2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 83Get this manual
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6 If clearance is excessive, measure the journals of the camshaft
Inspecting Camshaft SpringDrive Pin
1 Inspect the spring and drive pin for damage0737-034
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