For: Tomos

33987

Vertex piston 38.5 mm (12 mm KoBo) oversize | Tomos A55

CHF 79.90

Incl. 8.1% VAT.

38.5 mm &overmass piston with 1.5 mm rectangular piston ring with flank lock (FS) and 2 mm L-ring piston ring with internal lock (IS) 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.

Further piston kits, corresponding assembly tools and alternatives can be found in the accessories section.

Quality product from the Italian manufacturer Vertex.

Details

ManufacturerVertex
Nominal diameter38.5 mm
Ø outside piston (A)38.45 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 moldRectangular ring, L-ring
Piston ring impactFlank safety device (FS), Internal fuse (IS)
Piston ring height2 mm, 1.5 mm
Ø piston pin (B)12 mm
Piston weight77 g

Suitable for the following models

Tomos

FunSport

Roadie

Accessories & related products

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