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AJS Model 31 650

AJS Model 31 650

Production Year: 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966
AJS Models
Type: air-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder


engine specs
Typeair-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder
Displacement646 cm3
Bore X Stroke2.8x3.1 in OR 71 mm
Compression Ratio7.5:1
Horsepower43/6000 KW(hp)/RPM
Fuel Systemcarburetor
transmission specs
Gearbox4-speed, manual
Clutchwet multi-disc, manual
Final Drivechain
chassis specs
Framesteel
Front Suspensiontelescopic fork
Rear Suspensiondual shocks
Front Brakedrum
Rear Brakedrum
tyres specs
Front3.25 -19
Rear3.50 -19

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Let's Compare


AJS Model 31 650
AJS Model 31 650
vs
INDIAN Chief Dark Horse
INDIAN Chief Dark Horse
AJS Model 31 650
AJS Model 31 650
vs
TRIUMPH Scrambler 1200 XE
TRIUMPH Scrambler 1200 XE
AJS Model 31 650
AJS Model 31 650
vs
APRILIA RS 457
APRILIA RS 457
AJS Model 31 650
AJS Model 31 650
vs
ARCH MOTORCYCLE 1S
ARCH MOTORCYCLE 1S
AJS Model 31 650
AJS Model 31 650
vs
BMW R 12
BMW R 12
AJS Model 31 650
AJS Model 31 650
vs
HARLEY-DAVIDSON CVO Street Glide
HARLEY-DAVIDSON CVO Street Glide

Disclaimer

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