KTM 390 DUKE 2021 User Manual

10 SERVICE SCHEDULE
112
every 48 months
every 12 months
every 30,000 km (18,600 mi)
every 7,500 km (4,650 mi)
after 1,000 km (620 mi)
Check the link fork. ●
Check the swingarm bearing for play. ● ●
Check the wheel bearing for play. ● ●
Check the antifreeze. ○ ● ● ●
Change the coolant. ( p. 202) ●
Empty the drainage hoses. ○ ● ● ● ●
Check all hoses (e.g. fuel, coolant, bleeder, drainage, etc.) and sleeves for cracking,
leaks, and incorrect routing.
○ ● ● ● ●
Grease all moving parts (e.g., side stand, hand lever, chain, ...) and check for smooth
operation.
○ ● ● ● ●
Check the tightness of the safety-relevant screws and nuts which are easily accessi-
ble.
○ ● ● ● ●
○ One-time interval
● Periodic interval

KTM 390 DUKE 2021 Specifications

General

Displacement	373.2 cc
Bore x Stroke	89 mm x 60 mm
Compression Ratio	12.6:1
Torque	37 Nm @ 7, 000 rpm
Transmission	6-speed
Cooling System	Liquid cooled
Frame	Steel trellis frame, powder coated
Rear Suspension	WP APEX Monoshock
Front Tire	110/70 ZR17
Rear Tire	150/60 ZR17
Wheelbase	1, 357 mm
Seat Height	830 mm
Ground Clearance	185 mm
Dry Weight	149 kg
Instrumentation	TFT display
Headlight	LED
Tail Light	LED
Power	32 kW (44 hp) @ 9, 000 rpm
Fuel System	Electronic Fuel Injection
Front Suspension	WP Apex 43 mm
Rear Brake	Single-piston floating caliper, brake disc
ABS	Bosch 9.1MP Two Channel ABS (Supermoto ABS)
Fuel Tank Capacity	13.4 l
Engine Type	Single-cylinder, 4-stroke, liquid-cooled
Front Brake	Four-piston radial fixed caliper, brake disc