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Aluminum kit, large diagrams, mono-semgent, stud bolt, exhaust valve ... Suffice to say that we are very heavy !!!
ATHENA high performance kit with exhaust valve! This guillotine valve, as on certain YAMAHA, ROTAX and other engines, allows the exhaust diagram to be lowered at low speeds to have maximum torque, and to gradually increase it at high speed for maximum power! Otherwise, the parameters speak for themselves, large compression ratio, fine mono-segment piston, cylinder head ... We are on a very powerful 50cc kit! Ideal on a cross or enduro machine which must respect the displacement of 50cc!
As an option we offer 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 all DERBI EURO 3 and EURO 4 50cc motorcycle engines :
APRILIA RS 50 2T LC euro 2 2006-> (DERBI D50B1)
APRILIA RS4 50 2T LC euro 2 (DERBI)
APRILIA RX - SX 50 2T LC 2007-> (DERBI D50B0)
DERBI Senda DRD PRO R 50 2T LC (D50B0)
DERBI Senda DRD PRO SM 50 2T LC (D50B0)
DERBI Senda DRD RACING R - SM 50 2T LC (D50B0)
DERBI Senda EVO SM 50 2T LC (D50B0)
DERBI GPR NUDE 50 2T LC 2006-> (D50B0)
DERBI GPR RACING 50 2T LC 2006-> (D50B0)
DERBI GPR R 50 2T LC euro 2 2012->
DERBI Senda X-RACE R - X-RACE SM 50 2T LC (D50B0)
DERBI Senda X-TREME R - X-TREME SM 50 2T LC (D50B0)
GILERA RCR - SMT 50 2T LC (DERBI D50B0)
And many other machines.
Specific References
Reference: 11000188
A super powerful kit, clearly above all the other 50cc!!
Reference: 3112977
A high performance kit reserved for competition in 50cc, very worked diagrams with a very studied architecture!
Reference: 558
A very good quality kit that will offer excellent solidity and all this at a low price!
Reference: 030312
One of the cheapest kits on the market. Ideal for repairing your euro 3 at a lower cost.
Reference: H010892399
A kit a little more powerful than the original while maintaining excellent reliability for a totally ridiculous price.
Reference: 9927100
A high performance racing engine, solid and reliable for derbi euro 3 and 4. Kit with stud cylinder head ..
Reference: 020841399
A kit more powerful than the origin with a very good solidity, cheap because sold without cylinder head.
Reference: H020892399
Ideal to have a kit of very good quality with better performance than the original without paying dearly at the time.
Reference: 3112981
The famous MALOSSI MHR TEAM for DERBI EURO 3 and 4 engine!
Reference: 11000057
A super powerful kit, at the height of MALOSSI MHR TEAM 50cc and POLINI EVOLUTION 50cc see above!
Reference: CIL-748
Solid and efficient, a cylinder / piston without cylinder head ideal to respect the 50cc displacement and to circulate every day 5 transfers, oval exhaust with ooster, dual piston segments ....
Reference: 010841399
A kit more powerful than the origin with a very good solidity.
Reference: 504642
The latest cry from DOPPLER , the high cast iron engine which brings a good performance gain on DERBI euro 3 and 4 while preserving the solidity and the legal displacement of 50cc.
Reference: 472591
Here is a kit much cheaper than the original but of excellent quality!
Reference: IM2
The latest cast iron from MVT , the high cast iron engine which brings a very good performance gain on DERBI euro 3 and 4 while preserving the solidity and the legal displacement of 50cc.
Reference: 010840399
A kit much more efficient than the original while keeping a very good solidity.
Aluminum kit, large diagrams, mono-semgent, stud bolt, exhaust valve ... Suffice to say that we are very heavy !!!
