
44 mm replacement piston with two 1.5 mm rectangular piston rings with internal fuse (IS) 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 | 44 mm |
| Manufacturer | Airsal |
| Ø outside piston (A) | 43.95 mm |
| Compression height (C) | 21.1 mm |
| Curvature (D) | 3.7 mm |
| Total piston height (E) | 49.2 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Ø piston pin (B) | 10 mm |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Weight piston kit | 83 g |
| Tomos |
Accessories & related products
Airsal 44 mm cylinder kit tuning 10 mm KoBo | Tomos A35
Manufacturer: Airsal · Material: Aluminum · Surface: sandblasted · Nominal diameter: 44 mm · Displacement: 65 ccm · Hole spacing inlet: 31.5 mm · Hole spacing inlet: 36 mm · Hole spacing inlet: 39 mm · Ø cylinder neck: 47.4 mm · Camouflaged: No · Number of fixing points: 4 pcs · Ø outlet inside: 22 mm · Ø piston pin (B): 10 mm · Inlet window: 29.5 x 37.5 mm · Thread inlet: M5x0.8 (standard thread) · Hole pattern [mm]: 44 x 44 · Decompressor: No · Hole spacing outlet: 42 mm · Outlet type: slanted · Thread outlet: M6x1 (standard thread) · Area of application: Tuning
EUR 141,10
GPO piston pin extractor Ø 10, 12, 14 mm
Manufacturer: GPO · Material: Steel · Surface: burnished · Number of components: 7 pcs · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
EUR 23,40
Explore categories from Piston
Moped fans also bought
Bumm mirror round Inox
Manufacturer: Bumm · Material: Chrome steel (colloquially known as stainless steel) · Material: Steel · Test mark: none · Surface: chrome-plated · Color: Chrome · Thread size: M8 · Clamping diameter: 22 mm · Ø mirror surface: 107 mm · Ø mirror rod: 8 mm · Mirror rod length: 300 mm · Thread type: M8x1.25 (standard thread) · Total length: 360 mm
EUR 32,80
Side stand black | Puch Maxi S / N, Supermaxi LG1 / LG2, X30 NS / NL / NG-2AH, P1
Manufacturer: Made in Portugal · Material: Steel · Surface: powder-coated · Color: black · Adjustable: Yes · Total length: 340 mm · Length pivot point - floor: 220 mm · Number of fixing points: 2 pcs · Mounting type: Screwed clamp
EUR 23,40
GPO piston stopper M14x1.25
Manufacturer: GPO · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Diameter: 12 mm · Diameter: 16 mm · Total length: 83 mm · Width across flats: 17 mm · Area of application: Special tool · Thread type: MF14x1.25 (fine pitch thread)
EUR 11,20
EUR 10,00
Buzzetti flywheel trigger M22x1.5 / M19x1
Thread type: MF19x1 (fine pitch thread) · Thread type: MF22x1.5 (fine pitch thread) · Width across flats trigger: 22 mm · Width across flats Screw: 19 mm · Manufacturer: Buzzetti · Material: Steel · Surface: galvanized (blue) · Total length: 65 mm · Area of application: (Dis)assembly tool
EUR 19,90
swiing® revival Pedal Crank Set, Chrome | Puch
Color: Chrome · Manufacturer: swiing® revival parts · Material: Steel · Surface: chrome-plated · Thread type: FG14.3 (9/16" 20G) · Crank length (center-center): 156 mm · Total length: 180 mm · Ø Pedal wedge: 9.5 mm · Ø Pedal axle: 16 mm · Wide intake: 28 mm · Cranking (offset): 37 mm · Cranking (offset): 49 mm
EUR 88,10
NGK BR10HIX Spark plug short thread interference-suppressed Iridium
Thread type: MF14x1.25 (fine pitch thread) · Manufacturer: NGK · Candle designation: BR10HIX · Candle thread type: short · Spark plug socket: M4 · Spark plug socket: SAE · Suppressed: Yes · Electrode material: Iridium · Width across flats: 21 mm · Area of application: High End · Area of application: MX · Area of application: Performance · Area of application: Racing · Area of application: Tuning
EUR 27,70
GPO Gear Ring, 28 Teeth, 8-Hole, Galvanized | Tomos
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: GPO · Material: Steel · Color: silver · Number of teeth: 28 pcs · Ø bolt circle: 60 mm · Surface: galvanized (blue) · Thickness: 4.5 mm · Ø inside: 42.6 mm · Number of fixing points: 8 pcs · Ø mounting hole: 7.5 mm
EUR 18,70
PUCH" seat black logo
Manufacturer: Made in Portugal · Material: Imitation leather · Material: Steel · Ø Saddle tube holder: 22 mm · Surface: varnished · Color: black · Total length: 300 mm · Spring-loaded: No · Width: 130 mm · Width: 210 mm · Lettering: Yes · Height: 110 mm · Number of fixing points: 1 pcs
EUR 64,60












