
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 stems and locking types on the legend in the pictures.
| 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
Nominal diameter: 38 mm · Manufacturer: Airsal · Material: Aluminum · Camouflaged: No · Area of application: Tuning · Surface: sandblasted · Displacement: 50 ccm · Ø cylinder neck: 47 mm · Ø outlet inside: 25 mm · Inlet window: 28 / 24 x 38 mm · Thread inlet: M5x0.8 (standard thread) · Hole pattern [mm]: 44 x 44 · Ø piston pin (B): 12 mm · Number of fixing points: 4 pcs · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Decompressor: No · Hole spacing inlet: 32 mm · Hole spacing inlet: 35 mm · Hole spacing inlet: 38 mm
EUR 135.30
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 · Area of application: (Dis)assembly tool · Number of components: 7 pcs · Width across flats: 10 mm · Width across flats: 17 mm
EUR 24.50
Explore categories from Piston
Moped fans also bought
swiing® revival stud bolt inlet/outlet M6 x 30 (10.9 strength)
Material: Steel · Surface: galvanized (blue) · Manufacturer: swiing® revival parts · Diameter: 5.95 mm · Thread type: M6x1 (standard thread) · Nominal diameter (thread): 6 mm · Total length: 30 mm · Strength class: 10.9 · Thread length: 12 mm
EUR 2.20
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Ø Stranded wire: 1.8 mm · Nipple shape: Pears · Cable length: 2200 mm · Number of components: 1 pcs · Area of application: Standard
EUR 2.95
swiing® revival nozzle set M3.5 (64 - 74) Bing SRE, SRA, SRC, SRF
Material: Brass · Manufacturer: swiing® revival parts · Component group Carburetor: Spraying · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Quantity: 6 pcs · Nozzle type: Main nozzle · Drive: Slot · Nozzle thread: M3.5x0.6 (standard thread) · Nozzle size: 64 · Nozzle size: 66 · Nozzle size: 68 · Nozzle size: 70 · Nozzle size: 72 · Nozzle size: 74 · Total length: 6 mm
EUR 19.60
DMP gasket set cylinder 50 ccm | Tomos A3, A35
Thickness: 0.6 mm · Thickness: 1.3 mm · Thickness: 1.9 mm · Number of components: 3 pcs · Manufacturer: DMP · Material: Aluminum · Material: Phenolic resin (colloquially known as Bakelite) · Material: Sealing paper · Area of application: Standard · Ø cylinder: 38 mm · Ø outlet inside: 25.2 mm · Hole pattern [mm]: 44 x 44 mm · Hole spacing outlet: 42 mm
EUR 10.90








