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Difference between revisions of "AJS Model 31"
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The '''[[AJS]] Model | The '''[[AJS]] Model 31 650 Swift''' is a twin, [[four-stroke]] allround [[motorcycle]] produced between 1959 and 1966. Claimed [[horsepower]] was 30.71 HP (22.9 KW) @ 6000 [[RPM]]. | ||
==Engine== | ==Engine== | ||
The engine was a [[air cooled]] twin, four-stroke. A 72.0mm [[bore]] x 79.3mm [[stroke]] result in a [[displacement]] of just 646.0 cubic [[centimeter]]s. The engine features a 7.5:1 [[[[compression ratio]]]]. Fuel was supplied via a overhead [[valve]]s (ohv). | The engine was a [[air cooled]] twin, four-stroke. A 72.0mm [[bore]] x 79.3mm [[stroke]] result in a [[displacement]] of just 646.0 cubic [[centimeter]]s. The engine features a 7.5:1 [[[[compression ratio]]]]. Fuel was supplied via a overhead [[valve]]s (ohv). | ||