With its mono-segment piston , its compression ratio of 14.5: 1 and its high diagrams of 195 ° and 130 ° for the intake. We recommend an ignition advance of 20 °.
Here is the TOP PERFORMANCES RACING TPR version kit for PIAGGIO / GILERA motor scooter with liquid cooling to be used with the crankshaft in the original race as the top performance 9926220
This very high quality kit has an aluminum cylinder coated with a composite deposit of nickel and silicon carbide.
A cylinder head stud in 2 parts for better cooling, Use only SP98, a reinforced crankshaft with bearings with a set of C4, a 24 to 28mm carburetor, a racing exhaust, a racing variator and if possible, a variable advance ignition ...
We recommend a 24mm carburetor with a main jet between 180 and 220 with the installation of an NGK BR10 EGV / B10EG spark plug
These photos are taken from the pack with the crankshaft, by ordering this reference you will not receive any crankshaft, bearings or studs ... the photos will be added soon.
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 ...
