Replacing The Brake Light And Tail Light Bulb; Cooling System - KTM 400LC4 Owner's Handbook Manual

24
3
Exchanging the brake light and tail light bulb
– Remove the cap
1
– Turn the lamp socket
out of the tail light housing.
– Slightly depress the bulb, turn it approx. 30° counterclockwise and pull it
2
out of the socket.
– To mount the lamp reverse the worksteps indicated above.

Cooling system

Coolant is circulated by a water pump located in the engine. When the
engine is cold the cooling liquid circulates only through the cylinder and the
cylinder head. After the engine has reached its operating temperature
(about 70°C, 158°F), the thermostat opens and the cooling liquid is also
pumped through both aluminum radiators.
Air blowing in through the radiators cools the cooling liquid. The slower the
speed of the motorcycle, the less the cooling liquid is cooled down. Dirty
radiator fins also reduce the cooling efficiency.
If little or no air blows through the radiators, for example when riding
through slow traffic or waiting at traffic lights, the coolant temperature will
rise. If the coolant temperature rises to 85° C ((185°F), the fan
left radiator will switch on. This fan will provide additional air circulation
through the radiator thereby preventing the cooling system from
overheating.
I
F THE RED COOLING LIQUID TEMPERATURE WARNING LAMP
MOST LIKELY BE DUE TO A DEFECT IN THE COOLING SYSTEM
DIATELY AND TURN OFF THE ENGINE
COOLING SYSTEM FOR LEAKS
CAUTION - SCALDING HAZARD! D
LIQUID IN THE COOLING SYSTEM
4
I
F POSSIBLE
HAVE TO OPEN THE RADIATOR CAP WHEN ENGINE IS HOT
AND OPEN SLOWLY TO RELEASE PRESSURE
A mixture of 40% antifreezer and 60% water is used as cooling liquid.
How-ever, the anti-freeze protection must be at least -25° C (-13° F). Aside
from antifreezing protection, this mixture also provides great corrosion
protection which is why it must not be replaced by pure water.
5
F
OR THE COOLING SYSTEM
C ). U
OOLANT
COOLANT FOAMING
Pressure induced by heating of the cooling liquid in the cooling system is
controlled by a valve in the radiator cap
120° C (248° F) is admissible, without fear of problems.
1
on the underside of the license plate retainer.
2 approximately 30° counterclockwise and pull it
CAUTION
!
. L
ET THE ENGINE COOL DOWN AND CHECK THE
. A
LSO CHECK IF THERE IS ENOUGH COOLING LIQUID
O NOT DRIVE ON
.
WARNING
,
ALWAYS CHECK LEVEL OF COOLING LIQUID WHEN ENGINE IS COLD
.
! CAUTION
,
USE ONLY HIGH
SING LOWERGRADE ANTIFREEZE AGENTS
.
3
!
4
,
LIGHTS UP THIS WILL
. I ,
N THIS CASE STOP IMME
,
UNTIL THERE IS SUFFICIENT
. I
,
USE A RAG TO COVER THE CAP
!
- (S A
GRADE ANTIFREEZER HELL DVANCE
,
CAN CAUSE CORROSION AND
5 ; a water temperature rising up to
on the
-
.
F YOU