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25
400/450/525 2007
IMPORTANT INSPECTIONS OR MAINTENANCE WORK THAT MUST BE PERFORMED BY THE SPECIALIZED KTM WORKSHOP FOR COMPETITIVE
RACING / FOR HOBBY-USE (SEPARATE ORDER FOR SPECIALIZED KTM WORKSHOP)
COMPETITIVE
RACING
A 100 liter fuel consumption is equivalent to approx. 15 operating hours
HOBBY-USE
every 15 hours
100 liter
every 30 hours
200 liter
every 30 hours
200 liter
every 60 hours
400 liter
every 45 hours
300 liter
every 90 hours
600 liter
Check the clutch disks for wear
z z z
Check the length of the clutch springs
z z
Check the cylinder and piston for wear
z
Check the groove on the piston pin retainer for wear (visual check)
z
Check the camshaft for wear (visual check)
z
Replace the camshaft bearings
z
Check the length of the valve springs
z
Check the spring cap for wear
z
Check the eccentricity of the valve disk
z
Check the valve guides for wear
z
Check the radial clearance of the rocker arm rollers
z
Check the elongation of the timing chain
z
Check the chain tensioner tooting for damage (visual check)
z z
Check the eccentricity of the crankshaft journal
z
Replace the conrod bearings
z
Check piston pin bearing
z
Replace the balancer shaft bearings
z
Replace the crankshaft main bearings
z
Check the entire transmission including the roller and bearings for wear
z
Check the length of the bypass valve spring
z
Replace the glass-fiber yarn filling in the silencer
z
Replace the sealing cup for the foot brake cylinder
z
Replace the throttle slide, jet needle and main jet holder (every 210 hours)
NOTE:
If the inspection establishes that permissible tolerances are exceeded, the respective components must be replaced.