Editing AJS Model 31

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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}}
The '''[[AJS]] Model 31650 Swift''' is a twin, [[four-stroke]] allround [[motorcycle]] produced between 1959 and 1966. Claimed [[horsepower]] was 30.71 HP (22.9 KW) @ 6000 [[RPM]].   
{{Motorcycle
|name            = AJS Model 31 650
|photo=ajs-model-31-650-1957-1966-0.jpg
|aka              = 650 Swift
|manufacturer    = AJS
|parent_company  =
|production      = 1957
|model_year      =
|predecessor      =
|successor        =
|class            = Classic
|engine          = air-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder
|bore_stroke      = 71.1mm x 71.1mm
|compression      = 7.5:1
|top_speed        =
|power            = 43.05 HP (32.1 KW) @ 6000RPM
|torque          =
|ignition        = magneto
|spark_plug      =
|battery          =
|transmission    = Gear box: 4-speed, manual <br>
Final Drive: [[chain]] <br>
Clutch: wet multi-disc, manual <br>
 
|frame            =
|suspension      =Front: telescopic fork <br>
Rear: dual shocks
|brakes          =Front: drum <br>Rear: drum
|front_tire      = 3.25 -19
|rear_tire    = 3.50 -19
|rake_trail      =
|wheelbase        =
|length          =
|width            =
|height          =
|seat_height      =
|dry_weight      =
|wet_weight      =
|fuel_capacity    = 4.23 Gallon (16.00 Liters)
|oil_capacity    =
|fuel_consumption =
|turning_radius  =
|related          =
|competition      =
}}
 
The '''[[AJS]] Model 31 650 Swift''' was a air-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder Classic [[motorcycle]] produced by [[AJS]] in 1957. Claimed [[horsepower]] was 43.05 HP (32.1 KW) @ 6000 RPM.   
 
==Engine==
==Engine==
A 71.1mm [[bore]] x 71.1mm [[stroke]] result in a [[displacement]] of just 646.0 cubic centimeters.   
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).   
 
==Drive==
==Drive==
The bike has a 4-speed, manual transmission. Power was moderated via the wet multi-disc, manual.   
The bike has a 4-speed [[transmission]]. The [[final drive]] was via [[chain]]. Power was moderated via the wet multiplate.   
 
==Chassis==
==Chassis==
It came with a 3.25 -19 front [[tire]] and a 3.50 -19 rear tire. Stopping was achieved via drum in the front and a drum in the rear. The front suspension was a  telescopic fork while the rear was equiped with a dual shocks.
It [[cam]]e with a 3.25-19 front [[tire]] and a 3.25-19 rear tire. Stopping was achieved via expanding [[b[[rake]]]] ([[drum brake]]) in the front and a expanding brake (drum brake) in the rear. The front suspension was a  [[hydraulic]] telescopic while the rear was equiped with a twin shock girling. The Model 31650 Swift is fitted with a 4.23 Gallon (16.00 Liters) [[fuel tank]]. The bike weighs just 388.01 pounds (176.0 Kg). 
 
[[Category: AJS motorcycles]]
==1957 - 1966 AJS Model 31 650==
[[Category: 1960s motorcycles]]
[[File:ajs-model-31-650-1957-1966-0.jpg|600px|1957 - 1966 AJS Model 31 650]]
[[Category: 1950s motorcycles]]
 
The 1957 AJS Model 31 650 has, at its heart, an air-cooled, four-stroke, 646cc, parallel twin powerhouse paired to a four-speed manual transmission, and can reach a maximum power output of 43 horsepower at 6000 rpm.
 
It comes standard with features such as a blacked-out frame, a suspension package composed of a front telescopic fork and dual shocks as a rear suspension, a dual seat, a chromed, dual exhaust system, laced wheels, full fenders, and a dual tone paint scheme.
 
 
==In Media==
* [https://motopixel.org/pixel/some-people#ajs-model-31 Some People]
* [https://motopixel.org/pixel/today-in-britain#ajs-model-31 Today in Britain]
 
[[Category:Classic motorcycles]]
[[Category:Road motorcycles]]
[[Category:AJS motorcycles|Model 31]]
[[Category:1960s motorcycles]]
[[Category:1950s motorcycles]]

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