BMW — Tightening torque 

00.5 Model R 1150 R Connection 12 Engine electrics Starter motor to engine Nm 20 Starter cover to gearbox housing Nm 7 Positive lead to starter motor Nm 10 Alternator to alternator support cover Nm 20 Tensioning and retaining link to alternator Nm 21 Spacer to alternator Nm 21 Positive lead to alternator Nm 15 Belt pulley to alternator Nm 50 Belt pulley to crankshaft Nm 50 Poly-V belt preload Nm 8 Spark plug NGK BKR 7 EKC Nm 25 Model R 1150 R Connection 13 Fuel preparation and control Temperature sensor, oil, in crankcase Nm 25 Temperature sensor, air, in air-filter housing Nm 10 Model R 1150 R Connection 16 Fuel tank and lines Fuel tank to rear frame Nm 22 Fuel pump assembly to tank Nm 5