The technical data for Russian motorbikes with a boxer engine.
  All data based on original, technical literature.
  M-72
Polish Ministry of Defence manual
1956
K-750W
Polish Ministry of Defence manual
1966
MW-750
Russian instruction manual
1967
MW-650M
Russian instruction manual
1967
Length with side-car:
 
Length without side-car:
93.7 in
(2380 mm)
83.9 in
(2130 mm)
94.5 in
(2400 mm)
85.6 in
(2200 mm)
94.5 in
(2400 mm)
95.7 in
(2430 mm)
Width with side-car:
 
Width without side-car:
62.6 in
(1590 mm)
32.1 in
(815 mm)
65 in
(1650 mm)
32.3 in
(820 mm)
65 in
(1650 mm)
66.9 in
(1700 mm)
Height with side-car:
 
Height without side-car:
39.4 in
(1000 mm)
37.8 in
(960 mm)
41.7 in
(1060 mm)
41.7 in
(1060 mm)
43.3 in
(1100 mm)
Wheel base: 55.1 in
(1400 mm)
57.1 in
(1450 mm)
57.7 in
(1450 mm)
59.8 in
(1510 mm)
Track: 41.3 in
(1050 mm)
43.7 in
(1110 mm)
  47.2 in
(1200 mm)
Seat height: 28.3 in
(720 mm)
  28.3 in
(720 mm)
 
Clearance: 5.3 in
(135 mm)
5.7 in
(120 mm)
5.7 in
(120 mm)
4.9 in
(125 mm)
Weight with side-car: 6.9 cwt
(350 kg)
(with fuel and equipment)
7.3 cwt
(370 kg)
(with fuel and equipment)
6.8 cwt
(345 kg)
(without fuel)
7.3 cwt
(370 kg)
Load:   5.9 cwt
(300 kg)
5.9 cwt
(300 kg)
7.7 cwt
(390 kg)
Top speed with side-car: 52.8 mph
(85 km/h)
55.9 mph
(90 km/h)
55.9 mph
(90 km/h)
59 mph
(95 km/h)
Fuel consumption: 36.2 mpg
(7,8 l / 100 km)
47.1 mpg
(6 l / 100 km)
45.6 mpg
(6,2 l / 100 km)
33.2 mpg
(8,5 l / 100 km)
Oil consumption:   1130 mpg
(0,25 l / 100 km)
1130 mpg
(0,25 l / 100 km)
1883 mpg
(0,15 l / 100 km)
Engine: Four stroke, petrol,
side-valve (sv), petrol,
air cooled
Four stroke, petrol,
side-valve (sv), petrol,
air cooled
Four stroke, petrol,
side-valve (sv), petrol,
air cooled
Four stroke, petrol, overhead valve (ohv), air cooled
Number of cylinders: 2,
opposed, horizontal
2,
opposed, horizontal
2,
opposed, horizontal
2,
opposed, horizontal
Bore: 3.07 in
(78 mm)
3.07 in
(78 mm)
3.07 in
(78 mm)
3.07 in (78 mm)
Stroke: 3.07 in
(78 mm)
3.07 in
(78 mm)
3.07 in
(78 mm)
2.68 in
(68 mm)
Engine capacity: 746 cc 746 cc 746 cc 649 cc
Compression ratio: 5,5 : 1 6,0 : 1 6,0 : 1 7,5 : 1
Power output: 22 b.h.p. at 4500-4800 rpm 26 b.h.p. at 4600-4900 rpm 26 b.h.p. at 4600-4900 rpm 36 b.h.p.
