High motor 80cc kit 47,6mm BIDALOT WR special race 44,9mm DERBI euro 3 & 4

Not approved on open road, only reserved for circuit competition, closed road.

Description BIDALOT:

We are pleased to present our new RF80WR High Engine, for engine DERBI Euro 3, version 80cm3.

We have defined all new transfer and exhaust cores, suitable for the Ø borehole47.6mm. These nuclei have been defined to bring very high performance to high speed, but without penalizing the couple and power to mid-regime.

Fully modeled in 3D CAD, the cylinder sees its water chamber turn all the transfer and exhaust cores, with constant thicknesses, to ensure a high dimensional stability of the cylinder, due to optimized cooling.

The ass, of monobloc type cast, is auto centered in the cylinder. The plot goes back 2.4mm in the borehole on this version 80cm3. As with the cylinder, the cooling of the combustion chamber is optimized by a peripheral water chamber.

This cylinder is intended to be mounted with the Racing Factory Racing vilebrequin 44.9mm, 90mm.

The fixing of the specific exhaust flange, delivered with the Racing factory niouveaux models, is provided by 4 screws. However, it is possible to mount a 2-hole fixation flange, 50mm ink.

This complete set consists of:

RF80WR engine:

Cylinder Aluminium coating nikasil Ø47.6mmCulasse self-centered monobloc 2.4mm in the cylinder, high compression combustion chamber

6 transfers

Escape to Boosters

Associated with the Vilebrequin Course 44.9mm, the exact cylinder is 79.93cm3

Hypersiliciated Piston Racing FactoryJeu de joints d'embase de différents thicknesses

New Profile 2018, eliptical, specific, to decrease operating games

Segment Chromed steel Ø47.6x1, bombed rode, japanese manufacturing

Axe Ø12x40mm

Cock joint game

4 cylinder studs L=124mm

Miscellaneous visor