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 |
Ratings
Accessories & related products
Airsal 38 mm cylinder kit 12 mm KoBo | Tomos A35
Nominal diameter: 38 mm · Manufacturer: Airsal · Material: Aluminum · Surface: sandblasted · Displacement: 50 ccm · Ø cylinder neck: 47 mm · Ø outlet inside: 25 mm · 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 · 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
EUR 125,70
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: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 22,80
Explore categories from Piston
Moped fans also bought
Hot 
Brake cable Ø 1.8 mm x 220 cm (pear-shaped nipple)
Ø Stranded wire: 1.8 mm · Cable length: 2200 mm · Nipple shape: Pears · Ø nipple: 3.5 mm · Ø nipple: 6 mm · Nipple length: 10 mm · Manufacturer: Made in Germany · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Area of application: Standard
EUR 2,75
swiing® revival nozzle set M3.5 (64 - 74) Bing SRE, SRA, SRC, SRF
Drive: Slot · Manufacturer: swiing® revival parts · Material: Brass · Component group Carburetor: Spraying · Quantity: 6 pcs · Carburetor type: SRA (1/11/31) Velux · Carburetor type: SRA (1/11/35) Velux · Carburetor type: SRC · Carburetor type: SRE · Carburetor type: SRF · Nozzle type: Main nozzle · Total length: 6 mm · 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
EUR 18,20
NTN 6203 C3 Ball bearing 17/40/12
Bearing cage: Sheet steel cage ball-guided · Ø inside: 17 mm · Inner ring width: 12 mm · Manufacturer: NTN · Ø outside: 40 mm · Bearing clearance: C3 · Groove ring: No · Material: Steel · Area of application: Standard · Stock number: 6203 · Bearing type: Deep groove ball bearing · Width: 12 mm · Surface: blank · Ball bearing closed: No
EUR 10,20
DMP gasket set cylinder 50 ccm | Tomos A3, A35
Manufacturer: DMP · Material: Aluminum · Material: Phenolic resin (colloquially known as Bakelite) · Material: Sealing paper · Ø cylinder: 38 mm · Ø outlet inside: 25.2 mm · Thickness: 0.6 mm · Thickness: 1.3 mm · Thickness: 1.9 mm · Number of components: 3 pcs · Hole spacing outlet: 42 mm · Hole pattern [mm]: 44 x 44 mm · Area of application: Standard
EUR 10,20
Collection only possible with online purchase and appointment.
