Chang-Jiang 750 J-1: history, specs, pictures

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Chang-Jiang 750 J-1
Also called 750 J-1 (with sidecar)
Production 1987 - 1992
two cylinder boxer, four-stroke
Bore / Stroke 78.0mm x 78.0mm
Top Speed 68 mph (110 km/h)
Horsepower 26.42 HP (19.7 KW) @ 5000RPM
Transmission Gear box: 4-speed with reverse
Final Drive: shaft drive (cardan)
Brakes Front: single disc
Rear: expanding brake
Front Tire 3.75-19
Rear Tire 3.75-19
Weight 370.0 kg (wet)
Fuel Capacity 6.34 Gallon (24.00 Liters)
Manuals Service Manual

The Chang-Jiang 750 J-1 (with sidecar) was a two cylinder boxer, four-stroke standard produced by Chang-Jiang between 1987 and 1992. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 26.42 HP (19.7 KW) @ 5000 RPM.


The engine was a air cooled two cylinder boxer, four-stroke. A 78.0mm bore x 78.0mm stroke result in a displacement of just 745.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).


The bike has a 4-speed with reverse transmission.


It came with a 3.75-19 front tire and a 3.75-19 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The 750 J-1 (with sidecar) was fitted with a 6.34 Gallon (24.00 Liters) fuel tank.