The most important facts and changes at the BMW R 75
From the book "
The Wehrmachtsgespann BMW R75
-
documents, drawings
and photos.
English/German version
From chassis no.
Date
1937 and
1938
Construction of the heavy weight bike.
1941
Final development to productional stage
from Febr. 1941
Delivery of the first BMW R75
750 001 July 1941
Edition of the first manual R 75, D605/5
27.06.41
Leading brake cable of the front brake
is omitted
750 100
Tuning of the front brake is changed
750 101
Opening to fill in the oil is transferred
from the housing to the
intermediate housing
751 592
Camshaft is changed
750 601
Shift fork of the lock is reinforced
751 301
Brake pedal is reinforced
751 301
Shifting segment spring is reinforced
752 350
Gear shift sleeve is reinforced
08.41
The toe in is changed (0 up to 10 mm)
25.08.41
Edition of the first spare parts list
(without D No.)
12.41
1942
Step-up of the of the differential
crown wheel is changed from 12:31
to 12:33 754 056
The hardening of the push rods is improved 754
263
Sealing of the rocker arm brackets
is changed
754 263
Edition of the second manual and spare
parts list
06.02.42
Delivery of
the bike with the no.
754 526
31.03.42
Manual shift segment with fixed distance
bush
754 541
The bearing cap for camshaft is changed
755 000
The magneto cogged wheel is reduced
from 15 to 14 mm 755 000
Foot change control reinforced
755 040
Bearing cap of the rear camshaft improved
now with 8 mm bolts
04.42
Edition of the first repair manual
for R 75
01.05.42
Lubricating instructions changed
01.05.42
Carburetor adjustment changed
01.05.42
Steering adjusted
01.05.42
Gear shift spindle now with continuous groove
01.05.42
Bigger metal heat guards for carburetor
01.05.42
Rocker arm changed from needle bearing
to metal groove .
01.05.42
Until now only Veigel- from now on
also VDO speedometer (tropical version)
01.05.42
Saddle spring wire thickness changed
to a softer version
01.05.42
The last R75
is produced in Munich chassis-no.
756 000
13.06.42
Cylinder guard is fitted in front of
the left cylinder
756 001
06.42
The second repair manual is published
19.06.42
The front and rear bolts are elongated
06.42
The first
200 R75's are delivered from Eisenach
756 001 -756 200 07.42
Brake light and sidecar rear light
are omitted
756 522
Transmission air filter is replaced
by fuel air filter
757 201
Transmission ventilation is adjusted
757 201
Ignition plugs heat value is changed
from 225 to 175
The detent nozzle spring of the of
the starter is reinforced
Pressure-proof oil sealing rings are
fitted in the telefork
Front fork ventilation changed
757 250
Wrecking hook omitted
758 001
Heating unit omitted
758 001
Inscription
on the mudguard with axle pressure and dimensions 758 001
11.09.42
Front kick stand changed 758
356
Front mudguard changed 758
600
Leather saddle bags are replaced by
metal ones
09.42
Oil change interval is lengthened
22.09.42
Second edition of the manual
22.09.42
Edition of -loose leaves technical
data BMW-
22.09.42
Outlet and inlet valves now in different
materials
23.11.42
Second edition of the spare parts list
(Edition B)
23.11.42
The last BMW
R75 produced in 1942
759 007
31.12.42
Leaf spring holder now welded at the
sidecar
759 050
Retainer screw for battery changed
759 580
Left pillion foot rest put higher
760 704
Front number plate is omitted
760 800
Right pillion foot rest put lower
761 001
Back mudguard made narrower
761 250
Brake anchor plate of the sidecar drive
now in cast steel
761 504
Valve cover of steel sheet
761 851
Telefork now with rubber bellows
762 260
Control arm housing of cast steel
762 337
Connection cover rear axle drive now
in cast steel
762 337
1943
Clutch springs reinforced
25.01.43
Engine fan filter changed
10.02.43
Delivery of
the BMW R75
765 281
01.10.43
Second edition of the repair manual
03.11.43
Edition of a comparative list of the
same parts for KS 750 and R 75
11.43
Short edition of -Repair of transmission
-
01.12.43
1944
Delivery of
the BMW R75
767 635
31.03.44
Air raid on the factory. Time: 12.00
o'clock 10 hits of which 2 direct hits 20.07.44
Air raid on the factory. Time: 12.00
o'clock 65 hit of which 11 direct
hits
11.09.44
Air raid on the factory. Time: 13.00
o'clock 5 hit of which
0 direct hits
13.09.44
News form
of the factory in Eisenach that production has ceased
18.10.44
1945
Air raid on the factory. Time: 12.30
o'clock 8 hits of which 0 direct
hits
09.02.45
American troops occupy the factory.
60% of it is destroyed.
06.04.45
Russian troops occupy the factory (Russian Zone)
03.07.45
The BMW factory in Eisenach is confiscated
from the County of Thüringen .
07.09.45
Command no. 93 from Marshal Schukow
orders the start up of production
13.10.45
1946
First reparation
delivery of 8 BMW R75 to Russia
770 000
01.46
Last BMW R75 is produced out of the
remaining parts and delivered to Russia. June 1946
In total another 98 R75's were produced
in 1946.
770 097
Production of 10 Sets spare parts for
overhauling of each of 150 BMW R75.
Sep. 1946
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