This is a maintenance manual for BMW R850, R1100, R1150, R1200 motorcycles
This manual provides maintenance procedures for BMW Oilhead motorcycles, specifically models R850, R1100, R1150, and R1200. It is divided into three main sections: basic maintenance schedules and procedures, detailed technical instructions by various authors, and advanced tuning tips. The document emphasizes consulting multiple sources, including official BMW manuals, for safety and accuracy.
| Valve Clearance Intake | .006in. (.15mm) |
|---|---|
| Valve Clearance Exhaust | .012in. (.30mm) |
| Alternator Belt Tension Deflection | ~1/4" |
| Alternator Belt Tension Twist | ~90 degrees |
| Alternator Adjuster Bolt Torque | 5.9 ft.lb. (8 Nm) |
| Alternator Mounting Bolt Torque | 15 ft.lb. (20 Nm) |
The intake valve clearance should be .006 inches (.15mm) and the exhaust valve clearance should be .012 inches (.30mm).
Current recommendations specify replacement every 36,000 miles, though some R1100 models require it at 24,000 miles.