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PERIODIC MAINTENANCE »
RECOMMENDED INSPECTION OF THE 250/400/450/525 EXC ENGINE USED FOR HOBBY - ENDURO COMPETITIONS BY YOUR KTM WORKSHOP
(ADDITIONAL ORDER FOR THE KTM WORKSHOP)
a 100 liter fuel consumption is equivalent to approx. 15 operating hours
30
hours
200
liter
60
hours
400
liter
90
hours
600
liter
120
hours
800
liter
180
hours
1200
liter
240
hours
1600
liter
270
hours
1800
liter
Check the clutch disks for wear
z z z z z z z
Check the length of the clutch springs
z z z z z z
Check the cylinder and piston for wear
z z z
Check the groove on the piston pin retainer for wear (visual check)
z z z
Check the camshaft for wear (visual check)
z z z
Replace the camshaft bearings
z z z
Check the length of the valve springs
z z z
Check the spring cap for wear
z z z
Check the eccentricity of the valve disk
z z z
Check the valve guides for wear
z z z
Check the radial clearance of the rocker arm rollers
z z z
Check the elongation of the timing chain
z z z
Check the chain tensioner tooting for damage (visual check)
z z z z z z
Check the eccentricity of the crankshaft journal
z z z
Replace the conrod bearings
z z z
Check piston pin bearing
z z z
Replace the balancer shaft bearings
z z z
Replace the crankshaft main bearings
z z z
Check the entire transmission including the roller and bearings for wear
z z z
Check the length of the bypass valve spring
z z z
NOTE: IF THE INSPECTION ESTABLISHES THAT PERMISSIBLE TOLERANCES ARE EXCEEDED, THE RESPECTIVE COMPONENTS
MUST BE REPLACED.