AJS H6 Big Port 350

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AJS H6 Big Port 350
Production 1928
Class Classic
air-cooled, four-stroke, single cylinder, OHV
Bore / Stroke 73.7mm x 73.7mm
Compression ratio 7:1
Horsepower 2.95 HP (2.2 KW) @ 4000RPM
Transmission Gear box: 3-speed, manual, countershaft
Final Drive: chain
Suspension Front: girder fork
Rear: hardtail, sprung seat
Brakes Front: drum
Rear: drum
Weight 90.0 kg (wet)
Manuals Service Manual

The AJS H6 Big Port 350 was a air-cooled, four-stroke, single cylinder, OHV Classic motorcycle produced by AJS in 1928. Claimed horsepower was 2.95 HP (2.2 KW) @ 4000 RPM.

Engine[edit | edit source]

A 73.7mm bore x 73.7mm stroke result in a displacement of just 349.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 3-speed, manual, countershaft transmission.

Chassis[edit | edit source]

Stopping was achieved via drum in the front and a drum in the rear. The front suspension was a girder fork while the rear was equiped with a hardtail, sprung seat.

1928 AJS H6 Big Port 350[edit | edit source]

1928 AJS H6 Big Port 350

The 1927 AJS H6 Big Port 350 has, at its heart, an air-cooled, four-stroke, 349cc, single cylinder powerplant paired to a three-speed manual transmission, and can reach a maximum power output of 3 horsepower. This classic machine came with laced, large wheels, a single exhaust tube, a small fuel tank, a hardtail rear suspension in the rear, a sprung solo seat, and a girder fork as a front suspension plus a drum braking system.

Videos[edit | edit source]