NOVAROSSI (#359Race.21) 359 Plus 2 On-Road Engine (2008)
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|Fuel recommendation: This engine has been developed to be used with a fuel with a maximum of 25% nitro content and with an oil percentage not lower than 7%. We therefore suggest not to use it with different percentages compared to the ones specified here above.
Glowplug: The glowplug of engine is a Turbo type glowplug.
Turb glowplugs have a different shape than Standard glowplugs and therefor are not interchange able with engines that are using Standard glowplugs!
Crankshaft: The crankshaft is grinded to increase the mixture flow and has a special shape to reduce turbulences inside the crankcase. The balancing is done by two inserts made of tungsten alloy and the inlet has a silicon filling to reduce the weight of the crankshaft to improve acceleration. The ball bearing was lowered to 5mm. The front part was extended to improve the seal against fuel leaking.
Sleeve: 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.
Cooling head: The cooling heads of the PLUS 2 engines are made lighter by making aditional holes in the cooling fins.
This reduces the overall mass of the engine.
Combustion chamber: The combustion chamber is supported by an O-Ring which is placed between the combustion chamber and the crankcase to reduce the vibrations of the combustion chamber.
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.
Engine Size: .21
Displacement: 3.49 cc
Maximum power: 2.9 hp
R.P.M. (M.P.): 38.700 rpm
Practical Range: 6.000÷ 46.300 rpm
Bore x Stroke: 16.26 mm x 16.80 mm
Ports nr.: 9
Rear Ball Bearing Type: Ceramics
Crankshaft Type: 14,50mm - TURBO SG
Carburetor Type: 9,0mm - Slide
Carburetor Material: Aluminium
Carburetor Adjustment: Single
Glowplug type - Code: TURBO - C7TGF
Exhaust position: Rear exhaust
Fuel type: Advise 25% Nitro