BMW
MOTORRAD
BMW R1250 GSAdventure
K51/11
(0J51/0J53/0J50/0J54)
Repair Guide
BMW Motorrad
, General Information
Repair Guide
BMW Motorrad
,BMW-Motorrad - R 1250 GS Adventure
Technical data - R 1250 GS Adventure
Equipment trim-level variant:
0770 - China exportNV
0703 - Power reductionOE
0739 - Brazil exportNV
11 - Engine
Designation Precondition Value Valid
Engine design Air/liquid-cooled, two-cylinder four-
stroke opposed-twin engine with two
overlying, spur-gear-driven
camshafts, a counterbalance shaft
and BMW ShiftCam variable intake
camshaft control
Guide value for carbon monoxide at engine speed 1050 max 0.00 %
concentration (CO) in exhaust gas +100
min-1
−100
Running-in speeds Odometer <5000 min-1
reading 0...1000 km
Odometer No full load
reading 0...1000 km
Guide value for concentration of at engine speed 1050 max 1.19 ppm
hydrocarbons (HC) in exhaust gas +100
min-1
−100
Maximum engine speed max 9000 min-1
Displacement 1254 cm3
Piston stroke 76 mm
Compression test pressure Good min 14 bar
Normal 10...14 bar
Poor <10 bar
Idle speed Engine at regular 1050 min-1
operating temperature
Torque at engine 140 Nm
– with power reductionOE (0703)
speed 5000 min-1
at engine 143 Nm
– with China exportNV (0770)
speed 6250 min-1
Press loss Engine at regular max 25 %
through valves or cylinder operating temperature
Engine type A74B12M
Nominal capacity at engine 79 kW
speed 7750 min-1
at engine 100 kW
speed 7750 min-1
Engine number location Crankcase, bottom right, below
starter motor
Compression ratio 12.5:1
Maximum noise limit for tests Measured with vehicle at max 91.20 dB (A)
a standstill, at a distance
of 0.5 m from the
exhaust system in the
sense of standard NBR-
9714, at engine
rpm 3875 min-1
Cylinder bore 102.5 mm
Engine oil, capacity with filter change approx. 4 l
052021 BMW Motorrad, UX-VA-4 1/5
,BMW-Motorrad - R 1250 GS Adventure
Engine oil, capacity with filter change max 4 l
Specification (SAE 5W-40, API SL / JASO MA2, Additives (e.g. molybdenum-based) are
not permissible because they can attack coated components of the engine,
BMW Motorrad recommends BMW Motorrad ADVANTEC Ultimate oil.)
Engine oil, specified level between MIN and MAX mark
Engine oil, quantity for topping up Difference between MIN max 0.8 l
and MAX
11 11 - Engine block
Total wear clearance between piston max 0.08 mm
and cylinder
Permitted out-of-roundness of from top edge 20 mm max 0.010 mm
cylinder bore from top edge 100 mm max 0.015 mm
Cylinder bore When new 102.500+0.005 mm
−0.005
Wear limit max 102.530 mm
11 12 - Cylinder head with cover
Inside diameter of valve guide 5.500...5.507 mm
Wear limit, tilt clearance, valve to at valve lift 10+0.1 mm max 0.40 mm
valve guide −0.1
11 21 - Crankshaft with bearings
Radial play of crankshaft guide 0.041+0.016 mm
bearing −0.016
Colour codes of crankshaft bearing Crankcase yellow Bearing shells yellow
shells Crankcase green Bearing shells, green
Crankcase violet Bearing shells violet
Crankshaft yellow Bearing shells yellow
Crankshaft green Bearing shells, green
Crankshaft violet Bearing shells violet
Radial play of crankshaft main When new 0.041+0.016 mm
bearing −0.016
Wear limit max 0.080 mm
Endplay of crankshaft When new 0.075...0.259 mm
Wear limit max 0.30 mm
ID marks of crankshaft baring Colour mark on outside yellow/green/violet
Mark for classification of the A: Mark/colour point Y (yellow) / G (green) / V (violet)
crankshaft bearings near oil pump
to identify the bearing shells in the left in direction of travel, Guide bearing, front (three parts)
crankcase front
in direction of travel, rear Main bearing, rear (single part)
Marks on crankshaft A front: Identification for Yellow/green/violet dots
to identify the bearing shells in the right guide bearing
right crankcase / the connecting rod (three parts)
bearing shells B inside: near blue/red dots
corresponding
crankshaft journals:
identification for
connecting rod bearing
Yellow/green/violet dots
052021
BMW Motorrad, UX-VA-4 2/5
