KTM 450 SX 2009 Owner's Manual page 64

SERVICE SCHEDULE
Change the valve springs.
x
Check the timing-chain tensioner function.
Check the crankshaft run-out at the bearing pin.
Change the conrod bearing.
Check the seating of the piston pin.
Change the crankshaft main bearing.
Fully check the transmission.
Check the shift mechanism.
Check the spring length of the oil pressure regulator valve.
Change glass fiber yarn filling of main silencer.
Replace foot brake cylinder seals.
Check/set the carburetor components.
S10A: Every 10 service hours - corresponds to about 70 liters of fuel/after every race
S20A: Every 20 service hours - corresponds to about 140 liters of fuel
S40A: Every 40 service hours - corresponds to about 280 liters of fuel
J1A: annually
J2A: every 2 years
x
x
x
x
x
x
x
x
x
x
x
S10A S20A S40A
•
•
•
•
•
•
•
•
•
• • •
• •
•
62
J1A J2A
• •