aluminum · Material: Phenolic resin (known as Bakelite®) · Material: Sealing paper · Area of application: Standard · Ø cylinder: 38 mm · Thickness: 0.6 mm · Thickness: 1.3 mm · Thickness: 1.9 mm · Ø outlet inside: 25.2 mm · Number of components: 3 pcs · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm
CHF 8.90
Collection only possible with online purchase and appointment.
