SR 250
1968 Allstate SR 250 Technical Analysis & Specification Breakdown
Built around Allstate's allround motorcycle platform, the 1968 Allstate SR 250 pairs a 250 cc (15.3 cu in) air-cooled single cylinder, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 16 HP (11.7 kW) at 5,800 rpm. With a specific output of 64 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the SR 250 measures 140.2 kg (309 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (8.76 kg per horsepower).
Within MotoLibrary's Allstate archive, this model family spans 5 indexed model years from 1964 to 1968, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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