KTM RC 390 User Manual

16 COOLING SYSTEM 138
16.1 Cooling system
L02259-10
Water pump

in the engine circulates the coolant.
The pressure resulting from the warming of the cooling system is regulated by a valve in
radiator cap

. Heat expansion causes excess coolant to flow into compensating tank

.
When the temperature falls, this surplus coolant is sucked back into the cooling system.
This ensures that operating the vehicle at the specified coolant temperature will not result
in a risk of malfunctions.
125 °C (257 °F)

KTM RC 390 Specifications

General

Displacement	373.2 cc
Max Torque	37 Nm @ 7000 rpm
Transmission	6-speed
Cooling System	Liquid Cooled
Front Suspension	WP APEX 43
Rear Suspension	WP APEX Monoshock
Rear Brake	230 mm disc, single-piston floating caliper
Fuel Tank Capacity	13.7 liters
Seat Height	824 mm
Bore x Stroke	89 mm x 60 mm
Compression Ratio	12.6:1
Frame	Steel Trellis Frame, Powder Coated
Engine Type	Single-cylinder, 4-stroke
Max Power	43.5 PS @ 9000 rpm
Fuel System	Electronic Fuel Injection
Front Brake	320 mm disc, 4-piston radial caliper
ABS	Dual Channel ABS
Dry Weight	172 kg
Front Tire	110/70 R17
Rear Tire	150/60 R17
Ground Clearance	158 mm