KTM 450 EXC-R USA Motorcycle User Manual


 
MAINTENANCE WORK ON CHASSIS AND ENGINE 73
400335-11
Stand the vehicle upright.
Place a suitable container under the water pump cover.
Remove screwb
. Remove the radiator capb.
Completely drain the coolant.
Fit screwb
with a new seal and tighten it.
Specification
Screw, water pump cover M6x25 10bNm (7.4blbfbft)
Refilling coolantbx
Warning
Danger of poisoningCoolants are poisonous and a health hazard.
Avoid contact between coolants and skin, eyes and clothing. If fuel gets into your eyes, rinse immediately with water and
contact a doctor. Wash affected skin areas immediately with soap and water. If coolant is swallowed, contact a doctor im-
mediately. Change clothes that have come into contact with coolants. Keep coolants out of the reach of children.
400244-10
Make sure that the screwbis tightened.
Stand the vehicle upright.
Pour coolant in up to measurementb
above the radiator fins.
Specification
10bmm (0.39bin)
Coolant 0.95bl(1bqt.) Coolant ( P. 114)
Coolant (mixed ready to use)
( P. 114)
Refit the radiator cap.
Make a short test ride.
Check the coolant level. ( P. 72)
Glass fiber yarn filling of main silencer
The main silencer is filled with glass fiber yarn.
Over a period, the fibers of the insulating material vanish into the air, and the silencer "burns out".
Not only is the noise level higher, the performance characteristic changes.
Removing main silencer
Warning
Danger of burnsThe exhaust system gets very hot when the vehicle is driven.
Allow the exhaust system to cool down. Do not touch hot components.
400337-10
Disconnect springb.
Remove screwsb
and take off main silencer.