89 TransAlp Manual Cooling System 5 3

COOLING SYSTEM

COOLANT REPLACEMENT

Awarning

• The engłne must be cooI before serviclng the coolant replace-ment, or severe scalding may result.

Remove the lower cowling (page 12-3).

Remove the radiator cap (page 5-2).

Drain the coolant from the system by removing the drain bolt on the water pump cover.

Install the drain bolt.

(1) DRAIN BOLT

THERMOSTAT

REMOVAL

Remove the fuel tank Ipage 4-3). Drain the coolant.

Disconnect the switch connectors.

Fili the system with 50/50 mixture of distilled water and ethyl-ene glycol.

Bleed air from the cooling system.

•    Apply side stand and shift the transmission into neutral.

•    Start the engine and snap the throttle grip, 3—4 times at 4,000—5,000 rpm. Then add coolant up to the radiator filier neck.

•    Reinstall the radiator cap.

•    Check the level of coolant in the reserve tank and fili to the correct level if the level is Iow.

Install the lower cowlings (page 12-3).

(1) RADIATOR FILLER NECK

Remove the thermostat housing cover by disconnecting the water hoses and removing the housing cover mounting bolts.

(1) THERMOSTAT HOUSING COVER

(2) BOLTS

(3) WATER HOSES

5-3