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Availability date: 12/29/2018
Novarossi PLUS 21-4BTT Buggy .21 4 Port Off/Road (Steel)
This is Novarossi PLUS 21-4BTT .21 Off/road World Champion engine.
The new crankshaft gives the engine a better balancing. This will reduce the vibration produced by the rotating and the alternating masses.
This a 'Lighter&Lower evolution 3' type of cooling head. It is drilled and milled out to reduce the mass of the coolinghead which sits high up in the car and thereby lowering the Center of Gravity of the engine/car.
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..
4 Ports ABC Piston Sleeve
The sleeve has 4 transfer ports , the best compromise to make a linear power supply with minimal fuel consumption combination possible.
As this engine comes as "Factory Tuned" we have modified the crankshaft to futher improve the power output and driveability.
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.
C.Capacity : 3,49 cc
Power: R.P.M. 35.500 Rpm
Bore : 16,26 mm
Stroke : 16,80 mm
Ports : 4
Crankshaft : 14,00 mm Turbo Tuned
carburettor : 7mm nylon + reducer
Bougie : Turbo
Main Bearing : High Speed