KTM 450 SX-F 2019 User Manual

9 SERVICE SCHEDULE
38
Annually
Every 100 operating hours
Every 50 operating hours
Once after 20 operating hours
Once after 10 operating hours
Perform major engine service including removing and installing the engine. (Change
valves, valve springs, valve spring seats, and valve spring retainers. Change the connect-
ing rod, conrod bearing and crank pin. Check the transmission and shift mechanism.
Check the oil pressure control valve. Change the suction pump. Check the force pump
and lubrication system. Change the timing chain. Change all engine bearings. Change
the shaft seal rings and bearing seals of the main bearing.)
●
○ One-time interval
● Periodic interval

KTM 450 SX-F 2019 Specifications

General

Engine Type	Single cylinder, 4-stroke
Displacement	449.9 cc
Bore x Stroke	95 mm x 63.4 mm
Starter	Electric starter
Transmission	5-speed
Fuel System	Keihin EFI, 44 mm throttle body
Cooling	Liquid cooled
Ground Clearance	370 mm
Compression Ratio	12.75:1
Ignition	Keihin EMS
Rear Suspension	WP Shock with Linkage
Front Brake	Single Disc
Rear Brake	Single Disc
Fuel Tank Capacity	7 liters
Seat Height	950 mm
Final Drive	Chain
Front Brake Caliper	Brembo