Checking idle speed, synchronising and CO value and adjusting if nec- essary e Caution: The throttle butterfly adjusting screws (2) are sealed with lacquer and must not be turned. Inspections I, II, III, IV L Note: The basic settings (ignition, valve clearance) must be correct. • Adjust synchronisation at idle speed by turning the air control screws (3) until the bars/curves are at the same height, then adjust idle speed. Idle speed........................................... 950 ± 50 rpm Adjusting idle speed • Remove knee pad. • Remove left side section of fairing. 3 2 1 LT000280 • Remove caps (1) at the vacuum connections. • Connect hoses of the synchrotester, BMW No.
13 0 800, in the specified order (note markings 1 - 4 on tester housing). • Connect tester to motocycle’s power socket with the corresponding adapter lead. • Start engine and allow to run for app.10 minutes if not already warm. e Caution: Max. idling time at a standstill = 20 minutes. • Run the engine at idle speed. • Select “bar diagram” display with maximum resolution. L Note: If the differences between the individual bars (col- umns) is very large (more than 2 - 5 mm) switch over to curve display and compare the individual cylin- ders with each other; perform defect diagnosis if necessary. • Rectify defects. 00.25