Torque:   30.38 lb. ft. at 3000 obr/min (4,2 kGm) 30.38 lb. ft. at 3000 obr/min (4,2 kGm) 34.72 lb. ft. (4,8 kGm)
Fuel system: Two carburettors type K-37 Two carburettors type K-37A Two carburettors type K-37A Two carburettors type K-301D
Ignition system: Battery 6V Battery 6V
with distributor and manual ignition point adjustment or with dual ignition coil and automatic adjuster
Battery 6V
with distributor and manual ignition point adjustment or with dual ignition coil and automatic adjuster
Battery 12V
with dual ignition coil and automatic ignition point adjuster
Ignition advance angle / system: Manual, 0°-38° before GMP Manual or automatic centrifugal Manual or automatic centrifugal Automatic
Fuel: Petrol Petrol LO 70-76
(min LO 66)
Petrol LO 66-74 Petrol LO 72-76
Clutch: Dry, dual plate Dry, dual plate Dry, dual plate Dry, dual plate, dual actuated, by hand lever or automatically via foot gear change lever
Gearbox: Four-speed, constant-mesh Four-speed, constant-mesh, type 6204 Four-speed, constant-mesh
(later models with reverse)
Four-speed, constant-mesh, with reverse
1st gear ratio: 3,60 3,60 3,60 3,60
2nd gear ratio: 2,28 2,28 2,28 2,28
3rd gear ratio: 1,70 1,70 1,70 1,70
4th gear ratio: 1,30 1,30 1,30 1,30
Reverse gear - - 3,67 3,67
Drive: Propeller shaft Propeller shaft Two propeller shafts driving rear wheel and side-car wheel with differential lock Two propeller shafts driving rear wheel and side-car wheel with reduction gear
Final drive gear ratio: 4,62 4,62 4,62 4,62
(side-car reduction gear: 2,4)
Frame: Tubular, steel Tubular, steel Tubular, steel Tubular, steel
Front suspension: Telescopic Leading link type or telescopic in later models Telescopic Telescopic
Rear suspension: Sliders, coil springs Swing arm, coil springs and hydraulic shock absorbers Swing arm, coil springs and hydraulic shock absorbers Swing arm, coil springs and hydraulic shock absorbers, adjustable
Side-car suspension: Leaf spring Swing arm, coil spring and hydraulic shock absorber Swing arm, coil spring and hydraulic shock absorber Swing arm, coil spring and hydraulic shock absorber, adjustable
Tyres: 3.75 x 19 3.75 x 19 3.75 x 19 3.75 x 19
Tyre pressure – front: 23.5 psi
(1,6 kG/cm2)
23.5 psi
(1,6 kG/cm2)
22 psi
(1,5 kG/cm2)
22 psi
(1,5 kG/cm2)
Tyre pressure – rear: 29-37 psi
(2-2,5 kG/cm2)
29 psi
(2,0 kG/cm2)
29 psi
(2,0 kG/cm2)
37 psi
(2,5 kG/cm2)
Tyre pressure – side-car: 26.5 psi
(1,8 kG/cm2)
26.5 psi
(1,8 kG/cm2)
22 psi
(1,5 kG/cm2)
22 psi
(1,5 kG/cm2)
Front brake: Drum type, mechanical, hand operated Drum type, mechanical, hand operated Drum type, mechanical, hand operated Drum type, mechanical, hand operated with double expander cam
Rear brake: Drum type, mechanical, foot operated Drum type, mechanical, foot operated Drum type, mechanical, foot operated Drum type, mechanical, foot operated
Battery: 6V, 7 or 14 Ah 6V, 14 Ah 6V 2 x 6V, 6 Ah or 12V
Generator: Dynamo type G-11
6V, 45 W
Dynamo
6V, 45 or 65 W
Dynamo
6V, 65 W
Alternator type G-424
12V, 150 W
Fuel tank capacity: 4.8 gal
(22 l)
4.8 gal
(22 l)
4.8 gal
(22 l)
4.2 gal
(19 l)
Engine oil capacity: 3.52 pt
(2 l)
3.52 pt
(2 l)
3.52 pt
(2 l)
3.87 pt
(2,2 l)
Gearbox oil capacity: 1.32 pt
(0,75 l)
1.41 pt
(0,8 l)
1.41 pt
(0,8 l)
2.64 pt
(1,5 l)
Final drive gear oil capacity: 0.44 pt
(0,25 l)
0.19 pt
(0,11 l)
0.35 pt
(0,2 l)
0.18 pt
(0,1 l)
(+ 0.18 pt (0,1 l) in differential & 0.35 pt (0,2 l) in reduction gear)
Front fork oil capacity: 2 x 0.18 pt
(2 x 0,1 l)
2 x 0.39 pt
