SHERCO 250 SEF/R Owner's Manual page 123

250-300 SEF/R
Maintenance schedule (continued)
iMPORTAnT CHeCKS And MAJOR MAinTenAnCe iTeMS
THAT SHOULd Be PeRFORMed BY THe SHeRCO deALeR
Competition use
Recreational user
Check the clutch disc wear
Check the length of the clutch springs
Check that the clutch nut is not loose
Check that the clutch housing is not loose
Check the wear of the cylinder and piston
Replace the piston 300
Check the piston pin and grooves for wear
(a) visually check
Check the camshafts for wear (a) visually check
Check the camshaft buckets for wear
Check the wear of valve guides
Replace the valves
Replace the valve springs
Check operation of chain tensioner guide
Check the run-out at the end of the crankshaft
Check the condition of the connecting rod
Replace the big end bearing
Replace the crankshaft bearings
Check all of the gearbox components for wear
Check the length of the relief valve spring
Replace fiberglass packing in the muffler
Check the length of the camshaft drive chain
Check the camshaft bearings
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At 10H At 20H At 40H
At 20H At 40H
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At 80H
At 80Hh
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