BMW R 26 and R 27 repair manual workshop manual assembly instructions

Repair manual for the BMW R 26 and R 27 motorcycles, available in German, English, French and Spanish.

Contents in German, English, French and Spanish:
- Technical data
- Dimensions and fits
- Special tool
* Matra tool
* Self-manufacturing tools
D - Disassembly and assembly of the drive unit
D 1- Removing and installing the rear wheel
D 2 - Removing and installing rear wheel drive
D 3 - Gearbox removal and installation (rear wheel drive removed)
D 4 - Removing and installing the motor (gear removed)
D 5 - Removing and installing the engine transmission block

M - Motor (without disassembly)
M 1 - cylinder head disassembly, repair and reassembly
* 1. cylinder head disassembly and assembly
* 2. remove and install valves including testing
* 3. replace valve guide
* 4. replace valve seats
* 5. regrind valve seat
M 2 - Disassemble and reassemble cylinder and piston, measure and repair
* 1. remove and install cylinder and piston
* 2. remove and install valves
M 3
- Remove and install alternator and centrifugal governor (engine R27 removed)
- Dismantling and reassembling the ignition alternator (engine R 26 removed)
M 4
- Remove and install control shaft with drive (motor R27 removed)
- Remove and install control shaft with drive (motor R26 removed)
M 5 - Remove and install coupling (motor removed)
M 6 - Remove and install flywheel (motor in mounting stand)
M 7 - Remove and install oil pan and oil pump
M 8 - Remove and install crankshaft and connecting rod
M 9 - Adjusting the valves
M 10
- Adjust ignition (engine R 27)
- Adjust ignition (engine R 26)
M 11 - Clean carburetor and intake filter, set the idle running

G - Disassemble, repair and reassemble the gearbox (gearbox removed)
G 1 - Remove and attach driving flange to cardan shaft drive
G 2 - Removing and installing gear shafts
G 3 - Removing and installing the foot control
G 4 - Disassemble and reassemble drive shaft
G 5 - Disassemble and reassemble drive shaft
G 6 - Kick starter off and on
G 7 - Remove and install speedometer drive
G 8 - Remove and install no-load contact

H - Disassemble, repair and reassemble
rear wheel drive (rear wheel drive removed)

H 1 - Remove and install cardan shaft and swing arm from drive
H 2 - Disassembling, repairing and assembling rear wheel drives

B - Brakes and wheels
B 1 - Remove and install impeller bearings, re-grease
B 2 - Replace brake lining
B 3 - Wheels single spoke

L - Steering (impeller removed)
L 1 - Removing and installing shock absorbers
L 2 - Remove and install front swing arm (wheel and shock absorber removed)
L 3 - Front fork removal and installation

E - Electrical system
- Description
- Maintenance
- Faults and their detection and elimination
- Circuit diagram R 27
- Circuit diagram R 26

- Subsequent connection of the BMW standard sidecar