(2 x 0,22 l)
2 x 0.18 pt
(2 x 0,1 l)
2 x 0.18 pt
(2 x 0,1 l)
2 x 0.23 pt
(2 x 0,13 l)
Shock absorber oil capacity: -     0.185 pt (each)
(0,105 l)
Air filter oil capacity:       0.26 pt
(0,15 l)
Valve clearance (inlet & exhaust): 0.0039 in
(0,1 mm)
0.0039 in
(0,1 mm)
0.0039 in
(0,1 mm)
0.00275 in
(0,07 mm)
Contact breaker gap: 0.0157 – 0.0197 in
(0,4 – 0,5 mm)
0.0157 – 0.0236 in
(0,4 – 0,6 mm)
0.0157 – 0.0236 in
(0,4 – 0,6 mm)
0.0157 – 0.0236 in
(0,4 – 0,6 mm)
Sparking plugs gap: 0.0276 in
(0,7 mm)
0.0236 – 0.0276 in
(0,6 – 0,7 mm)
0.0236 – 0.0276 in
(0,6 – 0,7 mm)
0.0197 – 0.0256 in
(0,5 – 0,65 mm)
Overhead valve models from KMZ (Dniepr)
  Dniepr K-650
User manual
Dniepr MT-9
User manual
Dniepr MT-11
User manual
Dniepr 16
User manual
Length:       95.7 in
(2430 mm)
Width:       66.9 in
(1700 mm)
Height:       42.5 in
(1080 mm)
Wheel base:       59.4 in
(1510 mm)
Track:       47.2 in
(1200 mm)
Clearance:       4.9 in
(125 mm)
Weight with side-car:       6.99 cwt
(355 kg)
Total permissible weight:       12.11 cwt
(615 kg)
Load:       5.12 cwt
(260 kg)
Top speed with side-car:       59 mph
(95 km/h)
Fuel consumption:       35.3 mpg
(8 l / 100 km)
Oil consumption:       1883 mpg
(0,15 l /100 km)
Engine:       Four stroke, petrol, overhead valve (ohv), air cooled
Number of cylinders:       2,
opposed, horizontal,
Bore:       3.071 in
(78 mm)
Stroke:       2.677 in
(68 mm)
Engine capacity:       649 cc
Compression ratio:       7,0 : 1 / 8,5 : 1
Power output:       32 b.h.p. at 5200 rpm
Torque:       34.72 lb. ft.
(4,8 kGm)
Fuel system:       Two carburettors type K-63T
Ignition system:       Battery 12V
with automatic ignition point adjuster
Fuel:       Petrol LO 72-76 / LO 93
Clutch:       Dry, double plate
Gearbox:       Four speed + reverse
1st gear ratio:       4,11
2nd gear ratio:       2,28
3rd gear ratio:       1,70
4th gear ratio:       1,30
Reverse gear ratio:       3,67
Drive:       Two propeller shafts driving rear wheel and side-car wheel with reduction gear
Final drive ratio:       4,62
Side-car reduction gear ratio:       2,40
Frame:       Tubular
Front suspension:       Telescopic
Rear suspension:       Swing arm, coil springs and hydraulic shock absorbers, adjustable
Side-car suspension:       Swing arm, coil spring and hydraulic shock absorber, adjustable
Tyres:       3.75 x 19
Tyre pressure – front:       22 – 23.5 psi
(1,5 – 1,6 kG/cm2)
Tyre pressure – rear:       37 – 38 psi
(2,5-2,6 kG/cm2)
Tyre pressure – side-car:       22 – 23.5 psi
(1,5 – 1,6 kG/cm2)
Front brake:       Drum type, mechanical, hand operated with double expander cam
Rear brake:       Drum type, mechanical, foot operated
Side-car brake:       Drum type, mechanical, foot operated, working in conjunction with rear brake
Battery:       12V, 9 Ah
Generator:       Alternator 12V, 150 W
Fuel tank capacity:       4.18 gal
(19 l)
Engine oil capacity:       3.87 pt
(2,2 l)
Gearbox oil capacity:       2.64 pt
(1,5 l)
Final drive oil capacity:       0.176 pt
(0,1 l)
Differential gear oil capacity:       0.176 pt
(0,1 l)
Reduction gear oil capacity:       0.352 pt
(0,2 l)
Front fork oil capacity:       2 x 0.176 pt
(2 x 0,1 l)
Sparking plug gap:       0.0197 – 0.0256 in / 0.0236 – 0.0295 in
(0,5-0,65 / 0,6-0,75 mm)
Contact breaker gap:       0.0157 – 0.0236 in
(0,4-0,6 mm)
Valve clearance (inlet and exhaust:       0.00275 in
(0,07 mm)
The technical data for Russian motorbikes with a boxer engine.
  All data based on original, technical literature.