Originally posted by GoldFinger
No, the piston is not as good as NSR.
The top coat will break on the 3rd gallon if you are using max temp (110-120 C) all the time.
Goldfinger you are wrong. The piston on the RR series of motors is Microcast not CNC.
RR12L3
RR12L5
Displacement
2.1 cm^3
Maximum power
1.54 cv 1.62 cv
R.P.M.
40.800 g/min 43.300 g/min
Bore x Stroke
13.70 mm x 14.25 mm
Ports nr.
3
5
Piston type
Microcasted
Crankshaft Ø 11.5 mm
Type EFRA SG Turbo SG
Glow Plug Type Turbo
Exhaust Type Rear
Carburetor Ø 5.4 mm (interchangeable insert)
Type Slide
Material Aluminium Alloy
Taken from Nova Rossi website.
http://www.novarossi.com/default.htm