Chang-Jiang SM 750 (with Sidecar) - 1988 Specifications and Reviews

The 1988 Chang-Jiang SM 750 is a practical sidecar motorcycle suited for riders seeking affordable, stable transportation for passengers or cargo. Its air-cooled 745cc twin engine delivers modest power with reliable simplicity, while the attached sidecar provides genuine utility. Best known for economical Chinese engineering and rugged dependability on varied terrain.

1988
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General information

CategoryUnspecified category
Year1988
ModelChang-Jiang SM 750 (with sidecar)

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox4-speed
Cooling systemAir
Fuel controlOHV
Valves per cylinder2
Bore x stroke78.0 x 78.0 mm (3.1 x 3.1 inches)
Compression7.0:1
Power26.00
Stroke4
Engine typeTwin
Capacity:745.00 ccm (45.46 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc400.0 kg (881.8 pounds)
 
 

Chang-Jiang SM 750 (with Sidecar) dimensions and frame

Rear brakesExpanding brake
Front brakesExpanding brake
Rear tyre dimensions4.00-17
Front tyre dimensions4.00-17
 
 

Speed and acceleration

Top speed119.0 km/h (73.9 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity25.00 litres (6.61 gallons)

Performance Profile & Rider Fit

26 hp
Peak Power
73.9 mph
Top Speed

Best For

Track5%
City25%
Cornering10%
Daily Riding30%
Touring45%
Passenger70%

Rider Profile

Best ForThis rig is best suited to experienced riders who have specifically trained on sidecar rigs, since a sidecar demands an entirely different, counter-intuitive set of steering and braking skills than a solo motorcycle.
PurposeBuilt as a rugged, utilitarian BMW-derived flat-twin clone with a sidecar attached, it is best suited to slow-paced touring, cargo hauling, and novelty or heritage riding rather than any performance use.
Rider FitHandling this outfit requires real physical strength and stamina, as the drum brakes, heavy chassis, and sidecar leverage all demand significant muscular input at low speed and in turns.
CharacterIt has a slow, deliberate, tractor-like mechanical character full of vintage charm, with a low-revving air-cooled twin that rewards patience over urgency.
Not Ideal ForThis is not the machine for riders seeking speed, agility, modern comfort, or confident cornering, as its drum brakes, low power, and sidecar geometry make it unsuitable for spirited or aggressive riding.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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