BMW R 60/6 / R 75/6 / R 90/6 Service Manual | Archive
Addresses crankshaft, connecting rod, and piston systems with main bearing journals, valve clearances, and ignition timing procedures. Includes factory tightening torques in mkp and ft/lb measurements.
Manual Preview
Sample pages from the BMW R 60/6 / R 75/6 / R 90/6 Service Manual | Archive manual
Purchase & Download
BMW Models Covered & Key Technical Specifications
Models: BMW R 60/6, R 75/6, R 90/6, R 90 S
Sub-models / Variants: 5-speed gearbox, Bing slide-type carburetor, constant depression carburetor, Dellorto slide-type carburetor
Build Years: 1970s (specific production years covered by the /6 series)
Technical Data:
- Engine configuration: 4-stroke horizontally opposed 2-cylinder
- Engine displacement: 595 cc (R 60/6), 740 cc (R 75/6), 892–898 cc (R 90/6 and R 90 S)
- Compression ratio: 9.0:1 – 9.5:1
- Rated power: 40–75 DIN HP at 6200–7200 rpm
- Lubrication system: Force feed circulation, Eaton-type oil pump
- Transmission type: 5-speed manual, dog clutch
- Final drive system: Shaft drive via right-hand swing arm tube
- Starter: Bosch DF 12 V 0.5 HP
- Ignition timing: 9° BTDC static
BMW Manual Features & Content Preview
Technical Scope and Specifications for the BMW R 60/6, R 75/6, R 90/6, and R 90 S
- Covers 1970s BMW R 60/6, R 75/6, R 90/6, and R 90 S motorcycles equipped with the /6 series boxer engines
- Official BMW publication featuring technical factory data, torque specifications, and service sequences
- Contains 47 detailed technical data tables for engine, electrical, and fuel systems, plus 8 exploded-view-style assembly references
- File resolution maintains clear visibility for all part identification, clearances, and tolerances
- Your order stays downloadable from your account for life
- No shipping wait — the PDF is available immediately after purchase
- Laid out for standard letter and A4 printing
- This 186-page manual is the foundational reference used for the /6 series Boxer engine overhauls, including specific setup for the R 90 S high-performance variant
Engine and Fuel System Documentation
The 186-page factory publication provides comprehensive data on the maintenance and assembly of the horizontally opposed 2-cylinder Boxer engines. The document covers the full range of /6 displacements, starting from the 595 cc R 60/6 through the 898 cc R 90 S. Key chapters detail the engine dismantling and reassembly, including specific tolerances for crankshaft main bearing journals, connecting rod clearance, and piston ring sizing. Further sections outline the fuel system, listing carburetor settings for the various Bing and Dellorto setups used across the model range.
Specification Highlights
The manual includes extensive torque tables for all critical engine fasteners, specifying required values in both mkp and ft-lbs. Cylinder head bolt torque values are documented in a multi-stage sequence, ensuring proper seating for the overhead valve configuration. The electrical section details the Bosch alternator and starter system, providing resistance values for coils and diode testing parameters. Valve clearance for the intake is listed at 0.15 mm in the cylinder head specification table. Engine oil capacity for the system is documented at 2.0 liters without a filter change. The R 90 S starter output is listed as 0.5 HP in the electrical reference section. This official 186-page factory manual provides the foundational technical specifications for the BMW R 60/6, R 75/6, R 90/6, and R 90 S engine, chassis, and electrical service requirements.
Document Reference: BMW N 600 02.0 / BMW N 113 49.0
Manual FAQ, Purchase & Download Details
Customer Reviews
Read what our customers say about this BMW Motorcycle manual and share your own experience.