Motorcycle engine cooling system BMW K1200LT (1998-2009)

Technical Data of radiator
Technical Data K1200 LT Cooling system capacity: Total capacity, l (Imp. pints/ US quarts) Coolant circuit, l (Imp. pints/ US quarts) Coolant expansion tank, l (Imp. pints/ US quarts) 3.1 (5.46/3.28) 2.5 (4.40/2.64) 0.6 (1.06/0.63) Coolant Use only...

Coolant circuit
Coolant circuit

Removing and installing coolant hoses
Drain coolant. Connecting hose between left and right radiators Remove left and right fairing side sections. Remove connecting hose (1) between left and right radiators. Hoses between radiators and coolant stub pipes Remove appropriate coolant hose...

Checking cooling system for leaks
Remove left and right fairing side sections. See Group 46 . Warning: Comply with safety precautions when handling or working with fuel. Remove fuel tank. See Group 16 . Open the filler cap on the left radiator. Slacken hose clip of vapour outlet...

Removing and installing radiator with fan
Removing and installing left radiator Remove left and right fairing side sections. See Group 46 . Note: Remove projecting nuts from left and right engine spoiler sections to avoid the risk of injury to the hands. Remove centre section of engine...

Removing and installing coolant stub pipe on engine
Drain coolant. See Group 00 . Remove left engine cross-member. See Group 46 . Slacken hose clamps (1, 2) and disconnect hoses (arrows). Remove screws (3) and remove coolant stub pipe complete with sealing ring. Installation is the reverse of the...

Removing and installing thermostat
Drain coolant. See Group 00 . Disconnect coolant hose from thermostat. Remove retaining clip (7). Pry out cover (5) at projection. Remove thermocouple (4). Check O-ring (6) for damage. Installation is the reverse of the removal procedure: pay...

Troubleshooting of radiator
Coolant overheat warning light comes on. Check coolant in expansion tank. Is coolant level too low? → Add coolant. ↓ No Check thermostat. Thermostat does not open. Is the left radiator warmer than the right one, and the coolant pipe to the water...