Suzuki AN400 Service Manual page 39

Engine Coolant Change
1) Remove the front panel. Refer to "Front Panel
Removal and Installation in Section 9D (Page9D-
14)".
2) Remove the under cover. Refer to "Under Cover
Removal and Installation in Section 9D (Page9D-
16)".
WARNING
!
Do not open the radiator cap when the engine
is hot, as you may be injured by escaping hot
liquid or vapor. Engine coolant may be
harmful if swallowed or if it comes in contact
with skin or eyes. If engine coolant gets into
the eyes or in contact with the skin, flush
thoroughly with plenty of water. If swallowed,
induce vomiting and call physician
immediately.
3) Remove the radiator cap (1).
4) Drain engine coolant by disconnecting the radiator
outlet hose (2).
5) Flush the radiator with fresh water if necessary.
6) Reconnect the radiator outlet hose.
7) Pour the specified engine coolant up to the radiator
inlet.
8) Bleed air from the cooling circuit.
1
I705H1020024-02
2
I705H1020026-01
Maintenance and Lubrication:
Air Bleeding From the Cooling Circuit
Bleed air from the cooling circuit in the following
procedures:
1) Remove the front panel. Refer to "Front Panel
Removal and Installation in Section 9D (Page9D-
14)".
2) Remove the left footboard. Refer to "Footboard
Removal and Installation in Section 9D (Page9D-
21)".
3) Support the motorcycle upright.
4) Pour engine coolant up to the radiator inlet.
5) Slowly swing the motorcycle, right and left, to bleed
the air trapped in the cooling circuit.
6) Add engine coolant up to the radiator inlet.
7) Start up the engine and bleed air from the radiator
inlet completely.
8) Add engine coolant up to the radiator inlet.
9) Repeat the above procedures until no air bleeds
from the radiator inlet.
10) Loosen the air bleeding bolt (1) and check that the
engine coolant flows out.
1
0B-12
B705H10206032
I705H1020027-01
I705H1020028-02