Ural M 67-6 (reduced Effect) - 1991 Specifications and Reviews

The 1991 Ural M 67-6 is a modest 650cc boxer twin designed for practical, no-nonsense riding. Its air-cooled engine and shaft drive prioritize reliability and low maintenance over performance. Best suited to riders seeking affordable, straightforward transportation with classic Soviet engineering appeal.

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General information

CategoryUnspecified category
Year1991
ModelUral M 67-6 (reduced effect)

Engine and Transmission Specifications

Transmission typefinal driveShaft drive (cardan)
Gearbox4-speed
Cooling systemAir
Fuel controlOHV
Valves per cylinder2
Bore x stroke78.0 x 68.0 mm (3.1 x 2.7 inches)
Compression7.0:1
Power27.00
Stroke4
Engine typeTwo cylinder boxer
Capacity:650.00 ccm (39.66 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc215.0 kg (474.0 pounds)

Ural M 67-6 (reduced Effect) dimensions and frame

Rear brakesExpanding brake
Front brakesExpanding brake
Rear tyre dimensions4.00-18
Front tyre dimensions4.00-18

Speed and acceleration

Top speed130.0 km/h (80.8 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity17.00 litres (4.49 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
18s
0-60 mph
80.8 mph
Top Speed

Best For

Track5%
City30%
Cornering15%
Daily Riding30%
Touring40%
Passenger35%

Rider Profile

Best ForThis bike suits experienced riders who understand vintage, low-powered shaft-drive machines with drum brakes and modest performance.
PurposeIt is built for slow, steady utilitarian riding and short-distance transport rather than any kind of speed or sport riding.
Rider FitRiding it demands physical effort and patience due to heavy steering, weak brakes, and a stiff old-fashioned chassis.
CharacterIt has a rugged, old-world charm rooted in Soviet-era engineering and simple, air-cooled boxer mechanics.
Not Ideal ForThis is not for riders seeking speed, modern handling, or long confident highway journeys.

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

Rider Reviews

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