
44 mm replacement piston with two 1.5 mm rectangular piston rings with internal locking (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 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) | 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 |
| Piston ring impact | Internal fuse (IS) |
| Piston ring height | 1.5 mm |
| Ø piston pin (B) | 10 mm |
| Weight piston kit | 83 g |
| Tomos |
Accessories & related products
Airsal 44 mm cylinder kit tuning 10 mm KoBo | Tomos A35
Nominal diameter: 44 mm · Material: Aluminum · Number of fixing points: 4 pcs · Manufacturer: Airsal · Surface: sandblasted · Displacement: 65 ccm · Ø cylinder neck: 47.4 mm · Ø outlet inside: 22 mm · 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 · Area of application: Tuning · Ø piston pin (B): 10 mm · Outlet type: slanted · Hole spacing outlet: 42 mm · Thread outlet: M6x1 (standard thread) · Hole pattern [mm]: 44 x 44 · Decompressor: No · Camouflaged: No
142,10 EUR
GPO piston pin extractor Ø 10, 12, 14 mm
Material: Steel · Total length: 130 mm · Manufacturer: GPO · Number of components: 7 pcs · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats: 10 mm · Width across flats: 17 mm · Area of application: (Dis)assembly tool
23,60 EUR
Moped fans also bought
Bumm mirror round Inox
Manufacturer: Bumm · Material: Chrome steel (colloquially known as stainless steel) · Material: Steel · Surface: chrome-plated · Color: Chrome · Thread size: M8 · Ø mirror surface: 107 mm · Ø mirror rod: 8 mm · Clamping diameter: 22 mm · Mirror rod length: 300 mm · Thread type: M8x1.25 (standard thread) · Total length: 360 mm
29,50 EUR
Side stand black | Puch Maxi S, N, P1 / Supermaxi LG1, LG2 / X30 NS, NL, NG, N-2AH
Manufacturer: Made in Portugal · Material: Steel · Surface: powder-coated · Adjustable: Yes · Color: black · Length pivot point - floor: 220 mm · Total length: 340 mm · Mounting type: Screwed clamp · Number of fixing points: 2 pcs
23,60 EUR
GPO piston stopper M14x1.25
Material: Steel · Total length: 83 mm · Manufacturer: GPO · Number of components: 1 pcs · Surface: galvanized (blue) · Diameter: 12 mm · Diameter: 16 mm · Thread type: MF14x1.25 (fine pitch thread) · Width across flats: 17 mm · Area of application: Special tool
11,30 EUR
Not in stock
Buzzetti flywheel trigger M22x1.5 / M19x1
Material: Steel · Total length: 65 mm · Width across flats trigger: 22 mm · Width across flats Screw: 19 mm · Manufacturer: Buzzetti · Surface: galvanized (blue) · Thread type: MF19x1 (fine pitch thread) · Thread type: MF22x1.5 (fine pitch thread) · Area of application: (Dis)assembly tool
20,00 EUR
GPO pedal cranks chrome (pair) | Puch
Manufacturer: GPO · Material: Steel · Surface: chrome-plated · Color: Chrome · Crank length (center-center): 156 mm · Ø Pedal wedge: 9.5 mm · Ø Pedal axle: 16 mm · Thread type: FG14.3 (9/16" 20G) · Wide intake: 28 mm · Total length: 180 mm · Cranking (offset): 37 mm · Cranking (offset): 49 mm
88,70 EUR
NGK BR10HIX Spark plug short thread interference-suppressed Iridium
Manufacturer: NGK · Candle designation: BR10HIX · Candle thread type: short · Spark plug socket: M4 · Spark plug socket: SAE · Electrode material: Iridium · Suppressed: Yes · Thread type: MF14x1.25 (fine pitch thread) · 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
27,80 EUR
GPO sprocket 28 teeth (8 hole) galvanized | Tomos
Chain type: 415H · Material: Steel · Color: silver · Number of fixing points: 8 pcs · Ø mounting hole: 7.5 mm · Ø inside: 42.6 mm · Manufacturer: GPO · Surface: galvanized (blue) · Chain pitch: 1/2" x 3/16" · Number of teeth: 28 pcs · Ø bolt circle: 60 mm · Thickness: 4.5 mm
18,80 EUR
Seat bench "Puch" logo black
Manufacturer: Made in Portugal · Material: Imitation leather · Material: Steel · Ø Saddle tube holder: 22 mm · Surface: varnished · Color: black · Spring-loaded: No · Lettering: Yes · Total length: 300 mm · Width: 130 mm · Width: 210 mm · Height: 110 mm · Number of fixing points: 1 pcs
65,00 EUR