MOTORRAD
BMW R1250 GSAdventure
K51/11
(0J51/0J53/0J50/0J54)
Repair Guide
BMW Motorrad
, General Information
Repair Guide
BMW Motorrad
,BMW-Motorrad - R 1250 GS Adventure
Technical data - R 1250 GS Adventure
Equipment trim-level variant:
0770 - China exportNV
0703 - Power reductionOE
0739 - Brazil exportNV
11 - Engine
Designation Precondition Value Valid
Engine design Air/liquid-cooled, two-cylinder four-
stroke opposed-twin engine with two
overlying, spur-gear-driven
camshafts, a counterbalance shaft
and BMW ShiftCam variable intake
camshaft control
Guide value for carbon monoxide at engine speed 1050 max 0.00 %
concentration (CO) in exhaust gas +100
min-1
−100
Running-in speeds Odometer <5000 min-1
reading 0...1000 km
Odometer No full load
reading 0...1000 km
Guide value for concentration of at engine speed 1050 max 1.19 ppm
hydrocarbons (HC) in exhaust gas +100
min-1
−100
Maximum engine speed max 9000 min-1
Displacement 1254 cm3
Piston stroke 76 mm
Compression test pressure Good min 14 bar
Normal 10...14 bar
Poor <10 bar
Idle speed Engine at regular 1050 min-1
operating temperature
Torque at engine 140 Nm
– with power reductionOE (0703)
speed 5000 min-1
at engine 143 Nm
– with China exportNV (0770)
speed 6250 min-1
Press loss Engine at regular max 25 %
through valves or cylinder operating temperature
Engine type A74B12M
Nominal capacity at engine 79 kW
speed 7750 min-1
at engine 100 kW
speed 7750 min-1
Engine number location Crankcase, bottom right, below
starter motor
Compression ratio 12.5:1
Maximum noise limit for tests Measured with vehicle at max 91.20 dB (A)
a standstill, at a distance
of 0.5 m from the
exhaust system in the
sense of standard NBR-
9714, at engine
rpm 3875 min-1
Cylinder bore 102.5 mm
Engine oil, capacity with filter change approx. 4 l
052021 BMW Motorrad, UX-VA-4 1/5
,BMW-Motorrad - R 1250 GS Adventure
Engine oil, capacity with filter change max 4 l
Specification (SAE 5W-40, API SL / JASO MA2, Additives (e.g. molybdenum-based) are
not permissible because they can attack coated components of the engine,
BMW Motorrad recommends BMW Motorrad ADVANTEC Ultimate oil.)
Engine oil, specified level between MIN and MAX mark
Engine oil, quantity for topping up Difference between MIN max 0.8 l
and MAX
11 11 - Engine block
Total wear clearance between piston max 0.08 mm
and cylinder
Permitted out-of-roundness of from top edge 20 mm max 0.010 mm
cylinder bore from top edge 100 mm max 0.015 mm
Cylinder bore When new 102.500+0.005 mm
−0.005
Wear limit max 102.530 mm
11 12 - Cylinder head with cover
Inside diameter of valve guide 5.500...5.507 mm
Wear limit, tilt clearance, valve to at valve lift 10+0.1 mm max 0.40 mm
valve guide −0.1
11 21 - Crankshaft with bearings
Radial play of crankshaft guide 0.041+0.016 mm
bearing −0.016
Colour codes of crankshaft bearing Crankcase yellow Bearing shells yellow
shells Crankcase green Bearing shells, green
Crankcase violet Bearing shells violet
Crankshaft yellow Bearing shells yellow
Crankshaft green Bearing shells, green
Crankshaft violet Bearing shells violet
Radial play of crankshaft main When new 0.041+0.016 mm
bearing −0.016
Wear limit max 0.080 mm
Endplay of crankshaft When new 0.075...0.259 mm
Wear limit max 0.30 mm
ID marks of crankshaft baring Colour mark on outside yellow/green/violet
Mark for classification of the A: Mark/colour point Y (yellow) / G (green) / V (violet)
crankshaft bearings near oil pump
to identify the bearing shells in the left in direction of travel, Guide bearing, front (three parts)
crankcase front
in direction of travel, rear Main bearing, rear (single part)
Marks on crankshaft A front: Identification for Yellow/green/violet dots
to identify the bearing shells in the right guide bearing
right crankcase / the connecting rod (three parts)
bearing shells B inside: near blue/red dots
corresponding
crankshaft journals:
identification for
connecting rod bearing
Yellow/green/violet dots
052021
BMW Motorrad, UX-VA-4 2/5
