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.
| Nominal diameter | 38 mm |
| Manufacturer | Vertex |
| Ø outside piston (A) | 37.97 mm |
| Compression height (C) | 22.5 mm |
| Curvature (D) | 3 mm |
| Total piston height (E) | 52 mm |
| Number of piston rings (F) | 2 pcs |
| Piston ring mold | Rectangular ring |
| Ø piston pin (B) | 12 mm |
| Piston ring impact | Flank safety device (FS) |
| Piston ring height | 1.5 mm |
| Piston weight | 70 g |
| Tomos | Fun Sport'R Roadie |
Accessories & related products
GPO piston pin extractor Ø 10, 12, 14 mm
Material: Steel · Surface: burnished · Total length: 130 mm · Manufacturer: GPO · Number of components: 7 pcs · Area of application: (Dis)assembly tool · Diameter: 10 mm · Diameter: 12 mm · Diameter: 14 mm · Width across flats SW: 10 mm · Width across flats SW: 17 mm
CHF 19.90
Airsal piston 38 mm (12 mm KoBo) | Tomos A35
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) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm
CHF 49.90
Airsal piston 44 mm (10 mm KoBo) | Tomos A35
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) · Ø piston pin (B): 10 mm · Piston ring height: 1.5 mm · Piston weight: 83 g
CHF 46.90
Airsal 44 mm piston (12 mm KoBo) | Tomos A55
Nominal diameter: 44 mm · Manufacturer: Airsal · Ø outside piston (A): 43.95 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 · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Piston weight: 92 g
CHF 46.90
GPO piston 44 mm (12 mm KoBo) | Tomos A3/A35
Nominal diameter: 44 mm · Manufacturer: GPO · Ø outside piston (A): 43.96 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 · Piston ring mold: Rectangular ring · Piston ring impact: Internal fuse (IS) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm
CHF 37.90
Piston 45 mm (12 mm KoBo) | Tomos A3 / A35
Nominal diameter: 45 mm · Ø outside piston (A): 44.94 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) · Ø piston pin (B): 12 mm · Piston ring height: 1.5 mm · Piston weight: 91 g
CHF 34.90
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
CHF 79.90
Moped fans also bought
Fortune / Merrick 2.00-2.50 x 16/17" inner tube
Manufacturer: Fortune · Tire width [inch]: 2 - 2.5 " · Width [inch]: 2 · Width [inch]: 2 1/4 · Width [inch]: 2 1/2 · Tire width [mm]: 50.8 - 63.5 · Wheel size [inch]: 16 - 17 " · Wheel size [inch]: 17 " · Old designation: 20 x 2 · Old designation: 20 x 2.25 · Old designation: 20 x 2.5 · Old designation: 21 x 2 · Old designation: 21 x 2.25 · Old designation: 21 x 2.5 · Tire height [%]: 100 · Valve type: TR4 Auto valve
CHF 9.90
swiing® revival light switch MERIT two buttons
Material: Plastic · Surface: chrome-plated · Color: Chrome · Color: black · Total length: 55 mm · Width: 27 mm · Height: 30 mm · Manufacturer: swiing® revival parts · Substructure material: Plastic · Housing material: Steel · Ø Handlebars: 22 mm · Functions: High beam (headlights) · Functions: Horn · Functions: Light off · Functions: Low beam · Functions: Motor stop · Number of positions: 3 pcs
CHF 18.90
Not in stock
ESJOT drive chain 415H (reinforced) 114L (1A quality)
Chain pitch: 1/2" x 3/16" · Chain type: 415H · Manufacturer: ESJOT · Material: Steel · Surface: blank / oiled · Number of chain links: 114 pcs · Rolling circumference: 1448 mm · Chain lock type: Spring lock · Color: gray · Ø bore: 4.05 mm · Ø Pin: 4 mm
CHF 18.90
swiing® revival gearbox cover gasket | Sachs 503 AAL, ABL, AB, AC, ADV, 2AL, 2BL (A1888)
Thickness: 0.35 mm · Manufacturer: swiing® revival parts · Material: Sealing paper · Color: sand-colored · Total length: 200 mm · Width: 130 mm · Number of components: 1 pcs · Number of fixing points: 6 pcs · Pony OEM number: A1888 · Sachs OEM no.: 0250 150 000
CHF 5.40
Dell'Orto 14/9 P SHA carburetor hand choke | Tomos
Material: Aluminum · Color: black · Nominal diameter: 9 mm · Nominal diameter: 14 mm · Total length: 58 mm · Width: 90 mm · Height: 82 mm · Manufacturer: Dell'Orto · Mounting type: Plug connection clamped · Camouflaged: No · Component group Carburetor: Carburetor complete · Carburetor type: SHA · Choke control: Hand choke · Nozzle thread: M5x0.8 (standard thread) · Area of application: Original · Ø without reducing sleeve: 21 mm · Nozzle size: 49 · Ø Inside entrance: 9 mm · Ø Internal connection: 18 mm · Ø Output inside: 14 mm · Ø Air filter connection: 56 mm · Ø Air filter connection: 59 mm · Mixed oil connection: No · Vacuum connection: No · Tomos OEM number: 1236202
CHF 85.90
Collection only possible with online purchase and appointment.
