BMW Motorrad G 310 R, Rider'S Manual

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ENGINE
Engine number location Crankcase, lower part, right
Engine type A82A03B
Engine design Water-cooled, 1-cylinder, four-
stroke engine with four valves
that are actuated via rocker
arms, two overhead camshafts
and a counterbalance shaft.
Displacement 313 cc (313 cm 3 )
Cylinder bore 3.1 in (80 mm)
Piston stroke 2.4 in (62.1 mm)
Compression ratio 10.9:1
Nominal capacity 34 hp (25 kW), At rotational
speed: 9250 min -1
Torque 21 lb/ft (28 Nm), At rotational
speed: 7250 min
-1
Maximum engine speed max 10800 min
-1
Idle speed 1600 ±100 min -1 , Engine at op-
erating temperature
CLUTCH
Clutch design Multi-disk wet clutch
Clutch lever play 0.04...0.08 in (1...2 mm), at the
handlebar lever, handlebars
are in straight-ahead position,
engine is cold