Novarossi BK15SL nitro bike engine

Novarossi have a new 2.5cc engine for nitro bikes available. The BK15SL is based on the previous BK15 and offers a 5-port design for a linear power output and low fuel consumption. The crankshaft sports a larger diameter intake for increased mixture flow and a special shape optimised the gas flow within the crankcase. The big bore engine used Turbo-style glow plugs, it comes with a 6.5mm slide carburettor, steel ball bearings and a starter adapter backplate.

Specifications:
– Displacement: 2.49cc
– RPM (max. power): 42,000
– Practical range: 6,000-43,000
– Bore/stroke: 14.90×14.25mm
– Sleeve: 5 ports
– Rear ball bearings: steel
– Front ball bearings: steel
– Crankshaft: 11.5 mm – turbo
– Carburettor: Aluminium – 6.5mm – slide
– Glowplug: Turbo (C5TGC)
– Exhaust position: Side
– Starting: Standard
– Fuel type: 16% nitro

Source: Novarossi [novarossi.it]