KTM 250 SX-F Owner's Manual page 16

PERIODIC MAINTENANCE
250/450 SX-F 2007
IMPORTANT CHECKS AND MAINTENANCE TO BE CARRIED OUT BY THE RIDER
Check oil level
Check brake fluid level
Check brake pads for wear
Lubricate and adjust cables and nipples
Bleed fork legs regularly
Remove and clean fork dust bellows regularly
Clean and lubricate chain, check tension and adjust if necessary
Clean air filter and filter box
Check tires for pressure and wear
Check cooling fluid level
Check fuel lines for leaks
Drain and clean float chamber
Check all control elements for smooth operation
Check brake performance
Treat blank metal parts (with the exception of brake and exhaust system)
with wax-based anti corrosion agent
Check tightness of screws, nuts and hose clamps regularly
250/450 SX-F 2007
RECOMMENDED INSPECTIONS OR MAINTENANCE WORK BY THE AUTHORIZED KTM WORKSHOP FOR COMPETITIVE RACING
(ADDITIONAL ORDER FOR THE KTM WORKSHOP)
A 100 liter fuel consumption is equivalent to approx. 15 operating hours
Check the clutch disks for wear
Check the length of the clutch springs
Check the clutch drive for indentations
Check the outer clutch hub for indentations
Check the cylinder and piston for wear (250 SX-F)
Check the cylinder for wear and replace the piston (450 SX-F)
Check the groove on the piston pin retainer for wear (visual check)
Check the camshaft for wear (visual check)
Check the spring cap for wear
Check the eccentricity of the valve disk
Check the valve guides for wear
Replace the valves (250 SX-F)
Replace the valves (450 SX-F)
Replace the valve springs
Check the function of the chain tensioner
Check the eccentricity of the crankshaft journal
Replace the conrod bearings
Check piston pin bearing
Replace the crankshaft main bearings (250 SX-F)
Replace the crankshaft main bearings (450 SX-F)
Check the entire transmission including the roller and bearings for wear
Check the length of the bypass valve spring
Replace the glass-fiber yarn filling in the silencer
Replace the sealing cup for the foot brake cylinder
Replace the throttle slide, jet needle and main jet holder (every 200 hours)
NOTE:
If the inspection establishes that permissible tolerances are exceeded, the respective components must be replaced.
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Before After For cross-
each every country
start cleaning use
every every every
10 20 40
hours hours hours
70 140 270
liter liter liter
at least
once
a year
15
every every
60 80
hours hours
400 540
liter liter