Installing Camshafts; Installing Timing Chain - BMW K 1200 LT 1999 Repair Manual

Installing camshafts

Identification marks, camshafts
Inlet ................. 2 grooves behind the thrust bearing
Exhaust .............1 groove behind the thrust bearing
Identification marks, camshaft bearing caps
Inlet side ............................................odd numbers
Exhaust side..................................... even numbers
Consecutive numerical order from front (timing end)
to rear.
e
Caution:
Centre the pistons in the cylinders (cylinder 1 ap-
prox. 90° before top dead centre) to avoid damaging
the valves and pistons.
•
Oil the camshaft bearing journals.
•
Insert the camshafts so that the tips of the cams
are clear.
•
Install the inner bearing caps first.
•
Install the thrust bearing (timing end) with slide
rail last and do not tighten it until the chain sprok-
kets have been installed.
•
Tighten the bearing caps uniformly, working from
the inside outwards.
X
Tightening torque:
Bearing cap.................................................. 10 Nm

Installing timing chain

•
Turn the camshafts until the grooves at the ti-
ming end (arrows) point toward the crankshaft.
•
Place aligning device, BMW No. 11 3 700, in
position and secure it to the camshaft bearing
caps.
•
Turn the crankshaft another 90° in the normal di-
rection of rotation. The piston of cylinder 1 must
now be at top dead centre. The pin (1) on the
crankshaft is aligned with the mark (arrow) on the
crankcase.
2
KL110100
•
Place the timing chain in guide rail (2).
•
Insert bushing (arrow) between slots of guide rail.
11 3 700
KL110120
1
kL110110
KR110800
11.45