Pack 50cc high engine Ø40mm DOPPLER cast iron + crankshaft DERBI euro 1 & 2

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

Here is the latest novelty from DOPPLER for DERBI euro 1 & 2, the complete kit, cylinder piston, cylinder head with VERTEX bi-segment piston + crankshaft / connecting rod assembly reinforced in full masses for a torquey, solid and efficient assembly!

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

The pack contains :

- Cast iron cylinder Ø40,3mm
-Culasse aluminum Ø40,3mm
- Reinforced piston bi-segments Ø40,3mm
-2 segments
-Exhaust flange
-G type piston clips
-Reinforced piston pin
-Pack attached
-Notice

-Reinforced crankshaft in full masses

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 of the piston and the lower skirts is also included in this modification. Count a little extra time for this preparation!

This high engine mounts on 50cc motorcycles with gearboxes equipped with the DERBI Euro1 and Euro2 engine:

BULTACO Astro enduro 50cc
BULTACO Lobito supermoto 50cc

DERBI GPR 50 Nude before 2004 (EBS050)
DERBI GPR 50 Racing before 2004 (EBS050)
DERBI GPR 50R Replica year 2001 to 2004
DERBI GPR 50cc year 1998 to 2001
DERBI Senda 50cc before 2000 (tubular frame)
DERBI Senda 2000 50cc before 2004 (perimeter frame) Euro2
DERBI Senda DRD supermotard before 2000 (tubular frame)
DERBI Senda DRD supermotard before 2004 (perimeter frame) Euro 2
DERBI Senda Enduro before 2000 (tubular frame)
DERBI Senda R DRD Enduro before 2000 (tubular frame)
DERBI Senda R DRD Enduro before 2004 (perimeter frame) Euro2
DERBI Senda SM before 2000 (tubular frame)
DERBI Senda SM before 2004 (perimeter frame) Euro 2
DERBI Senda X-Race 2000 before 2004 (perimeter frame) Euro 2
DERBI Senda X-Race Trail before 2000 (tubular frame)
DERBI Senda X-Trem Enduro before 2000 (tubular frame)
DERBI Senda X-Trem Enduro before 2004 (perimeter frame) Euro 2
DERBI Senda X-Trem SM before 2000 (tubular frame)
DERBI Senda X-Trem SM before 2004 (perimeter frame) Euro 2

GILERA GP Replica 50cc
GILERA GSM 50cc
GILERA HAK Euduro 50cc
GILERA RC R Euduro 50cc (tubular frame)
GILERA SMT SM 50cc (tubular frame)
GILERA Sioux Enduro 50cc
GILERA Zulu Enduro 50cc

And many other models...