Specification
Full Description
Designer: Roy Amsbury
A 120cc four-stroke engine designed for use in a 5in. gauge Hymek locomotive, but suitable for other applications. All construction is fabricated and no castings are necesary. (Vols. 166, 167)
Sheet I General arrangement (of one cylinder block only), cylinder head fabrication details, cylinder liners, piston and ring details, water and oil pumps, connecting rod jigs, timing gear cover
Sheet 2 Crankshaft, blade and fork connecting rods, cylinder head details, camshaft, pushrods, rockers, tappets etc, petrol pump, inlet manifolds
Sheet 3 Cams, sump, carburettor, distributor, contact breaker, flywheel, starter gear
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