1968 Norton Mercury 650 Technical Analysis & Specification Breakdown
Positioned in Norton's allround motorcycle lineup, the 1968 Norton Mercury 650 pairs a 646 cc (39.4 cu in) air-cooled twin, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 68.0 x 89.0 mm (2.7 x 3.5 inches) with a 9.0:1 compression ratio.
On the scales, the Mercury 650 measures 185 kg (408 lbs) dry.
Within MotoLibrary's Norton archive, this model family spans 2 indexed model years from 1968 to 1969, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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