38 mm piston kit with two 1.5 mm rectangular piston rings with flank lock (FS) for your Tomos Funtastic, Funsport, Roadie moped / moped with A55 engine.
The detailed dimensioning 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.
The piston kit contains pistons, piston pins, piston clips and piston rings.
Note: The piston can also be used on Tomos mopeds with an A35 engine, provided the intake and exhaust are also replaced
You can find more piston kits, the appropriate assembly tools and, if necessary, the right cylinder in the accessories section.
Quality product from the Italian manufacturer Vertex.
Details
| Manufacturer | Vertex |
| Ø outside piston (A) | 37.97 mm |
| Ø piston pin (B) | 12 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3 mm |
| Total piston height (E) | 52 mm |
| Number of piston rings (F) | 2 pcs |
| Nominal diameter | 38 mm |
| Piston ring mold | Rectangular ring |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Piston weight | 70 g |
Suitable for the following models
| Tomos | FunSport Roadie |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Width across flats SW: 10 mm · Width across flats SW: 17 mm · Manufacturer: GPO · Number of components: 7 pcs · Material: Steel · Area of application: (Dis)assembly tool · Surface: burnished · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Total length: 130 mm
23,30 EUR
Airsal piston 38 mm (12 mm KoBo) | Tomos A35
Manufacturer: Airsal · Ø outside piston (A): 37.95 mm · Ø piston pin (B): 12 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 · Nominal diameter: 38 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm
58,50 EUR
Not in stock
Airsal piston 44 mm (10 mm KoBo) | Tomos A35
Manufacturer: Airsal · Ø outside piston (A): 43.95 mm · Ø piston pin (B): 10 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 · Nominal diameter: 44 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston weight: 83 g
55,00 EUR
Airsal 44 mm piston (12 mm KoBo) | Tomos A55
Manufacturer: Airsal · Ø outside piston (A): 43.95 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.2 mm · Curvature (D): 3.8 mm · Total piston height (E): 62.65 mm · Number of piston rings (F): 2 pcs · Nominal diameter: 44 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston weight: 92 g
55,00 EUR
GPO piston 44 mm (12 mm KoBo) | Tomos A3/A35
Manufacturer: GPO · Ø outside piston (A): 43.96 mm · Ø piston pin (B): 12 mm · Compression height (C): 21.9 mm · Curvature (D): 4.15 mm · Total piston height (E): 49.55 mm · Number of piston rings (F): 2 pcs · Nominal diameter: 44 mm · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm
44,40 EUR
Piston 45 mm (12 mm KoBo) | Tomos A3 / A35
Nominal diameter: 45 mm · Ø outside piston (A): 44.94 mm · Ø piston pin (B): 12 mm · Compression height (C): 22 mm · Curvature (D): 4 mm · Total piston height (E): 49.55 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 · Piston weight: 91 g
40,90 EUR
Vertex piston 39.0 mm (12 mm KoBo) oversize | Tomos A55
Manufacturer: Vertex · Nominal diameter: 39 mm · Ø outside piston (A): 38.95 mm · Ø piston pin (B): 12 mm · Compression height (C): 22.5 mm · Curvature (D): 3.5 mm · Total piston height (E): 50 mm · Number of piston rings (F): 2 pcs · Piston ring mold: L-ring · Piston ring mold: Rectangular ring · Piston ring impact: Flank safety device (FS) · Piston ring impact: Internal fuse (IS) · Piston ring height: 1.5 mm · Piston ring height: 2 mm · Piston weight: 81 g
93,70 EUR
Moped fans like you also bought:
Dell'Orto 14/9 P SHA carburetor hand choke | Tomos
Manufacturer: Dell'Orto · Material: Aluminum · Area of application: Original · Color: black · Total length: 58 mm · Carburetor type: SHA (type 4) · Nominal diameter: 9 mm · Nominal diameter: 14 mm · Width: 90 mm · Height: 82 mm · Camouflaged: No · Ø Internal connection: 18 mm · Ø without reducing sleeve: 21 mm · Ø Inside entrance: 9 mm · Mounting type: Plug connection clamped · Ø Output inside: 14 mm · Ø Air filter connection: 56 mm · Ø Air filter connection: 59 mm · Mixed oil connection: No · Vacuum connection: No · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Nozzle size: 49 · Tomos OEM number: 1236202
101,20 EUR
Collection only possible with online purchase and appointment.
