What category is the 1987 Donghai SM 750?

The 1987 Donghai SM 750 has a Category of Unspecified category.

What is the engine size of the 1987 Donghai SM 750?

The 1987 Donghai SM 750 has a Capacity: of 745.00 ccm (45.46 cubic inches).

What type of engine does the 1987 Donghai SM 750 have?

The 1987 Donghai SM 750 has a Engine type of Twin.

What is the engine power of the 1987 Donghai SM 750?

The 1987 Donghai SM 750 has a Power of 26.00.

Is the 1987 Donghai SM 750 air cooled or liquid cooled?

The 1987 Donghai SM 750 has a Cooling system of Air.

How many gears does the 1987 Donghai SM 750 have?

The 1987 Donghai SM 750 has a Gearbox of 4-speed.

How much does the 1987 Donghai SM 750 weigh?

The 1987 Donghai SM 750 has a Weight incl. oil, gas, etc of 258.0 kg (568.8 pounds).

What is the top speed of the 1987 Donghai SM 750?

The 1987 Donghai SM 750 has a Top speed of 138.0 km/h (85.7 mph).

Donghai SM 750 - 1987 Specifications and Reviews

Name: 1987 Donghai SM 750
Brand: Donghai

The 1987 Donghai SM 750 is a mid-sized air-cooled twin suited for practical commuting and casual riding. Its modest 26 horsepower and 745cc engine prioritize reliability and economy over performance. Best known for affordable, dependable transportation in Asian markets, this straightforward motorcycle appeals to budget-conscious riders seeking basic utility.

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1987

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General information
Category	Unspecified category
Year	1987
Model	Donghai SM 750
Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	4-speed
Cooling system	Air
Fuel control	OHV
Valves per cylinder	2
Bore x stroke	78.0 x 78.0 mm (3.1 x 3.1 inches)
Compression	7.0:1
Power	26.00
Stroke	4
Engine type	Twin
Capacity:	745.00 ccm (45.46 cubic inches)
Physical measures and capacities
Weight incl. oil, gas, etc	258.0 kg (568.8 pounds)

Donghai SM 750 dimensions and frame
Rear brakes	Expanding brake
Front brakes	Expanding brake
Rear tyre dimensions	120/90-17
Front tyre dimensions	120/90-17
Speed and acceleration
Top speed	138.0 km/h (85.7 mph)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity	25.00 litres (6.61 gallons)

Performance Profile & Rider Fit

26 hp

Peak Power

12.5s

0-60 mph

85.7 mph

Top Speed

Best For

Track10%

City45%

Cornering30%

Daily Riding45%

Touring40%

Passenger35%

Rider Profile

Best For	This machine suits riders comfortable with low-powered, old-fashioned motorcycles that demand patience and mechanical sympathy rather than outright skill.
Purpose	It was built as a modest, utilitarian twin for basic transportation rather than performance or adventure riding.
Rider Fit	The drum brakes, heavy steel construction, and dated 4-speed gearbox mean riders need decent physical effort and tolerance for old-school ergonomics.
Character	It has the character of a slow, steady, air-cooled workhorse from a bygone era, valuing reliability and simplicity over excitement.
Not Ideal For	This is not for riders seeking modern speed, sharp handling, long-distance comfort, or serious off-road capability.

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