KTM RC 390 User Manual

16 COOLING SYSTEM 146
L02265-10
–
Release bleeder screw

by three turns.
– Tilt the vehicle slightly to the right.
– Pour in coolant until it emerges without bubbles at the bleeder screw, and then mount
and tighten the bleeder screw immediately.
Coolant ( p. 185)
– Fill the radiator completely with coolant. Mount the radiator cap.
– Rest the vehicle on the side stand.
Danger
Danger of poisoning Exhaust gases are toxic and inhaling them may result in
unconsciousness and/or death.
– When running the engine, always make sure there is sufficient ventilation,
and do not start or run the engine in an enclosed space without an effective
exhaust extraction system.
– Start the engine and let it run warm.
S00783-12
– Stop the engine and allow it to cool down.
– When the engine is cool, check the coolant level in the radiator and, if necessary, add
coolant.
–
Remove the cap of the compensating tank

and top up the coolant level up to
the MAXmarking.
– Mount the cap of the compensating tank.
Finishing work
– Fit the front spoiler. ( p. 95)
– Install the left side cover. ( p. 98)

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