Kit 50cc high engine Ø40mm DOPPLER cast iron DERBI euro 3 & 4

Homologated on the road, respects the displacement of 50cc!

Here is the very last novelty from DOPPLER for DERBI euro 3 and 4, the complete kit, piston cylinder, cylinder head with VERTEX piston two segments!

100% developed in France, you will gain on all points, with 20% more torque and less dead volume. Plug and play assembly, delivered complete.

The pack contains :

-Cylinder cast iron Ø40.3mm
-Aluminum cylinder head Ø40.3mm
-Piston reinforced bi-segments Ø40.3mm
-2 segments
-Muffler flange
-G type piston clips
-Reinforced piston pin
-Pack attached
-Notice

As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!

Mounts on the following EURO 3 engines :

Aprilia
RS 50 (DERBI)
RS4 50
RX 50 DERBI
SX

Derbi
GPR Nude (D50B0)
GPR Racing (D50B0)
Senda DRD SM Evo 50
Senda R DRD Pro
Senda R DRD Racing
Senda R X-Race
Senda R X-Treme
Senda SM DRD Pro
Senda SM DRD Racing
Senda SM X-Race
Senda SM X-Treme

Gilera
RCR Euro3
SMT 50