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G50 Engine    National Successes    International Successes

Design & Manufacture
of Inca 2001
Winning G50 Engine

SPECIAL 'Narrow valve angle' G50 Engine

This engine was developed by ourselves for George Beale Motorcycles. It has proved very successful in the hands of Sandro Baumann who won the 2001 Inca Championship.

		STD SPEC	SPECIAL SPEC
	Borex Stroke C.Ratio Inlet down draft angle Valve angles	90x78 11:1 12 deg 74.5 deg	92x75 13.5:1 25 deg 53 deg

	Comparison of original rockers (TOP) with special short rockers (Bottom)
	Early prototype narrow valve angle head
	Flywheels are manufactured with integral shafts, hardened then fully ground

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