the rear when the measuring device is positioned under the corner of the swinging arm. If the coloured mark is no longer visible, vertical ru- nout of the belt pulley must be measured before belt tension can be checked ( a 33.15). • Suspend weight, BMW No. 27 0 502 , from the measuring device. • Mount measuring device, BMW No. 27 0 501 , on the toothed belt and turn it until it is under the corner (arrow) of the swinging arm. • Lock the rear wheel. 00.56 Checking belt tension, adjusting if necessary (Inspections I, II and III) Checking belt tension – Place the motorcycle without load on the auxilia- ry stand, BMW No. 00 1 620. e Attention: Check belt tension at room temperature only.
K14000540 • Align the scale of the measuring device flush with 1 the bottom edge of the belt cover (arrow). 27 0 501 K14000530 27 0 502 e Attention: Coloured mark on belt pulley (1) must point toward K14000550 K14000540 K14000540 27 0 502 K14000550 K14000550 27 0 502