Motore Novarossi VIR-TUS.21 1/8 OFF ROAD

Motore Novarossi VIR-TUS .21OFF/A Off/Road
GTIN: Non applicabile
Marca:: Novarossi
Non disponibile



08593   13021   biella-R7   21000-2
The sleeve has 9 transfer ports and an exhaust with booster ports. The special shape and positioning of the ports, covered by a patent, improve the internal fluid-dynamics to obtain the maximum possible performance.
  Rear cover:
The rear cover presents a round shape to optimize the filling and reducing the dead spaces. the steel plate is to reduce friction and to expand the lifespan of the conrod.
The R7 conrod is made from a superlight alluminium which has been checked ultrasonic. The specific form of the R7 creates little turbulence inside the engine while running.
The inner shape of the gasket has a new shape, and with that more material. Together with a change in material these gaskets are more resistant to high temperatures.


Dati tecnici:

Displacement: 3,49 cc
   R.P.M. (max power): 41.000 RPM
   RPractical range: 6.000-46.800 R.P.M.
   Bore x stroke: 15,88x17,60 mm
   Sleeve: 7 ports
   Rear ball bearings: steel
   Front ball bearings: steel
   Crankshaft: 14,5 mm - tuned - turbo
   Carburetor: 9 mm
   Glowplug: Turbo
   Exhaust position: rear
   Starting: -
   Weight: 336 g
   Fuel type: 25% nitro

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