"Revolutionary culture is a powerful revolutionary weapon for the broad masses of the people. It prepares the ground ideologically before the revolution comes and is an important, indeed essential, fighting front in the general revolutionary front during the revolution."
"On New Democracy" (January 1940), Selected Works, Vol. II, p. 382.
0.14 quarts/ 0.13 liters Hydraulic fork oil or SAE 40 to 50 engine oil.
MISC DATA
Clearance
140 mm (5.6")
Track
1170 mm (3' 10")
Wheelbase
1420 mm (5')
Height
1000 mm (3' 5")
Width
1500 mm (5' 2")
Length
2400 mm (8' 4")
Dry weight
340kg (770 lbs)
ENGINE
Volume
746 cc
Bore
78 mm
Stroke
78 mm
Compression
8:1
Fuel
24 l (5.5 gal.) Unleaded, 90 RON (Europe) / 87 PON (US)
Engine oil
2 l (2.2 qrt.) 20W50
Intake valve
0.10 mm (0.004")
Exhaust valve
0.15 mm (0.006")
Ign. Pnt. gap
0.4 - 0.45 mm (0.016" - 0.018")
Ign. timing
0.5 - 1.0 mm (0.02" - 0.04") before TDC
Carburator
28 mm (1.1")
Carb. Mainjet
0.93 mm (0.037")
DRIVE TRAIN
Transmission
740 g (26 oz) 20W50 or 80W90
Final Drive
140 g (5 oz) 20W50 or 80W90
Clutch
Dry, 2 Plate
Tire size
3.5/3.75 x 19
ELECTRIC
Voltage
M1: 6v, M1M/M1S: 12v
TORQUES
Cyl. Heads
29-33 Nm 21.4-24.4 ft.lbs
Flywheel screws
22-25 Nm 16-18.5 ft.lbs
Cylinder base
38-42 Nm 28-30 ft.lbs
Top shock abs. pinch bolt
21-30 Nm 16-22 ft.lbs
Bottom shock abs. pinch bolt
36-50 Nm 26.5-37 ft.lbs
Bearing nut
30-34 Nm 22-25 ft.lbs
Oil pump bolt
16-18 Nm 12-14 ft.lbs
Engine sump
8-10 Nm 6-7.5 ft.lbs
Final drive case nuts
14-18 Nm 10-13 ft.lbs
Pinion bearing nut
7-9 Nm 5-7 ft.lbs
Reverse gear lever
22-28 Nm 16-21 ft.lbs
Steering head nut
14-16 Nm 10-12 ft.lbs
Conversions
1 Nm = 0.738 ft.lbs, 1 ft.lbs = 1.35 Nm
For other toque settings, consider checking with Chilton's /2 Series BMW Manual published in 1973. It has more complete information, much of which is transferable.
MAINTENANCE SCHEDULE
The motorcycle should be lubricated according to this lubrication table. Standard lubes for the motorcycle are: