BMW k 1200 rs User Manual

11.24
Assembling pistons
•
Install piston rings, using piston-ring pliers.
L Note:
The “Top” inscription is uppermost or according to
the installed position previously noted.
1st groove: rectangular-section ring.
2nd groove: micro-chamfer ring; note pin for ring gap.
3rd groove: U-Flex ring with spring.
L Note:
The gap in the spring must be offset 180° in relation
to the Flex ring gap.
Checking cylinder dimensions
•
Set the internal micrometer to the nominal cylin-
der bore diameter.
•
Measure the cylinder bore at three heights and in
a crosswise pattern: in the direction of forward
travel and at a right angle to it.
Checking that conrod bores are parallel
•
The difference over the reference length “P”
must not exceed 0.06 mm (0.0024 in).
Reference length “P”................ 150 mm (5.9055 in)
KR110371
1
2
3
KR110380
P
P
150
0,06
KR110400

BMW k 1200 rs Specifications

General

Displacement	1171 cc
Bore x Stroke	70.5 mm x 75 mm
Compression Ratio	11.5:1
Transmission	6-speed
Final Drive	Shaft drive
Engine Type	Liquid-cooled, 4-stroke in-line four-cylinder
Power	96 kW (130 hp) @ 8750 rpm
Torque	115 Nm (11.7 mkg) @ 6750 rpm
Front Suspension	Telelever
Rear Suspension	Paralever
Front Brakes	Dual 320 mm discs, 4-piston calipers
Rear Brakes	Single 285 mm disc, 2-piston caliper
Seat Height	790 mm