September 16, 2014

Murnan Modified RBM3X touring engine

Muran Modified RBM3X touring engine

New from Murnan is the RBM3X .12 touring car engine which has undergone extensive design changes from the previous RBM3. The improved design allows a new level of performance to be achieved and the 3-port design is race legal around the world. The features include new port timing, a new cooling head and the engine is hand-tuned for improved power output.

Muran Modified RBM3X touring engine

– 11.9mm tungsten balanced crankshaft
– Exhaust side lubrication holes
– New port timing
– New cooling head
– Black coated crankcase
– Special low friction front steel bearing
– 11.9mm ceramic rear bearing
– CNC machined piston
– Hand-tuned

– Displacement: 2,1 cc
– R.P.M. (max power): 43.500 RPM
– Practical RPM range: 6,000 – 45,000
– Bore/stroke: 13.70/14.25 mm
– Sleeve: 3 ports
– Rear ball bearing: ceramic
– Front ball bearing: steel
– Crankshaft: 11.9 mm balanced
– Carburettor: Aluminium – 6.5 mm – slide
– Glowplug: Turbo

Source: Murnan []


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