BMW Motorcycle Vtg Service Instructions Manual R26 R27 R50 R60 R69S /2 Bulletins

Up for sale is a rare, complete 4-page set of vintage typewritten technical instruction sheets for classic shaft-driven BMW motorcycles. These sheets were typical of the era, distributed by regional US distributors (such as Butler & Smith) or enthusiast clubs to guide owners through assembly, fluid maintenance, and precision tuning.What is Included:

• Page 1: \"A Word About Unpacking and Assembling New BMWs\" – Covers step-by-step uncrating, throttle assembly placement, sport-tank handlebar positioning, and taillight wiring color codes (grey, black, red).
• Page 2: \"Fuel and Oil Recommendations\" – Details specific oil capacities (quarts for Twins, pints for R27) and seasonal SAE weight guidelines (10W-30, 30, 40) for the engine, transmission, drive shaft, and rear drive.
• Page 3: \"BMW Tune-Up Instructions (Part 1)\" – Outlines flywheel \"OT\" top dead center alignment, breaker points gapping (0.4mm), magneto positioning, and initial carburetor air pilot screw/needle settings.
• Page 4: \"BMW Tune-Up Instructions (Part 2)\" – Outlines the classic vintage mechanics method for synchronizing twin cylinders at idle and 2000 RPM by shorting out terminals using a screwdriver.

Condition:
The pages are in good, authentic vintage condition. They feature standard period-correct yellowing, minor edge wear, and have been hole-punched for storage in a workshop binder. They are single-sided documents (blank on the back), completely legible, and free of heavy grease stains or tears.