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AJS Silver Streak 500

Make Model.	AJS Silver Streak 500
Year	1938
Engine	Single cylinder, single port, push-rod OHV with polished heads and ports
Capacity	498 cc / 30.4 cu in
Bore x Stroke	82.5 x 93 mm
Compression Ratio	5.9 or 7.1:1
Cooling System	Air cooled
Lubrication	Dry sump
Oil Capacity	2.8 L / 6 US pt
Exhaust	1-into-1, high level
Induction	Amal carburetor
Starting	Kick
Max Power	3.7 kW / 4.98 hp
Transmission	4 Speed, Burman gearbox
Final Drive	Chain
Gear Ratios	1st 13.3 / 2nd 8.8 / 3rd 6.4 / 4th 5.0:1
Front Suspension	Girder fork
Rear Suspension	Rigid, spring loaded saddle
Front Brakes	Drum
Rear Brakes	Drum
Wheels	Chrome plated rims with wire spokes
Front Rim	3.0 x 26
Rear Rim	3.5 x 26
Dry Weight	150 kg / 330 lbs
Fuel Capacity	11 L / 3.0 US gal

The AJS Silver Streak was a British motorcycle launched in 1938 and described in the sales brochure as the 'aristocrats of the motor-cycle world'. Produced with a choice of 250 cc, 350 cc and 500 cc engines, the Silver Streaks were super sport machines with a special polished finish and hand tuned engines. As many parts as possible were specially chrome plated, including the mudguards, headlamp, fork links, front and rear chain cases, oil and petrol tanks and even the tool-box.

The Silver Streak had high ground clearance and a substantial crankcase shield which made it a good competition motorcycle. A low bottom gear made it useful for cross country and close ratios made it a fast road bike.