BMW Boxer Data R1100RT / R1100RS / R1100GS / R1100R / R850R
Unit or Designation Data Spec.
Engine (incl. filter) 4 qt
Engine (w/out filter) 3.7 qt.
Gearbox fresh fill 1.1 qt. change 0.85 qt.
Rear wheel drive fresh fill 0.26 qt. change 0.25 qt.
Valve clearance measured cold, max. 35-deg C.
Intake 0.006 in.
Exhaust 0.012 in.

Spark plugs
Bosch FR5DTC electrode gap 0.032 in. limit of wear 0.04 in.
Engine Idle Speed 1000 +/- 150 rpm
CO value without catalytic converter 1.5 +/- 0.5 Vol %
Cable adjustment - for increased cold starting speed without cable junction < 0.04 in. play with cable junction no backlash
Throttle (without cable junction) gas cable (one piece) ca. 0.02 in. play connecting cable no backlash
Throttle (with cable junction) gas cable (one piece) ca. 0.02 in. play junction cable no backlash
Clutch cable adjustment at lever 0.28 in. wire cable at handle bar lever 0.48 in.BMW Boxer Data Metric
R1100RT / R1100RS / R1100GS / R1100R / R850R
Unit or Designation Data Spec.
Engine (incl. filter) 3.75 liter
Engine (w/out filter) 3.5 liter
Gearbox fresh fill 1.0 liter change 0.8 liter
Rear wheel drive (Differential) fresh fill 0.25 liter change 0.23 liter
Valve clearance measured cold, max. 35-deg C.
Intake 0.15 mm
Exhaust 0.30 mm
Spark plugs
Bosch FR5DTC electrode gap 0.8 mm limit of wear 1.0 mm
Engine Idle Speed 1000 +/- 150 rpm
CO value without catalytic converter 1.5 +/- 0.5 Vol %
Cable adjustment - for increased cold starting speed without cable junction < 1 mm play with cable junction no backlash
Throttle (without cable junction) gas cable (one piece) ca. 0.5 mm play connecting cable no backlash
Throttle (with cable junction) gas cable (one piece) ca. 0.5 mm play junction cable no backlash
Clutch cable adjustment at lever 7.0 mm wire cable at handle bar lever 12.0 mm...

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