High performance kit with aluminum cylinder, bar exhaust, 192/130 diagrams and 15: 1 compression ratio.
The Ø50mm kit in combination with the 44mm long stroke crankshaft offers 85cc of real displacement.
To be installed with a large carburetion 24mm minimum, a racing variation, a variable advance ignition and the specifically planned TPR exhaust (special mounting flange between 51mm axis).
Ø50mm single segment piston of very good quality. Comes complete with screws, accessories, gasket, ...
As an option we offer a stage 1 preparation, this preparation is a modification of the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!
Mounts on 50cc 2-stroke liquid PIAGGIO engine :
APRILIA SR
ARPILIA SR R
DERBI GP1
DERBI GPI OPEN
GILERA DNA
GILERA RUNNER SP before 2005
GILERA RUNNER SP after 2006
GILERA RUNNER
PIAGGIO NRG EXTREME
PIAGGIO NRG MC2 before 1997
PIAGGIO NRG MC2 after 1998
PIAGGIO NRGPIAGGIO NRG MC3 DD
PIAGGIO NTTPIAGGIO NRG Power DD
PIAGGIO QUARTZ
PIAGGIO ZIP SP after 2001
PIAGGIO ZIP SP before 2000
And other models ...
